dougkeenan
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Is that your note, or from the Status Report?
Updates ISS UPDATES
- Thread starter Chipstone306
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Orbinaut Pete
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That's my note. I probably should have specified that!
---------- Post added at 08:33 PM ---------- Previous post was at 12:06 AM ----------
From ISS On-Orbit Status Report for 21/06/2010:
Conjunction Update:
All conjunctions "turned green and went away" without requiring evasive action. Yesterday's late notification conjunction did not require crew retreat to the Soyuz vehicles.
---------- Post added 22nd Jun 2010 at 07:48 PM ---------- Previous post was 21st Jun 2010 at 08:33 PM ----------
From ISS On-Orbit Status Report for 22/06/2010:
Today's scheduled installation of the WORF (Window Observation Research Facility) at the science window in the US Lab represented a major outfitting task for Doug Wheelock & Shannon Walker, requiring about a total of 6 hours 5 minutes of man-hours. [For Part 1, both crewmembers were needed for the major WORF rack installation, such as rack rotation down to install seals, removing SAM (Shutter Actuator Mechanism) cover plus Air Knife cotter pins & launch restraint bolts, installing knee brace, etc. Afterwards, Shannon continued alone with Part 2, installing a lower restraint & bumpshield, adjusting SAM & Air Knife, wrapping up with post-maintenance, etc.
Background: WORF, which surrounds the 20-inch Lab science window, serves for attaching sensors (cameras, multispectral scanners, and other instruments). It provides attachment points and power & data transfer capability for instruments to be mounted in the window. Multiple instruments can be mounted at the same time. The rack is designed to allow rapid changes of equipment by the crew. WORF has a bracket for small cameras such as 35mm, 70mm and camcorders. Larger payloads requiring nonstandard attachment or additional instrument isolation must supply their own brackets or platforms which mount to the WORF using available attachment points. WORF also provides protection for the interior of the Lab window and can control stray light exchange between the Lab interior and the external station environment.]
---------- Post added at 08:31 PM ---------- Previous post was at 07:48 PM ----------
Just as a note for all of you who miss Soichi Noguchi's beautiful photos, Doug Wheelock is now sending some real nice "TwitPics" from the ISS via his Twitter account!
Orbinaut Pete
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From ISS On-Orbit Status Report for 23/06/2010:
FE-2 Tracy Caldwell-Dyson had ~30 minutes set aside for US cargo transfers from Soyuz TMA-19/23S, unpacking & stowing items aboard ISS, going by an uplinked Cargo Unpack list. [US equipment items delivered on 23S include a new eBox (electronics box) for the KUBIK-3, a medical accessory kit, prescription eyewear, ear plug sets (Etymotics & Prophonics), EMU gloves, LED headlamp, book clip & crew preference bag.]
FE-6 Shannon Walker wrapped up the Lab science window outfitting with WORF (Window Observation Research Facility) started by Doug Wheelock & herself yesterday, today connecting remaining umbilicals and installing a T61p laptop on the WORF Rack, finishing up with a 5 minute checkup by the ground via S-band.
Afterwards, Tracy reinstalled the CEVIS cycle ergometer exercise machine in the Lab, which had been moved out of the way yesterday for the WORF outfitting.
Wheelock, Walker & Caldwell-Dyson had ~10 minutes set aside to familiarize themselves with procedures associated with CQ (Crew Quarters) QD (Quick Disconnect) drag-through operations in the JPM (Japanese Pressurised Module). [With Shannon’s CQ located in JPM but connected to Node 2, there is a jumper "hatch drag-through" requiring a special waiver which now allows for the continued use of the drag-through until the end of the ULF-4 stage (currently Sept. 2010).]
High Beta Angle Power Restrictions:
Due to the current high solar Beta angle regime (ISS is always in sunlight), the SARJ (Solar Alpha Rotary Joint) for the portside array wing was feathered this morning for thermal reasons, turning the solar panels away from the sun and thus reducing the output of the photovoltaic cells. The reduced power requires carefully orchestrated power management by the ISS partners within assigned levels of an agreed-upon powerdown plan for onboard systems, which started this morning and runs through 29/06. Special events such as the Soyuz TMA-19/23S thruster test, 23S relocation & Progress M-06M/38P docking may require additional powerdown considerations.
CEO (Crew Earth Observation):
Over the next week or so there will be fewer CEO targets in the target list. This is due to the crew's daylight/awake orbits paralleling the terminator. This phenomenon occurs at least twice a year, sometimes more – during the high-Beta angle period. During this time the sun elevations for nadir targets will be too low to meet requirements for many, but not all, of the targets. The crew sees darkness if they look to the left of the orbit tracks; to the right they see sunlight. This typically lasts for about a week before sun angles improve for CEO nadir targets. For the station, high Beta also means critically increased solar thermal input.
Epsilon Aurigae Eclipse Observation:
ISS is participating in a significant astronomical observation program just getting underway, followed by thousands of amateur & professional astronomers: the Epsilon Aurigae Eclipse. A specific star in the Constellation Auriga (Charioteer) called Epsilon Aurigae undergoes an eclipse (being occulted) every 27.1 years. This has puzzled astronomers for nearly 200 years. The eclipse lasts nearly two years which, with the 27.1 year period, means the eclipsing body must be gigantic. There may be a temporary brightening at mid-eclipse. There have been no satisfactory explanations to date for this. Is it a giant cloud of gas with a doughnut-like hole, permitting the star to brighten during mid-eclipse? The Sun's proximity to Epsilon Aurigae, as seen from the ground, prevents observations by ground-based astronomers during mid-eclipse, but astronauts on the ISS, having a different aspect angle, can observe and note changes in relative brightness, as suggested by the AAVSO (American Association of Variable Star Observers) following a talk by NASA Astronaut John Grunsfeld. The method used by the crew is to compare the brightness of Epsilon Aurigae weekly with three other nearby stars of known & unchanging brightness.
FE-2 Tracy Caldwell-Dyson had ~30 minutes set aside for US cargo transfers from Soyuz TMA-19/23S, unpacking & stowing items aboard ISS, going by an uplinked Cargo Unpack list. [US equipment items delivered on 23S include a new eBox (electronics box) for the KUBIK-3, a medical accessory kit, prescription eyewear, ear plug sets (Etymotics & Prophonics), EMU gloves, LED headlamp, book clip & crew preference bag.]
FE-6 Shannon Walker wrapped up the Lab science window outfitting with WORF (Window Observation Research Facility) started by Doug Wheelock & herself yesterday, today connecting remaining umbilicals and installing a T61p laptop on the WORF Rack, finishing up with a 5 minute checkup by the ground via S-band.
Afterwards, Tracy reinstalled the CEVIS cycle ergometer exercise machine in the Lab, which had been moved out of the way yesterday for the WORF outfitting.
Wheelock, Walker & Caldwell-Dyson had ~10 minutes set aside to familiarize themselves with procedures associated with CQ (Crew Quarters) QD (Quick Disconnect) drag-through operations in the JPM (Japanese Pressurised Module). [With Shannon’s CQ located in JPM but connected to Node 2, there is a jumper "hatch drag-through" requiring a special waiver which now allows for the continued use of the drag-through until the end of the ULF-4 stage (currently Sept. 2010).]
High Beta Angle Power Restrictions:
Due to the current high solar Beta angle regime (ISS is always in sunlight), the SARJ (Solar Alpha Rotary Joint) for the portside array wing was feathered this morning for thermal reasons, turning the solar panels away from the sun and thus reducing the output of the photovoltaic cells. The reduced power requires carefully orchestrated power management by the ISS partners within assigned levels of an agreed-upon powerdown plan for onboard systems, which started this morning and runs through 29/06. Special events such as the Soyuz TMA-19/23S thruster test, 23S relocation & Progress M-06M/38P docking may require additional powerdown considerations.
CEO (Crew Earth Observation):
Over the next week or so there will be fewer CEO targets in the target list. This is due to the crew's daylight/awake orbits paralleling the terminator. This phenomenon occurs at least twice a year, sometimes more – during the high-Beta angle period. During this time the sun elevations for nadir targets will be too low to meet requirements for many, but not all, of the targets. The crew sees darkness if they look to the left of the orbit tracks; to the right they see sunlight. This typically lasts for about a week before sun angles improve for CEO nadir targets. For the station, high Beta also means critically increased solar thermal input.
Epsilon Aurigae Eclipse Observation:
ISS is participating in a significant astronomical observation program just getting underway, followed by thousands of amateur & professional astronomers: the Epsilon Aurigae Eclipse. A specific star in the Constellation Auriga (Charioteer) called Epsilon Aurigae undergoes an eclipse (being occulted) every 27.1 years. This has puzzled astronomers for nearly 200 years. The eclipse lasts nearly two years which, with the 27.1 year period, means the eclipsing body must be gigantic. There may be a temporary brightening at mid-eclipse. There have been no satisfactory explanations to date for this. Is it a giant cloud of gas with a doughnut-like hole, permitting the star to brighten during mid-eclipse? The Sun's proximity to Epsilon Aurigae, as seen from the ground, prevents observations by ground-based astronomers during mid-eclipse, but astronauts on the ISS, having a different aspect angle, can observe and note changes in relative brightness, as suggested by the AAVSO (American Association of Variable Star Observers) following a talk by NASA Astronaut John Grunsfeld. The method used by the crew is to compare the brightness of Epsilon Aurigae weekly with three other nearby stars of known & unchanging brightness.
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Orbinaut Pete
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From ISS On-Orbit Status Report for 24/06/2010:
FE-6 Walker's activities today focused mostly on the T2 advanced treadmill machine, first working her way through a procedure to troubleshoot the T2's wireless connectivity issue which has prevented wireless transfer of prescription files from an SSC (Station Support Computer) to the T2 display. [After swapping the WAP (Wireless Access Point) card and Pacebook wireless cards in the T2 display, Shannon manually transferred the T2 prescription files from the SSC. Afterwards, FE-6 was to relabel the T2 MTL (Moderate Temperature Loop) umbilical panel and jumpers, followed by verifying resolution settings on the T2 display necessary for a properly calibrated touchscreen.]
In Node 3 at the Aft 4 location (NOD3A4), Wheels worked on the ARS (Atmosphere Revitalization System) rack to determine why a ground strap could not be installed on the rack and to correct the situation. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
Soyuz TMA-19/23S Relocation:
The scheduled 23S relocation on 28/06 from the SM Aft port to the new MRM-1 will require a change in the attitude plan for ISS during the transfer, due to the high-Beta period. Load and LS (Longeron Shadowing) considerations make it necessary to keep ISS in earth-fixed LVLH (Local Vertical/Local Horizontal) attitude instead of the usual "space-fixed" Inertial mode. This means, that the station will continue to slowly torque at orbit rate with its "belly" kept downward in "Local Vertical", i.e. toward Earth. This requires a change in Soyuz relocation maneuvering which has been worked by MCC-Houston with TsUP-Moscow. The LVLH solution is fully supported by engineering analyses and is acceptable to all. Soyuz CDR Yurchikhin has been trained in both Inertial and LVLH attitudes, and the Relocation OBT (Onboard Training) drill scheduled tomorrow will accommodate this change. The Go/No-Go review will be held afterwards.
---------- Post added at 10:48 PM ---------- Previous post was at 10:43 PM ----------
Shannon Walker's first blog entry from the ISS: "There is a terrific bang and jerk and just like that, you are in space".
SpaceRef: "Space Station Keeps Watch on World's Sea Traffic".
FE-6 Walker's activities today focused mostly on the T2 advanced treadmill machine, first working her way through a procedure to troubleshoot the T2's wireless connectivity issue which has prevented wireless transfer of prescription files from an SSC (Station Support Computer) to the T2 display. [After swapping the WAP (Wireless Access Point) card and Pacebook wireless cards in the T2 display, Shannon manually transferred the T2 prescription files from the SSC. Afterwards, FE-6 was to relabel the T2 MTL (Moderate Temperature Loop) umbilical panel and jumpers, followed by verifying resolution settings on the T2 display necessary for a properly calibrated touchscreen.]
In Node 3 at the Aft 4 location (NOD3A4), Wheels worked on the ARS (Atmosphere Revitalization System) rack to determine why a ground strap could not be installed on the rack and to correct the situation. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
Soyuz TMA-19/23S Relocation:
The scheduled 23S relocation on 28/06 from the SM Aft port to the new MRM-1 will require a change in the attitude plan for ISS during the transfer, due to the high-Beta period. Load and LS (Longeron Shadowing) considerations make it necessary to keep ISS in earth-fixed LVLH (Local Vertical/Local Horizontal) attitude instead of the usual "space-fixed" Inertial mode. This means, that the station will continue to slowly torque at orbit rate with its "belly" kept downward in "Local Vertical", i.e. toward Earth. This requires a change in Soyuz relocation maneuvering which has been worked by MCC-Houston with TsUP-Moscow. The LVLH solution is fully supported by engineering analyses and is acceptable to all. Soyuz CDR Yurchikhin has been trained in both Inertial and LVLH attitudes, and the Relocation OBT (Onboard Training) drill scheduled tomorrow will accommodate this change. The Go/No-Go review will be held afterwards.
---------- Post added at 10:48 PM ---------- Previous post was at 10:43 PM ----------
Shannon Walker's first blog entry from the ISS: "There is a terrific bang and jerk and just like that, you are in space".
SpaceRef: "Space Station Keeps Watch on World's Sea Traffic".
tblaxland
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Orbinaut Pete
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Yes, these reports aren't known for their factual correctness. I spot pretty major errors in them on a regular basis. I don't know who writes them, but it's pretty clear that they have very little understanding of the ISS.
Take this paragraph from 03/06/2010 as an example:
I don't know how can you write these reports and not know basic things like where modules are berthed! :OMG:
---------- Post added at 10:28 PM ---------- Previous post was at 02:23 PM ----------
From ISS On-Orbit Status Report for 25/06/2010:
FE-2 Tracy Caldwell-Dyson did more troubleshooting of the T2 COLBERT treadmill which yesterday exhibited a "rubbing" noise during its unmanned ACO (Activation & Checkout) speed characterization test, caused by the tread belt contacting one of the 4 closeout panels. After Tracy readjusted closeout panels today and conducted a second unmanned ACO, the clicking noise was gone. The crew is GO for T2 exercise.
FE-5 Yurchikhin, FE-4 Wheelock & FE-6 Walker, who will fly the Soyuz TMA-19/23S spacecraft relocation next Monday (28/06), went ("very successfully") through a 3 hour rehearsal of the flight in a formal training drill comprising a procedures review, flight data review, tag-up with ground instructor and onboard simulator training on the RSK1 laptop. [Due to the currently very high solar Beta angle period with its increased thermal loads on the station, the standard relocation maneuver profile/template was changed for the new Beta-caused ISS attitude mode. The latter will be "earth-fixed" LVLH (Local Vertical/Local Horizontal) attitude instead of the usual "space-fixed" Inertial mode, i.e., with the ISS continuing to pitch down in orbit rate (~4 deg/minute) to remain "locally horizontal". For the docking, 23S will have to match the station's very slow pitch-down rotation. Mission events will be tied to RGS (Russian Groundsite) comm windows. Soyuz activation on 28/06 is scheduled on DO13 (Daily Orbit 13, ~11:45 AM GMT), followed by hatch closure on DO14 (1:20 PM GMT) and manual undocking command on DO2 (5:55 PM GMT). Physical separation from the SM Aft port occurs at ~5:58 PM GMT with a pushrod delta-V of ~0.12 m/s, in sunshine. Flyaround to the MRM-1 Nadir port, starting at ~6:05 PM GMT, will be at a range of 30-50m from the station, ending at station-keeping (~6:15 PM GMT). Final approach begins at ~6:19 PM GMT, concluding with contact & capture at ~6:23 PM GMT. Orbital sunset is at 6:29 PM GMT.]
Later, after Wheels had closed the protective shutters of the JPM, Lab and Cupola windows, Fyodor Yurchikhin spent an hour in the Soyuz TMA-19 Descent Module (SA) supporting a ground-commanded checkout of the MCS (Motion Control System) SUD, Mode 2/"Docked" for Monday’s spacecraft relocation. The checkout involved pressurization of the KDU (Combined Propulsion System) Section 2 & Tank 2, a test of the pilot's translational hand controller (RUD), and a 1 minute hot firing of the DPO braking thrusters (4:57 PM GMT to 4:58 PM GMT), for which the ISS was put in free drift for ~25 minute DPO lateral thrusters were not fired. The Soyuz GA (Gas Analyzer) was left on until after the relocation. The thruster firing required several additional temporary powerdowns, e.g., some DDCUs (DC to DC Converter Units), Node 3 shell heaters & two ARCUs (American to Russian Converter Units). [For the PRST (perestykovkoi/redocking) test, station attitude control authority was handed over to Russian thruster control at 4:48 PM GMT, then back to LVLH XVV (X-axis in Velocity Vector) attitude. The 1 minute firing took place on DO3 during an RGS pass via VHF. Attitude control was returned to the USOS (United States On-orbit Segment) at 6:10 PM GMT.]
CEO photo targets uplinked for today were Epsilon Aurigae & Comet NcNaught (looking left of track, above the limb of the Earth, to observe the brightness of this star as compared to other stars in the Auriga constellation, as described above. Because of the current seasonal lighting conditions during the northern portion of each of the station's orbits, the crew has several roughly 40 minute periods today to view the star. The times of the periods were uplinked for the mid-way point for viewing during two selected periods).
---------- Post added 26th Jun 2010 at 07:46 PM ---------- Previous post was 25th Jun 2010 at 10:28 PM ----------
From ISS On-Orbit Status Report for 26/06/2010:
Ku Band Outage:
In the current high Beta angle environment (left side of orbit track always in darkness), the backside of the Ku antenna gets too cold if not kept turned sunward until temperatures return to normal. While so "parked", Ku band is lost.
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Orbinaut Pete
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From ISS On-Orbit Status Report for 28/06/2010:
Terminal Computing Device (TVU) Issue:
TsUP/Energia-Moscow reported on work completed on the TVU Terminal Computing Device (installed in the SM in February this year), using a new software patch to get TVU2 100% operational and assure its full capability. Recovery efforts on TVU1 have not been successful to date.
Elektron Issue:
After a planned shutdown of the Elektron O2 generator last Friday to allow other electronics maintenance on board, the system could not be restarted. Activities to analyze this failure have been delayed until tomorrow due to the Soyuz TMA-19/23S relocation today.
---------- Post added 29th Jun 2010 at 12:01 AM ---------- Previous post was 28th Jun 2010 at 10:35 PM ----------
NASASpaceFlight: "ISS managers discuss Node 4 addition".
Woo-Hoo, Node 4!!! :speakcool: :woohoo:
And maybe even a Cupola relocation?!
---------- Post added at 10:05 PM ---------- Previous post was at 12:01 AM ----------
From ISS On-Orbit Status Report for 29/06/2010:
During her work day, FE-2 Tracy Caldwell-Dyson supported a ground-controlled checkout of the SSRMS (Space Station Remote Manipulator System) Hot Backup mode in the Lab. [This was to test a new software solution to the arm's joint problems that prevented full Hot Backup functionality for the HTV-1 berthing in September last year. Tracy first connected the UOP (Utility Outlet Panel) DCP (Display & Control Panel) power bypass cable at the Cupola RWS (Robotic Workstation), then threw switches between "Main" and "Backup" at both RWSs (CUP & Lab), altogether four switch throws (for two steps executed twice) during the day in order to gather multiple data points. Afterwards, she took down the bypass cable again.]
Fyodor Yurchikhin performed maintenance on the Elektron O2 (Oxygen) generator which had failed to restart after being deactivated last Friday. [With the old Elektron nemesis, gas bubbles, suspected blocking the system, Fyodor tested the BZh-009 Liquid Unit's main & backup circulation pumps, then activated Elektron in 50 Amp mode for checking pump pressure sensors and removing gas bubbles by operating valves from the Elektron control panel. By running the system in 50 Amp mode, it was hoped that the higher amperage will force the bubbles through the pump.]
Post-Soyuz TMA-19/23S Relocation Assessment:
Yesterday's 4B SAW (Solar Array Wing) anomaly unexpectedly set off a large amount of hard, real-time work on the ground. Teams were able to accomplish the load in truly outstanding fashion, thanks to having built data tables for cases of degraded solar arrays ahead of time which allowed pressing on. ISS was in free drift for about 3 hours, without any power problems. When the 4B array went out of position by as much as 200°, it was recovered in time to complete the Soyuz relocation. It appears that due to a disturbance (possibly inadvertent impingement from a thruster), the 4B array turned, which the software erroneously interpreted as a motor trip. Due an earlier corrective OFF/ON command to the motor (when the array "dithered" around the commanded set angle), the BGA (Beta Gimbal Assembly) firmware had switched to "manual free control" mode, in which the motor does not control which way the SAW is pointing. Procedures are being updated to prevent a reoccurrence.
During relocation with ISS in "earth-fixed" LVLH (Local Vertical/Local Horizontal) mode, three arrays (4A, 4B, 2A) entered into the critical LS (Longeron Shadowing) condition. With Progress M-06M/38P arrival ahead, this condition needs to be reconstructed quickly, to determine the thermal impact on the arrays. Until the arrays are cleared, the Port & Starboard SARJ (Solar Alpha Rotary Joints) are limited to Autotrack with no desaturations (by thrusters). When the LS analysis is complete for the three arrays and the impact of LS to the arrays determined to be acceptable, desats will be re-enabled. Reconstruction is underway. Also, specialists are now discussing whether vehicle dockings should be allowed at all in the future under such high Beta angles.
Conjunction Alert:
NASA FCT (Flight Control Team) is working a conjunction of the ISS with an H-2A rocket body (Object 30588). TCA (Time of Closest Approach) is 02/07 (Friday) morning at 2:04 AM GMT. Until the current ISS orbit, after the 23S disturbances, has been tracked more precisely, the conjunction is currently classified as of medium concern.
---------- Post added 30th Jun 2010 at 08:48 PM ---------- Previous post was 29th Jun 2010 at 10:05 PM ----------
From ISS On-Orbit Status Report for 30/06/2010:
Progress M-06M/38P was launched on time today at 3:35 PM GMT. Ascent was nominal, and all spacecraft systems are without issues. 38P carries 2230 kg (4916 lbs) of cargo, specifically: 870 kg (1918 lbs) propellants, 50 kg (110 lbs) oxygen & air, 100 kg (220 lbs) water and 1210 kg (2667 lbs) spare parts & experiment hardware.
FE-5 Fyodor Yurchikhin set up the NIKON cameras at the DC-1 EVA hatch 1 window to take pictures of the MLI (Multi Layer Insulation) material on the Soyuz TMA-19 SA (Descent Module) and PkhO (Transfer Compartment). [To assess MLI condition, both full and close-up views were taken, looking for anomalies where SA MLI blankets are fastened with spring clips and PkhO MLI contains vents.]
In Node 3 at location Aft 4 (NOD3A4), Doug Wheelock returned to the ARS (Atmosphere Revitalization System) rack to complete the repair started on 24/06 of a ground strap that could not be installed on the rack. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
FE-6 Shannon Walker is scheduled to spend some time on a careful video inspection of the T2 COLBERT treadmill and its VIS (Vibration Isolation System). [After the crew's inadvertent unisolated exercise on the T2 (i.e., exercise with three of four snubber alignment guides left installed), the treadmill was declared NO GO until engineering specialists can review Shannon's inspection data and rule out hardware damage.]
Conjunction Alert:
NASA FCT (Flight Control Team) continues to work a conjunction of the ISS with an H-2A rocket body (Object 30588). The TCA (Time of Closest Approach) is Friday (02/07) morning at 2:04 AM GMT. A ballistic update is expected later tonight. As of now, the conjunction is still classified as of moderate concern.
Terminal Computing Device (TVU) Issue:
TsUP/Energia-Moscow reported on work completed on the TVU Terminal Computing Device (installed in the SM in February this year), using a new software patch to get TVU2 100% operational and assure its full capability. Recovery efforts on TVU1 have not been successful to date.
Elektron Issue:
After a planned shutdown of the Elektron O2 generator last Friday to allow other electronics maintenance on board, the system could not be restarted. Activities to analyze this failure have been delayed until tomorrow due to the Soyuz TMA-19/23S relocation today.
---------- Post added 29th Jun 2010 at 12:01 AM ---------- Previous post was 28th Jun 2010 at 10:35 PM ----------
NASASpaceFlight: "ISS managers discuss Node 4 addition".
Woo-Hoo, Node 4!!! :speakcool: :woohoo:
And maybe even a Cupola relocation?!
---------- Post added at 10:05 PM ---------- Previous post was at 12:01 AM ----------
From ISS On-Orbit Status Report for 29/06/2010:
During her work day, FE-2 Tracy Caldwell-Dyson supported a ground-controlled checkout of the SSRMS (Space Station Remote Manipulator System) Hot Backup mode in the Lab. [This was to test a new software solution to the arm's joint problems that prevented full Hot Backup functionality for the HTV-1 berthing in September last year. Tracy first connected the UOP (Utility Outlet Panel) DCP (Display & Control Panel) power bypass cable at the Cupola RWS (Robotic Workstation), then threw switches between "Main" and "Backup" at both RWSs (CUP & Lab), altogether four switch throws (for two steps executed twice) during the day in order to gather multiple data points. Afterwards, she took down the bypass cable again.]
Fyodor Yurchikhin performed maintenance on the Elektron O2 (Oxygen) generator which had failed to restart after being deactivated last Friday. [With the old Elektron nemesis, gas bubbles, suspected blocking the system, Fyodor tested the BZh-009 Liquid Unit's main & backup circulation pumps, then activated Elektron in 50 Amp mode for checking pump pressure sensors and removing gas bubbles by operating valves from the Elektron control panel. By running the system in 50 Amp mode, it was hoped that the higher amperage will force the bubbles through the pump.]
Post-Soyuz TMA-19/23S Relocation Assessment:
Yesterday's 4B SAW (Solar Array Wing) anomaly unexpectedly set off a large amount of hard, real-time work on the ground. Teams were able to accomplish the load in truly outstanding fashion, thanks to having built data tables for cases of degraded solar arrays ahead of time which allowed pressing on. ISS was in free drift for about 3 hours, without any power problems. When the 4B array went out of position by as much as 200°, it was recovered in time to complete the Soyuz relocation. It appears that due to a disturbance (possibly inadvertent impingement from a thruster), the 4B array turned, which the software erroneously interpreted as a motor trip. Due an earlier corrective OFF/ON command to the motor (when the array "dithered" around the commanded set angle), the BGA (Beta Gimbal Assembly) firmware had switched to "manual free control" mode, in which the motor does not control which way the SAW is pointing. Procedures are being updated to prevent a reoccurrence.
During relocation with ISS in "earth-fixed" LVLH (Local Vertical/Local Horizontal) mode, three arrays (4A, 4B, 2A) entered into the critical LS (Longeron Shadowing) condition. With Progress M-06M/38P arrival ahead, this condition needs to be reconstructed quickly, to determine the thermal impact on the arrays. Until the arrays are cleared, the Port & Starboard SARJ (Solar Alpha Rotary Joints) are limited to Autotrack with no desaturations (by thrusters). When the LS analysis is complete for the three arrays and the impact of LS to the arrays determined to be acceptable, desats will be re-enabled. Reconstruction is underway. Also, specialists are now discussing whether vehicle dockings should be allowed at all in the future under such high Beta angles.
Conjunction Alert:
NASA FCT (Flight Control Team) is working a conjunction of the ISS with an H-2A rocket body (Object 30588). TCA (Time of Closest Approach) is 02/07 (Friday) morning at 2:04 AM GMT. Until the current ISS orbit, after the 23S disturbances, has been tracked more precisely, the conjunction is currently classified as of medium concern.
---------- Post added 30th Jun 2010 at 08:48 PM ---------- Previous post was 29th Jun 2010 at 10:05 PM ----------
From ISS On-Orbit Status Report for 30/06/2010:
Progress M-06M/38P was launched on time today at 3:35 PM GMT. Ascent was nominal, and all spacecraft systems are without issues. 38P carries 2230 kg (4916 lbs) of cargo, specifically: 870 kg (1918 lbs) propellants, 50 kg (110 lbs) oxygen & air, 100 kg (220 lbs) water and 1210 kg (2667 lbs) spare parts & experiment hardware.
FE-5 Fyodor Yurchikhin set up the NIKON cameras at the DC-1 EVA hatch 1 window to take pictures of the MLI (Multi Layer Insulation) material on the Soyuz TMA-19 SA (Descent Module) and PkhO (Transfer Compartment). [To assess MLI condition, both full and close-up views were taken, looking for anomalies where SA MLI blankets are fastened with spring clips and PkhO MLI contains vents.]
In Node 3 at location Aft 4 (NOD3A4), Doug Wheelock returned to the ARS (Atmosphere Revitalization System) rack to complete the repair started on 24/06 of a ground strap that could not be installed on the rack. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
FE-6 Shannon Walker is scheduled to spend some time on a careful video inspection of the T2 COLBERT treadmill and its VIS (Vibration Isolation System). [After the crew's inadvertent unisolated exercise on the T2 (i.e., exercise with three of four snubber alignment guides left installed), the treadmill was declared NO GO until engineering specialists can review Shannon's inspection data and rule out hardware damage.]
Conjunction Alert:
NASA FCT (Flight Control Team) continues to work a conjunction of the ISS with an H-2A rocket body (Object 30588). The TCA (Time of Closest Approach) is Friday (02/07) morning at 2:04 AM GMT. A ballistic update is expected later tonight. As of now, the conjunction is still classified as of moderate concern.
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hribek
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Is there a reasonable way to update current position of ISS using the scenario editor?
I've been trying and searching for hours, still not quite getting it to match realtime data from NASA TV (accounting for buffering etc.) or the heavens-above.com current ISS position image. The crown jewel of proper alignment is if the visible passes, distances and angles match within a second or two. I did that once in the past, but the tuning was rather dirty.
I've been trying and searching for hours, still not quite getting it to match realtime data from NASA TV (accounting for buffering etc.) or the heavens-above.com current ISS position image. The crown jewel of proper alignment is if the visible passes, distances and angles match within a second or two. I did that once in the past, but the tuning was rather dirty.
tblaxland
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I normally use this site for getting current/near future two line elements: http://spaceflight.nasa.gov/realdata/sightings/SSapplications/Post/JavaSSOP/orbit/ISS/SVPOST.html. In the past I've used [ame="http://www.orbithangar.com/searchid.php?ID=2617"]Scenario Editor TLE[/ame] to import them. I've found it to be quite accurate but I'd be interested to know how you go with it since I've not done that procedure for a while.
SiberianTiger
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forgive me! :hail:
hribek
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Well the eq_to_ecl.exe that I retrieved from AVSIM seems to be doing a great job, because you get one line with thich you replace the RPOS RVEL entries in the scenario. What's awesome, squared, is that it doesn't look like you need to make the scenario date match the epoch, allowing you to update ISS position whenever you need, or have a whole fleet of real satellites in a simulation and update only some of them.
So probably the best way to do this is to create a scenario with current date (or something within a week or so from the current date if you want to have accurate positions), get the TLEs from a page that is easily readable, like here:
http://heavens-above.com/orbit.aspx?satid=25544
and save those into a file, run (or download from here and then run)
eq_to_ecl.exe filewithTLEs.txt > out.txt
open out.txt, and copypaste the ELEMENTS line into your scenario, removing RPOS RVEL.
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Orbinaut Pete
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From ISS On-Orbit Status Report for 01/07/2010:
Conjunction Update:
Improved orbit determination of the ISS after the Soyuz TMA-19/23S relocation perturbations, coupled with continued tracking updates on the H-2A rocket body (Object 30588) has shown that this conjunction is of no longer of any concern.
SAW Update:
Engineering teams have completed the reconstruction of the loading events that occurred on the 4A, 4B & 2A SAWs (Solar Array Wings) during the 23S relocation, which created thermal loads from longeron shadowing and structural loads from the thruster firings. Analysis shows that loads from both sources were within limits. Any post-event constraints have been lifted and CMG (Control Moment Gyroscope) desaturations have been re-enabled.
Elektron Update:
As reported before, the Elektron O2 (Oxygen) generator failed to the backup pump within two minutes after the crew switched Elektron to 50 Amps, followed by failure of the backup pump shortly thereafter. The crew then performed additional troubleshooting to flush the BE buffer tank using the BPA N2 (Nitrogen) tank. The Elektron successfully started up on the backup pump.
Conjunction Update:
Improved orbit determination of the ISS after the Soyuz TMA-19/23S relocation perturbations, coupled with continued tracking updates on the H-2A rocket body (Object 30588) has shown that this conjunction is of no longer of any concern.
SAW Update:
Engineering teams have completed the reconstruction of the loading events that occurred on the 4A, 4B & 2A SAWs (Solar Array Wings) during the 23S relocation, which created thermal loads from longeron shadowing and structural loads from the thruster firings. Analysis shows that loads from both sources were within limits. Any post-event constraints have been lifted and CMG (Control Moment Gyroscope) desaturations have been re-enabled.
Elektron Update:
As reported before, the Elektron O2 (Oxygen) generator failed to the backup pump within two minutes after the crew switched Elektron to 50 Amps, followed by failure of the backup pump shortly thereafter. The crew then performed additional troubleshooting to flush the BE buffer tank using the BPA N2 (Nitrogen) tank. The Elektron successfully started up on the backup pump.
tblaxland
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The only problem with that method is that Orbiter will do a Keplerian propagation of the orbital elements from the element's epoch to the scenario date. That is less accurate than the SGP4 propagation that Scenario Editor TLE will do, especially as the difference between element's epoch and scenario date increases. That is also why I tend to use the page I linked because, for the near future, you can get element sets that have an epoch with about 24 hours of the scenario you are creating. For historical element sets, I recommend Celestrak.
Orbinaut Pete
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From ISS On-Orbit Status Report for 02/07/2010:
In Node 3 at location Aft 4 (NOD3A4), FE-2 Tracy Caldwell-Dyson worked on the installation of the grounding strap at the ARS (Atmosphere Revitalization System) rack, deferred from an earlier date, that originally couldn't be connected on the rack. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
Also in Node 3, Caldwell-Dyson was scheduled to service the US OGA (Oxygen Generation Assembly) in the OGS (Oxygen Generator System) rack at location Aft 5 (NOD3A5) by removing & replacing its H2 (Hydrogen) sensor ORU (Orbit Replacement Unit). Later, on MCC-H GO, Tracy will complete connecting the sensor for OGS rack activation.
When FE-6 Shannon Walker has finished exercising on the CEVIS (Cycle Ergometer with Vibration Isolation System) in the Lab, Caldwell-Dyson will disconnect & remove the cycle temporarily (to gain work space) and then continue the outfitting of the WORF (Window Observational Research Facility) rack at the science window, mating still disconnected umbilicals. Afterwards, the cycle will be re-installed.
Progress Docking Abort:
Docking of Progress M-06M/38P was aborted about 20 minutes before its scheduled linkup with ISS at 4:58 PM GMT due to loss of radio lock between KURS-P (KURS-Passive) on the SM (Service Module) and KURS-A (KURS-Active) on Progress. The cargo drone passed by ISS at a safe distance and continues to be in its safe fly-by mode, circling Earth along with ISS every 92 minutes. Docking will not be re-attempted today. ISS systems are being reconfigured back to nominal stage operations configuration. Evaluations are underway for subsequent docking attempts.
T2 Treadmill Update:
Final consensus at the third technical evaluation meeting on the T2 Unisolated Exercise investigation was that T2 is GO for the crew, with the constraint that inspections are required between exercise sessions.
In Node 3 at location Aft 4 (NOD3A4), FE-2 Tracy Caldwell-Dyson worked on the installation of the grounding strap at the ARS (Atmosphere Revitalization System) rack, deferred from an earlier date, that originally couldn't be connected on the rack. [After rack rotation away from the shell wall, the hardware was to be repaired or replaced as required. Afterwards, the grounding strap was to be left disconnected pending the planned relocation of the ARS rack to the US Lab.]
Also in Node 3, Caldwell-Dyson was scheduled to service the US OGA (Oxygen Generation Assembly) in the OGS (Oxygen Generator System) rack at location Aft 5 (NOD3A5) by removing & replacing its H2 (Hydrogen) sensor ORU (Orbit Replacement Unit). Later, on MCC-H GO, Tracy will complete connecting the sensor for OGS rack activation.
When FE-6 Shannon Walker has finished exercising on the CEVIS (Cycle Ergometer with Vibration Isolation System) in the Lab, Caldwell-Dyson will disconnect & remove the cycle temporarily (to gain work space) and then continue the outfitting of the WORF (Window Observational Research Facility) rack at the science window, mating still disconnected umbilicals. Afterwards, the cycle will be re-installed.
Progress Docking Abort:
Docking of Progress M-06M/38P was aborted about 20 minutes before its scheduled linkup with ISS at 4:58 PM GMT due to loss of radio lock between KURS-P (KURS-Passive) on the SM (Service Module) and KURS-A (KURS-Active) on Progress. The cargo drone passed by ISS at a safe distance and continues to be in its safe fly-by mode, circling Earth along with ISS every 92 minutes. Docking will not be re-attempted today. ISS systems are being reconfigured back to nominal stage operations configuration. Evaluations are underway for subsequent docking attempts.
T2 Treadmill Update:
Final consensus at the third technical evaluation meeting on the T2 Unisolated Exercise investigation was that T2 is GO for the crew, with the constraint that inspections are required between exercise sessions.
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Orbinaut Pete
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Happy 4th of July from Doug Wheelock via Twitter!
The caption reads:
The caption reads:
The medal belongs to Vietnam hero Lester Stone, who was killed in combat. Wheels took the medal into space with him.
The caption reads:
The caption reads:
The medal belongs to Vietnam hero Lester Stone, who was killed in combat. Wheels took the medal into space with him.
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Orbinaut Pete
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From ISS On-Orbit Status Report for 04/07/2010:
Conjunction Advisory:
NASA FCT (Flight Control Team) is following a conjunction of the ISS with a piece of orbital debris (Object 31822). The TCA (Time of Closest Approach) is Tuesday 07/06 at 6:18 PM GMT. Until the current ISS orbit has been tracked more precisely, the conjunction is currently classified as a low risk, and no action is necessary at this time.
---------- Post added 5th Jul 2010 at 04:22 PM ---------- Previous post was 4th Jul 2010 at 08:37 PM ----------
---------- Post added at 07:15 PM ---------- Previous post was at 04:22 PM ----------
From ISS On-Orbit Status Report for 05/07/2010:
FE-3 Mikhail Kornienko offloaded water from the newly arrived Progress M-06M/38P to Progress M-05M/37P. [After setting up the transfer system with hoses & compressor, Mikhail started the pump to transfer water from the BV1 Rodnik tank of 38P (#406), loaded with 150 liters, to the empty BV1 tank of 37P (#405) via the SM. BV2 of 37P still contains ~50 liters of water. The transfer took several compressor restarts.]
Conjunction Update:
The conjunction continues to be classified as a low risk, and no action is necessary at this time.
Conjunction Advisory:
NASA FCT (Flight Control Team) is following a conjunction of the ISS with a piece of orbital debris (Object 31822). The TCA (Time of Closest Approach) is Tuesday 07/06 at 6:18 PM GMT. Until the current ISS orbit has been tracked more precisely, the conjunction is currently classified as a low risk, and no action is necessary at this time.
---------- Post added 5th Jul 2010 at 04:22 PM ---------- Previous post was 4th Jul 2010 at 08:37 PM ----------
---------- Post added at 07:15 PM ---------- Previous post was at 04:22 PM ----------
From ISS On-Orbit Status Report for 05/07/2010:
FE-3 Mikhail Kornienko offloaded water from the newly arrived Progress M-06M/38P to Progress M-05M/37P. [After setting up the transfer system with hoses & compressor, Mikhail started the pump to transfer water from the BV1 Rodnik tank of 38P (#406), loaded with 150 liters, to the empty BV1 tank of 37P (#405) via the SM. BV2 of 37P still contains ~50 liters of water. The transfer took several compressor restarts.]
Conjunction Update:
The conjunction continues to be classified as a low risk, and no action is necessary at this time.
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SiberianTiger
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Let me dilute the otherwise tedious information stream a bit:
http://rian.ru/society/20100705/252346343.html
ISS Commander received a love letter from a young admirer
Moscow, July 5th, 2010 - Alexander Skvortsov, Commander of the International Space Station has received a love letter: a 17 years old girl from Moscow sent her heart-stirring message through the "ISS Mailbox" which is opened for public use since June 18th by the Moscow Memorial Museum of Cosmonautics.
With consent of the girl, her parents and Alexander Skvortsov himself, RIA Novosti are publishing fragments of the letter:
Good Day, mon cher! I have first known about you on one of the days before launch, and when I saw you from the crowd of reporters on you way from the Training Centre, I realized that I fell in love with you. Yes, I understand that you are not alone, but heart knows no law. Of course, I'm not pretending on anything more than a friendship (having full respect to you and your family), but I'm praying you for giving me an answer.
Could you, please, let me know your email (or the ICQ ID, if you have one), so we could communicate closely? If you send me no response, I promise not to blackmail you. My only biggest desire is to hear back from you. I'm looking forward to receiving your response!
A Roscosmos representative told in an interview that it's pretty normal when somebody falls in love in her 17, when a person's life priorities are forming. "And it's beautiful that the young Moscow girl feels love towards a Hero Cosmonaut, like in past times, and not to some business tycoon." - commented the spokesman on.
:thumbup:
http://rian.ru/society/20100705/252346343.html
ISS Commander received a love letter from a young admirer
Moscow, July 5th, 2010 - Alexander Skvortsov, Commander of the International Space Station has received a love letter: a 17 years old girl from Moscow sent her heart-stirring message through the "ISS Mailbox" which is opened for public use since June 18th by the Moscow Memorial Museum of Cosmonautics.
With consent of the girl, her parents and Alexander Skvortsov himself, RIA Novosti are publishing fragments of the letter:
Good Day, mon cher! I have first known about you on one of the days before launch, and when I saw you from the crowd of reporters on you way from the Training Centre, I realized that I fell in love with you. Yes, I understand that you are not alone, but heart knows no law. Of course, I'm not pretending on anything more than a friendship (having full respect to you and your family), but I'm praying you for giving me an answer.
Could you, please, let me know your email (or the ICQ ID, if you have one), so we could communicate closely? If you send me no response, I promise not to blackmail you. My only biggest desire is to hear back from you. I'm looking forward to receiving your response!
A Roscosmos representative told in an interview that it's pretty normal when somebody falls in love in her 17, when a person's life priorities are forming. "And it's beautiful that the young Moscow girl feels love towards a Hero Cosmonaut, like in past times, and not to some business tycoon." - commented the spokesman on.
:thumbup:
Orbinaut Pete
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Roscosmos PAO: "Magic Anti-Radiation Curtain to be Installed in the ISS".
---------- Post added at 08:30 PM ---------- Previous post was at 05:13 PM ----------
From ISS On-Orbit Status Report for 06/07/2010:
After configuring the usual pumping equipment (Compressor-M, hoses, adapters), FE-3 Mikhail Kornienko initiated the transfer of urine from 9 EDV-U containers to the empty BV1 Rodnik storage tank of Progress M-06M/38P at the SM Aft port, emptied yesterday of its 150 liters of water, then flushed the lines with disinfectant from an EDV. [Each of the spherical Rodnik tanks BV1 & BV2 consists of a hard shell with a soft membrane (bladder) composed of elastic fluoroplastic. The bladder is used to expel water from the tank by compressed air pumped into the tank volume surrounding the membrane and is leak-tested before urine transfers, i.e., with empty tanks, the bladders are expanded against the tank walls and checked for hermeticity.]
FE-2 Tracy Caldwell-Dyson & FE-4 Doug Wheelock jointly reviewed a preliminary EVA-16 task outline for familiarization. Their EVA-16 spacewalk is currently scheduled on 17/08, preceded by their EVA-15 on 05/08. In order of their execution, the proposed tasks for EVA-16 are:
1) 1553 data cable installation (completion from EVA-15).
2) CP3 camera wedge installation.
3) P1 Truss radiator beam troubleshooting.
4) Strela adapter retrieval.
5) Starboard CETA (Crew Equipment Translation Aid) cart reconfiguration.
6) Get aheads:
• FGB thruster imagery.
• APFR (Articulating Portable Foot Restraint) relocation for STS-133/ULF-5.
• Tool re-stow/eternal tool box stow/transfer 2 round scoops to the Z1 Truss tool box.
Doug Wheelock & FE-6 Shannon Walker worked on the WHC (Waste & Hygiene Compartment), troubleshooting the facility which is currently nonfunctional, probably due to its pump separator. [The crew was to remove & replace piping between the Russian-furnished MNR-NS pump separator and DKiV Pre-Treat Dispenser & Water Pump (also called "Dose Pump"), a regularly scheduled part of 180-day preventive maintenance. Doug & Shannon also were to change out the WHC's UR (Urine Receptacle) hose and IF (Insert Filter), then vacuum the entire WHC and clean it with disinfectant wipes. With the WHC down, the entire crew is currently using the Soyuz toilet facilities. There is a spare pump separator onboard, and the crew has procedures for changing it out.]
---------- Post added at 08:30 PM ---------- Previous post was at 05:13 PM ----------
From ISS On-Orbit Status Report for 06/07/2010:
After configuring the usual pumping equipment (Compressor-M, hoses, adapters), FE-3 Mikhail Kornienko initiated the transfer of urine from 9 EDV-U containers to the empty BV1 Rodnik storage tank of Progress M-06M/38P at the SM Aft port, emptied yesterday of its 150 liters of water, then flushed the lines with disinfectant from an EDV. [Each of the spherical Rodnik tanks BV1 & BV2 consists of a hard shell with a soft membrane (bladder) composed of elastic fluoroplastic. The bladder is used to expel water from the tank by compressed air pumped into the tank volume surrounding the membrane and is leak-tested before urine transfers, i.e., with empty tanks, the bladders are expanded against the tank walls and checked for hermeticity.]
FE-2 Tracy Caldwell-Dyson & FE-4 Doug Wheelock jointly reviewed a preliminary EVA-16 task outline for familiarization. Their EVA-16 spacewalk is currently scheduled on 17/08, preceded by their EVA-15 on 05/08. In order of their execution, the proposed tasks for EVA-16 are:
1) 1553 data cable installation (completion from EVA-15).
2) CP3 camera wedge installation.
3) P1 Truss radiator beam troubleshooting.
4) Strela adapter retrieval.
5) Starboard CETA (Crew Equipment Translation Aid) cart reconfiguration.
6) Get aheads:
• FGB thruster imagery.
• APFR (Articulating Portable Foot Restraint) relocation for STS-133/ULF-5.
• Tool re-stow/eternal tool box stow/transfer 2 round scoops to the Z1 Truss tool box.
Doug Wheelock & FE-6 Shannon Walker worked on the WHC (Waste & Hygiene Compartment), troubleshooting the facility which is currently nonfunctional, probably due to its pump separator. [The crew was to remove & replace piping between the Russian-furnished MNR-NS pump separator and DKiV Pre-Treat Dispenser & Water Pump (also called "Dose Pump"), a regularly scheduled part of 180-day preventive maintenance. Doug & Shannon also were to change out the WHC's UR (Urine Receptacle) hose and IF (Insert Filter), then vacuum the entire WHC and clean it with disinfectant wipes. With the WHC down, the entire crew is currently using the Soyuz toilet facilities. There is a spare pump separator onboard, and the crew has procedures for changing it out.]
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tblaxland
O-F Administrator
I'm betting that the next email from Elena did not express so much love as caution
Star Voyager
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That's interesting. Since I'm around that same age, I'm interested in seeing if this girl is hot. Or, like tblaxland said, wondering what the wife's response is (I'm sure she had to have some consent if he said yes to it, but you never know...).
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