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Default Oko-2 (Cosmos-2479) atop Proton-K/Block DM-2 on March 30, 2012
by SiberianTiger 03-29-2012, 02:32 PM





On March, 30th, Russia will launch the last of Oko-2 Early Missile Attack warning satellites on the last produced Proton-K launcher. This GEO-bound satellite should perform constant survelliance of Earth and detect launches of ballistic missiles that might pose threat to Russian territory. Oko sats, analogous to US DSP system have a long heritage, and still no operating replacement of a newer generation (which is known to be in development, though). Proton-K will use Block DM-2 upper stage for this launch.

Launch location:

Baikonur Baikonur Launch pad no. 81/24 464'15.38"N, 6259'5.11"E



Launch dates and times:

Launch times
Time Zone
Australia - Sydney/UTC+11
Baikonur / UTC+6
Moscow / UTC+4/
Universal / UTC
Washington / EDT
Launch time (Primary):
4:49 p.m.
11:49
09:49
05:49
12:49 a.m.
on:
Mar. 30, 2012
Mar. 30, 2012
Mar. 30, 2012
Mar. 30, 2012
Mar. 30, 2012
*Click here to restart the timer* Oko-2 (US-KMO) launch

Live Coverage Of The Launch:

None available, sorry.

PAYLOAD

Oko-2 (US-KMO) is a military Early Missile Warning satellite. Oko means Eye in high style Russian.

The US-KMO early warning satellites of the second generation were developed as part of the Oko-1 system, which was supposed to complement and then replace the first generation US-KS satellite in the Oko space-based early warning system. Development of the US-KMO system began in 1979. In contrast to the first-generation system, which was designed to detect only launches of ICBMs from bases in U.S. territory, the US-KMO system was designed to provide coverage of SLBM launches from oceans as well.

The satellites feature an IR-telescope with diameter of main mirror of 1 m. Length of the deployable sunshade is 4.5 m. The most important distinguishing feature of the second-generation satellites was their look-down capability. These satellites were to be deployed in geosynchronous orbits, from which they could provide coverage of most of the oceans. It is likely that these satellites are supposed to replace the US-KS first-generation satellites in GEO and supplement the US-K satellites in HEO orbits.

Characteristics
US-KMO
Customer:
  • Roscosmos, Russian Ministry of Defense
Prime contractor:
  • Lavochkin Association (NPO)
Mission:
  • Missile Attack Early Warning System
GRAU Index:
  • 71Kh6
Type of Platform:
  • Pressurized
Mass:
  • 2 600 kg
Stabilization:
  • 3 axis stabilized
Observation Payload:
  • IR telescope with 1m aperture
On-board power:
  • ?
Life time:
  • 5-7 years
Coverage area:
  • Global

Launch Vehicle:

Characteristics
Proton-K / Block DM2
Prime contractor:
  • Khrunichev Space Centre
GRAU Index:
  • 8K82K
Height:
~57 m with upper stage and payload fairing
Diameter:
max 7.4 m
Liftoff mass:
~700 tonnes
Payload mass:
~22 tonnes at LEO
1st stage:
  • 6 X RD-275 engines
  • Empty 30.6 tonnes
  • Propellants 419.41 tonnes (UDMH and NTO)
  • Thrust in vacuum 1069.8 tonnes of force
  • Thrust at sea level 971.4 tonnes of force
2nd stage:
  • 1 X RD-0211 engine 3 X RD-0210 engines
  • Empty 11.4 tonnes
  • Propellants 156.113 tonnes (UDMH and NTO)
  • Thrust in vacuum 237.4 tonnes of force
3rd stage:
  • 1 X RD-0213 engine & 1 X RD-0214 vernier engine
  • Empty 3.7 tonnes
  • Propellants 46.562 tonnes (UDMH and NTO)
  • Thrust in vacuum 59.36 (core) + 3.15 (vernier) tonnes of force
Upper Stage:
  • GRAU Index: 11S861
  • Common Name: Block DM2
  • Designer: RKK Energia
  • Manufacturer: "Krasmash" Krasnoyarsk Machine Building Plant
  • 1 X RD-58M engine
  • Empty 2.2 tonnes
  • Diameter 4.1 m
  • Length 6.26 m
  • Propellants 15.095 tonnes (LOX and Kerosene RG-1)
  • Thrust in vacuum 8.67 tonnes of force
  • ISP 254 s
  • Flight time 7-21 hours
Payload Fairing:
  • Diameter 4.35 m
  • Length 10 m


The vehicle's reliability statistics according to http://www.spacelaunchreport.com/log2011.html#rate:

Code:
================================================================ 
Vehicle     Successes/Tries Realzd Pred  Consc. Last     Dates    
                             Rate  Rate* Succes Fail    
================================================================
Proton-K/DM-2   100   108    .93  .92     14    10/27/99 1982-
Weather forecast for Baikonur, Kazakhstan on March 30, 2012 (12 p.m.)

TimeTempsWind ChillHeat IndexUV IndexDew PointRelative HumidityPrecipSnowCloudsVisibilityWindWeather
12 PM10C8C10C4 Moderate0C48%0%0%3%16KMENE 3.1 m/s Sunny
References
http://www.federalspace.ru
http://tvroscosmos.ru
http://www.tsenki.com/launch_service...011/?EID=88633
http://www.khrunichev.ru
http://tihiy.fromru.com/Rn/RN_Proton.htm
http://arkos.kharkov.ua/
http://claw.ru/a-kosmos/347.html
http://forum.nasaspaceflight.com
http://www.novosti-kosmonavtiki.ru
http://www.spacelaunchreport.com
http://www.intellicast.com/Local/Forecast.aspx

Last edited by SiberianTiger; 03-30-2012 at 01:03 PM.
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Old 03-29-2012, 02:33 PM   #2
orb
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Here's O-F's calendar event for the launch.
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Old 03-29-2012, 05:50 PM   #3
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I didn't knew there were still Proton-K around. I though they were long replaced by the Proton-M.
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Old 03-29-2012, 06:13 PM   #4
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Production stopped in 2007, but it looks like they have one left, maybe similar to the Delta II.
Last launch of the Proton-K was on 28th of February 2009 in the same configuration.
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Old 03-30-2012, 04:03 AM   #5
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Yup, this rocket has been stored for several years before final shipped to Baikonur for this launch. This will be the last Proton-K to fly after 45 years in service. The Oko flying is also the last in the line, as well as the stock DM-2 upper stage.

Here's a good overview of the history of the Proton rocket by William Graham of NSF.com:
http://www.nasaspaceflight.com/2012/...launch-us-kmo/
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Old 03-30-2012, 05:57 AM   #6
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Launch occurred right on time.

http://www.interfax.ru/news.asp?id=238452
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Old 03-30-2012, 07:45 AM   #7
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Everything is going normally thus far.

The planned spacecraft separation time is 16:27 MSK (12:27 UTC).
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Old 03-30-2012, 12:50 PM   #8
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Launch success!

http://ria.ru/science/20120330/610102764.html




Last edited by Galactic Penguin SST; 03-30-2012 at 12:57 PM.
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Old 03-30-2012, 01:04 PM   #9
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Assigned Cosmos number 2479. Int'l #38101/2012-012A.
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Old 03-30-2012, 01:28 PM   #10
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Thank you Proton-K for Salyut, Mir and Zarya and Zvezda without you space stations would be different
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Old 03-30-2012, 05:11 PM   #11
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Spaceflight Now: Russian early warning satellite orbited by Proton
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Old 03-30-2012, 08:37 PM   #12
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Protons are starting the year very well ! Let's keep it this way !
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