Launch News SpaceX Telstar 19 VANTAGE (Sunday, July 22 1:50 a.m. EDT/5:50 UTC)

Nicholas Kang

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Mission Press Kit is available here.

SpaceX is targeting launch of the Telstar 19 VANTAGE satellite to a Geostationary Transfer Orbit (GTO) from Space Launch Complex 40 (SLC-40) at Cape Canaveral Air Force Station, Florida. The four-hour launch window opens on Sunday, July 22 at 1:50 a.m. EDT, or 5:50 UTC. The satellite will be deployed approximately 32 minutes after liftoff.

A four-hour backup launch window opens on Monday, July 23 at 1:50 a.m. EDT, or 5:50 UTC. Following stage separation, SpaceX will attempt to land Falcon 9’s first stage on the “Of Course I Still Love You” droneship, which will be stationed in the Atlantic Ocean.

Static fire:


Launch Weather Forecast (Patrick AFB):

L-1 Weather Forecast is available here.

Launch day probability of violating launch weather constraints: 40%
Primary concern(s): Thick Cloud Layer Rule, Cumulus Cloud Rule

Delay day probability of violating launch weather constraints: 40%
Primary concern(s): Thick Cloud Layer Rule, Cumulus Cloud Rule
 

Andy44

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At first I thought it said "Vintage", as in Telstar is a really old program and so here's an old satellite we've had sitting around so let's launch it and get our money's worth lol.
 

Nicholas Kang

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Smooth sail!


Will see another launch in 2-3 days, this time from the West Coast! (Iridium-NEXT Flight 7)
 

BrianJ

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Nicely done, SpaceX :thumbup:
Final orbit injection was ~400m/s dV short of actual GTO from what I can figure.
Guess it makes sense to increase the satellite dV capability in exchange for lower launch cost.
 

Thunder Chicken

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Nicely done, SpaceX :thumbup:
Final orbit injection was ~400m/s dV short of actual GTO from what I can figure.
Guess it makes sense to increase the satellite dV capability in exchange for lower launch cost.


There is also something about fuel efficiency - it's less propellant intensive to lift and refine the orbit with a series of burns at perigee than attempting a direct insertion IIRC, which so happens to lower payload weight and therefore launch cost.
 
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