Atlas V – GOES-S – Launch Profile

Launch Timeline

 

 

Time Event
T-0:00:02.7 Stage 1 – RD-180 Ignition
T-0 Booster Ignition & LIFTOFF
T+0:00:02.1 Full Thrust Level
T+0:00:05.2 Pitch/Roll Maneuver Initiation
T+0:00:35.2 Mach 1
T+0:00:47.1 Maximum Dynamic Pressure
T+0:01:35 Solid Rocket Booster Burnout
T+0:01:50.3 Booster 1 & 2 Separation
T+0:01:51.8 Booster 3 & 4 Separation
RL-10C Boost Phase Cool-Down
Centaur RCS Pyro Valve Initiation
T+0:03:29.9 Payload Fairing Jettison
Stage 1 Throttle down for MECO
T+0:04:21.9 Main Engine Cutoff
T+0:04:27.9 Atlas/Centaur Separation
T+0:04:37.9 Centaur Ignition 1 – Burn Duration: 7:33.8
T+0:12:11.7 Centaur Cutoff 1 – Low Earth Orbit
T+0:12:11.7 Coast Phase – Duration: 10:16.5
T+0:22:38.4 Centaur Ignition 2 – Burn Duration: 5:30:9
T+0:28:09.3 Centaur Cutoff 2 – Elliptical Transfer Orbit
T+0:28:09.3 Coast Phase – Duration: 2:59:58.6
T+3:28:07.9 Centaur Ignition 3 – Burn Duration: 1:34.4
T+3:29:42.3 Centaur Cutoff 3 – GEO Transfer Orbit
T+3:32:31.3 GOES-S Satellite Separation
T~3:40:12 Solar Array Deployment – Stage 1
T+3:52:00 Uplink Command and Communications Acquired
T+3:58:51.3 Start Blowdown
T+4:32:11.3 Atlas V End of Mission
T+14:35:00 Rocket Engine Assembly Checkout Complete
T+2-8 Days Orbit Raising Operations
T+9 Days Solar Array Deployment – Stage 2
T+10-14 Days GEO Station Acquisition
T+14 Days Stationary in GEO

 

 

Launch Data

Launch Date: March 1, 2018
Window: 22:02 – 00:02 UTC
Launch Site: SLC-41, Cape Canaveral
Launch Vehicle: Atlas V 541
Launch Azimuth: 100.7°
Ascent Duration: 3 Hours and 32 Minutes

Target Orbit

Type: Geostationary Transfer Orbit
Perigee: 8,215 km
Apogee: 35,287 km
Inclination: 9.52°
Argument of Perigee: 179.69°

Image: United Launch Alliance

Image: United Launch Alliance

Image: United Launch Alliance

Ground Track Map


Image: United Launch Alliance

Image: United Launch Alliance