Launch Profile – GOES-R, S, T, U

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