Atlas V - SBIRS-GEO 3 - Launch Profile
Launch Timeline
Time | Event |
---|---|
T-0:00:02.7 | Stage 1 - RD-180 Ignition |
T-0 | Booster Ignition |
T+0:00:01.1 | Liftoff |
T+0:00:02.1 | Full Thrust Level |
T+0:00:17.9 | Pitch/Roll Maneuver Initiation |
T+0:01:20.7 | Mach 1 |
T+0:01:30:6 | Maximum Dynamic Pressure |
RL-10C Boost Phase Cool-Down | |
Centaur RCS Pyro Valve Initiation | |
Stage 1 Throttle down for MECO | |
T+0:04:03.2 | Main Engine Cutoff |
T+0:04:09.2 | Atlas/Centaur Separation |
T+0:04:19.2 | Centaur Ignition 1 - Burn Duration: 11:03.6 |
T+0:04:27.2 | Payload Fairing Jettison |
T+0:15:22.9 | Centaur Cutoff 1 |
T+0:15:22.9 | Coast Phase - Duration: 9:30.6 |
T+0:25:00.1 | Centaur Ignition 2 - Burn Duration: 3:38.2 |
T+0:28:38.3 | Centaur Cutoff 2 |
T+0:43:48.3 | SBIRS-GEO 3 Separation |
Centaur CCAM, Coast Phase | |
Blowdown |
Launch Data
Launch Vehicle: Atlas V 401
Launch Site: SLC-41 Cape Canaveral
Launch Date: January 21, 2017
Window: 00:42-01:22 UTC
Payload: SBIRS-GEO 3 (~4,500kg)
Window: 00:42-01:22 UTC
Payload: SBIRS-GEO 3 (~4,500kg)
Flight Azimuth: 95.9°
Target Orbit:
Target Orbit:
Type: Geostationary Transfer Orbit
Perigee: 185.2 Kilometers
Apogee: 35,786 Kilometers
Inclination: 23.29 Degrees
Apogee: 35,786 Kilometers
Inclination: 23.29 Degrees

Image: ULA
Ground Track Map

Credit: United Launch Alliance