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Picture

Soyuz Countdown Timeline

Time Event
L-08:00:00 Final Countdown commences
Soyuz Systems Checks
L-06:00:00 Battery Installation in Booster
L-04:20:00 Sate Commission Meeting
L-04:00:00 Propellant Loading
L-01:45:00 Tanking Complete -- LOX Replenish
L-01:45:00 Launcher Systems Checks
L-01:00:00 Guidance System Activation
Mobile Service Structure Retraction
L-00:45:00 Flight Computer Software Load
L-00:30:00 Launch Command Power Activation
L-00:10:00 Inertial Guidance System Activation
On-Board Recorders activated
L-00:08:00 Payload to Internal Power
L-00:06:00 COUNTDOWN AUTO SEQUENCE
L-00:05:00 Ground & On-Board Telemetry Activation
Transfer to onboard Control
Launch Key Inserted
L-00:03:15 Engine Nitrogen Purge
L-00:02:40 Umbilical mast power disconnected to 3rd stage
L-00:02:35 Propellant Tank Pressurization
L-00:02:30 Onboard Measurement System Activation
L-00:02:15 Propellant Tank Drain&Safety Valves closed
LOX and N2 Loading Termination
L-00:01:00 Transfer to Internal Power
AUTO SEQUENCER ENABLED
First Umbilical Tower Separates from Booster
L-00:00:40 Power Umbilical to third Stage disconnected
L-00:00:20 ENGINE IGNITION (Core Stage and Boosters)
L-00:00:15 Intermediate Thrust Level
Second umbilical Tower separated from Booster
L-00:00:10 Engine Turbopumps at Flight Speed
L-00:00:05 Full Thrust Level
L-00:00:00 Fueling Tower Retracts
LIFTOFF

 

Launch Date December 19, 2013
Launch Window 9:12:18 UTC
Launch Site ELS, Guiana Space
  Center, French Guiana
Windows Daily

Launch Vehicle

Soyuz 2-1B - Fregat MT
Picture
Photo: ESA
>>>Launch Vehicle Information

Links

Gaia Section


Flight Profile

Picture
Image: Lavochkin Association
Time Event
T-0:00:20 Launch Command
T-0:00:15 Preliminary Thrust Level
T-0:00:10 Turbopumps at Flight Speed
T-0:00:05 Full Thrust
T-0:00:00 LIFTOFF
T+0:01:58 Booster Shutdown & Separation
T+0:03:40 Payload Fairing Separation
T+0:04:46 Core Stage Shutdown
T+0:04:48 Third Stage Ignition & Stage Sep
T+0:09:23 Fregat Separation
T+0:10:23 Fregat First Ignition
  Burn: 2min 16sec
T+0:12:39 Fregat Shutdown
  Coast Phase: 8min 46sec
T+0:21:14 Fregat Second Ignition
  Burn: 15min 34sec
T+0:36:59 Fregat Shutdown
T+0:41:59 Gaia SEPARATION
Injection Orbit
Perigee -681km
Apogee 180km
Inclination 14.98°
Parking Orbit
Perigee 175km
Apogee 175km
Inclination 14.98°
SC Separation Orbit
Perigee 6722km
Apogee 969,068km
Inclination 35.45°
Graveyard Orbit
Perigee 374km
Apogee 2,150,152km
Inclination 14.99°
Picture
Image: Astrium


Transfer Trajectory

Picture
Image: Astrium

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