Share |
MSL Landing Resources (Links open in new Window)

EDL Profile

Picture
Image: NASA JPL

Detailed Timeline & Profile

Picture
Image: NASA - JPL - Caltech
Picture
Image: NASA - JPL - Caltech
Picture
Image: NASA - JPL - Caltech
Picture
Image: NASA - JPL - Caltech
Time EVENT
EI-00:02:00 Final EDL Navigation Update
EI-13:30 HRS Propellant Vent
EI-10:00 Cruise Stage Separation
EI-09:30 Transition to EDL Communications:
EI-09:00 Reaction Control System Enable
  De-Spin from 2rpm
  Maneuver to Entry Attitude
EI-05:49 Entry Guidance Enable
  Achieve Center of Gravity Offset
EI-05:19 Quiescent Period
  Inertial Measurement Unit Calibration
EI+0:00:00 ENTRY INTERFACE: 125km - 5,900m/s
EI+01:25 Peak Heating - 2,100°C
EI+01:36 Peak Deceleration - Up to 12.9G
EI+03:00 Hypersonic Aero-Maneuvering
EI+03:50 Eliminate Center Of Gravity Offset
EI+~04:05 Parachute Deployment: 11km - 450m/s
PD+00:01 Mars Landing Engines to 1% Thrust
EI+04:34 Heatshield Separation: 8km - 238m/s
  Terminal Descent Sensor Activation
HSS+00:08 Begin Using Landing Radar Solutions
HSS+00:30 Earth Occultation
BSS-00:10 Prime Mars Landing Engines
EI+~05:45 Backshell Separation
BSS+00:00 Mars Landing Engines at 1%
BSS+00:01 Mars Landing Engines at 20%
BSS+00:01.2 Attitude Control Only
  Setup Turn Start
BSS+00:03.4 Powered Approach
  Mars Landing Engines at Full Throttle
  Reduce Horizontal Velocity to 0m/s
  Reduce Vertical Velocity to 20m/s
BSS+00:35 Constant Velocity Accordion
  Duration: 0-5 Seconds
BSS+00:37.5 Constant Deceleration to 0.75m/s
BSS+00:40 Throttle down to 4 Mars Landing Engines
EI+~06:28 Rover Separation
  Deploy Front Rocker
RS+00:03 Mobility Deploy
RS+00:05.5 Release Bogie
RS+00:07 Snatch
RS+00:09 Enable Touchdown Logic
  Differential Release
RS+~00:11 Touchdown
TD+00:00:00 Touchdown
  August 6, 2012 ~ 5:17 GMT
TD+00:01.7 All Wheels Down/Bridle Offload
TD+00:02.7 Touchdown Detection
  Descent Stage Decel
  Bridle Cut Command
TD+00:02.96 Bridle Cut
TD+00:03.172 Umbilical Cord Cut Command
TD+00:03.187 Umbilical Cord Cut 
  Throttle Up
  Fly Away Initiation
  Fly Away Duration: Min: 4.0 Seconds
TD+00:07:187 Earliest Cutoff Time
  Descent Stage Impact
Picture
Image: NASA - JPL - Caltech


Animation