Pathfinder Nominal Entry Timeline

All times given as time since atmospheric entry (130 km altitude)

   Time           Event                        Altitude      Velocity 
 
-30 minutes   Cruise Stage Separation             -         >7.3 km/s
  0           Atmospheric entry                 130 km       7.3 km/s
 64 seconds   Peak Heating                       40 km          - 
163 seconds   Parachute Deployment              8.6 km       400 m/s
183 seconds   Heatshield Release                6.5 km       100 m/s
208 seconds   Bridle Deployment Completed       4.7 km        70 m/s
255 seconds   Altimeter Acquires Ground         1.5 km        65 m/s
274 seconds   Airbag Inflation                300 meters      62 m/s
278 seconds   Rocket Firing                    50 meters      60 m/s
280 seconds   Drop Lander & Airbags            12 meters       0 m/s
282 seconds   Lander Surface Impact             0 meters      10 m/s


ref: Spencer & Braun, J. Spacecraft Rockets, v.33, no.5, p.670, 1996