Perseverance Rover’s Descent and Touchdown on Mars (Official NASA Video)

We are starting the straighten  up and fly right maneuver,  

where the spacecraft will jettison the  entry balance masses in preparation for  

parachute deploy and to roll over to give  the radar a better look at the ground.

[inaudible] indicates chute deploy. The navigation  has confirmed that the parachute has deployed and  

we are seeing significant deceleration in  the velocity. Our current velocity is 450  

meters per second at an altitude of about  12 kilometers from the surface of Mars.

Heat shield sep. Perseverance has now slowed  to subsonic speeds and the heat shield has been  

separated. This allows both the radar and the  cameras to get their first look at the surface.  

Current velocity is 145 meters per  second and an altitude of about  

10 kilometers - nine and a half  kilometers above the surface.

Nav filter converge lastly solution 3.3 meters  per second, altitude 7.4 kilometers. Nav has  

radar lock on the ground. Current velocity is  about 100 meters per second, 6.6 kilometers off  

the surface of Mars. Perseverance is continuing to  descend on the parachute. We are coming up on the  

initialization of terrain relative navigation  and subsequently the priming of the landing  

engines. Our current velocity is about 90 meters  per second at an altitude of 4.2 kilometers.

LVS valid. We have confirmation that the lander  vision system has produced a valid solution  

and part of terrain relative navigation. Priming  

pba is nominal. We have  priming of the landing engines.

Back shell sep. Current velocity is 83 meters  per second at about 2.6 kilometers from the  

surface of Mars. We have confirmation  that the back shell has separated.  

We are currently performing the divert maneuver.  Current velocity is about 75 meters per second  

at an altitude of about a kilometer off  the surface of Mars. TRN safety bravo.  

We have completed our terrain relative  navigation. Current speed is about 30  

meters per second, altitude of about  300 meters off the surface of Mars.

We have started our constant  velocity accordion which means we are  

conducting the skycrane - about  to conduct the skycrane maneuver.

Skycrane maneuver has started.

About 20 meters off the surface,  we're getting signals from MRO.  

Tango delta. Touchdown confirmed.  Perseverance safely on the surface of Mars,  

ready to begin seeking the signs of past life.


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