Entry, Descent, and Landing (EDL) system for Mars rovers

URI: https://gptkb.org/entity/Entry,_Descent,_and_Landing_(EDL)_system_for_Mars_rovers
GPTKB entity
Statements (38)
Predicate Object
gptkbp:instanceOf gptkb:spacecraft_landing_system
gptkbp:autonomousOperation yes
gptkbp:challenge high entry speed
precise landing requirements
thin Martian atmosphere
gptkbp:communicationDelay about 14 minutes from Mars to Earth
gptkbp:criticalFor heat shield separation
parachute deployment
powered descent
sky crane maneuver
gptkbp:designedBy gptkb:NASA
gptkbp:duration approximately 7 minutes
gptkbp:improvedFor gptkb:Curiosity_rover
gptkb:Perseverance_rover
gptkbp:introducedIn gptkb:Mars_Pathfinder
gptkbp:nickname seven minutes of terror
gptkbp:operatesIn Martian atmosphere
gptkbp:period entry phase
descent phase
landing phase
gptkbp:purpose to safely deliver a rover to the Martian surface
gptkbp:requires complex engineering
precise timing
gptkbp:riskFactor high failure rate historically
gptkbp:successExample Curiosity rover landing in 2012
Perseverance rover landing in 2021
gptkbp:technology gptkb:parachute
gptkb:shield
airbags
aeroshell
sky crane
retro rockets
gptkbp:usedBy gptkb:Mars_rovers
gptkbp:usedIn gptkb:Mars_2020_(Perseverance)
gptkb:Mars_Science_Laboratory_(Curiosity)
gptkbp:bfsParent gptkb:Adam_Steltzner
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label Entry, Descent, and Landing (EDL) system for Mars rovers