Mars 2020
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| Mars 2020 | |
|---|---|
 | |
| Name | Perseverance Rover |
| Mission | Mars 2020 mission |
| Operator | NASA |
| Launch | July 30, 2020 |
| Launch site | Cape Canaveral Air Force Station |
| Launch vehicle | Atlas V 541 |
| Landing | February 18, 2021 |
| Landing site | Jezero Crater, Mars |
| Mass | 1025 kg |
| Power | Multi-Mission Radioisotope Thermoelectric Generator |
Mars 2020
Mars 2020 was a NASA robotic mission that delivered the Perseverance rover and the Ingenuity helicopter to Mars, aiming to study astrobiology, geology, and prepare samples for eventual return to Earth. The project involved collaboration among agencies and institutions including NASA, Jet Propulsion Laboratory, Caltech, Lockheed Martin, and international partners such as ESA, DLR, and ASI. Major milestones connected to the mission include the Atlas V launch from Cape Canaveral, the atmospheric entry over Mars, and the touchdown in Jezero Crater.
Mission overview
The mission organization included NASA Headquarters, the Jet Propulsion Laboratory, Caltech, and corporate partners such as Lockheed Martin and Ball Aerospace. Management and science leadership featured teams with ties to Johnson Space Center, Ames Research Center, and Goddard Space Flight Center. Scientific coordination engaged institutions like Smithsonian Institution, SETI Institute, MIT, Harvard University, and University of Arizona. International cooperation involved agencies including European Space Agency, Deutsches Zentrum für Luft- und Raumfahrt, Italian Space Agency, and Canadian Space Agency. Funding and oversight intersected with bodies such as Congressional appropriations committees, National Academy of Sciences, and White House Office of Science and Technology Policy. Programmatic context included prior missions Mars Reconnaissance Orbiter, Curiosity rover, Spirit (rover), and Opportunity (rover), as well as subsequent planning with Mars Sample Return discussions and concepts from ESA–NASA cooperation.
Spacecraft and instruments
The rover spacecraft was designed and built by Jet Propulsion Laboratory and Lockheed Martin Space Systems with avionics, thermal systems, and mobility hardware informed by heritage from Curiosity rover. Scientific payloads included instruments from multiple institutions: Sherloc (calibration target involvement by JPL and Los Alamos National Laboratory), PIXL developed with Southwest Research Institute and The Johns Hopkins University Applied Physics Laboratory, SuperCam with contributions from CNES and Los Alamos National Laboratory, Mastcam-Z from Malin Space Science Systems, and MOXIE from MIT. Additional payloads included RIMFAX contributed by Norwegian Space Agency, MEDA provided by Centro de Astrobiología and Spanish institutions, and the Autonomous Helicopter Ingenuity developed by NASA Ames Research Center with hardware from Bell Textron and electronics testing at University of Washington. Power and thermal management involved the Multi-Mission Radioisotope Thermoelectric Generator from supplier teams with heritage in Cassini–Huygens and Voyager programs. Communications used relay assets such as Mars Reconnaissance Orbiter, Mars Odyssey, and direct-to-Earth links with Deep Space Network stations in Goldstone, Canberra, and Madrid.
Launch and cruise
Launch operations integrated teams at Kennedy Space Center and Cape Canaveral Air Force Station using an Atlas V 541 rocket manufactured by United Launch Alliance. Flight integration involved United Launch Alliance and Air Force Space Command coordination with range safety elements from 45th Space Wing. Cruise-phase navigation and trajectory maneuvers were handled by JPL flight dynamics working with data from Deep Space Network tracking and ephemerides from Jet Propulsion Laboratory Horizons systems. Mid-course corrections referenced heritage techniques from Mars Pathfinder and Mars Exploration Program missions, and thermal vacuum and vibration testing drew on facilities at Ames Research Center and JPL laboratories.
Entry, descent, and landing
The entry, descent, and landing sequence employed technologies evolved from Curiosity rover including supersonic parachutes developed with testing at NASA Langley Research Center, heatshield manufacturing partnerships with Lockheed Martin and materials labs at Ames Research Center, and sky crane maneuver concepts proven by JPL. Guidance, navigation, and control systems used terrain-relative navigation algorithms refined with imagery from Mars Reconnaissance Orbiter and HiRISE team products at University of Arizona. The landing site selection process involved scientific analyses by teams from NASA Headquarters, NASA Science Mission Directorate, JPL, and international scientists from ESA and national academies.
Surface operations and science objectives
Surface operations were coordinated by rover planners at Jet Propulsion Laboratory with science teams drawn from Caltech, University of Arizona, Arizona State University, Cornell University, Brown University, Massachusetts Institute of Technology, University of California, Berkeley, and ETH Zurich. Primary science objectives included the search for past biosignatures connected to ancient fluvial and deltaic deposits in Jezero Crater informed by orbital mapping from Mars Reconnaissance Orbiter and mineralogical data from Mars Odyssey instruments. Geologic and geochemical studies used PIXL, SHERLOC, SuperCam, and Mastcam-Z observations to characterize lithology and alteration minerals akin to research from Gale Crater by Curiosity. Atmospheric and environmental monitoring utilized MEDA alongside atmospheric modeling groups at NOAA and comparative planetary science researchers at UC Santa Cruz. Ingenuity demonstrated powered flight technologies for aeronautics research with flight planning contributions from NASA Ames Research Center and test evaluation by Langley Research Center teams.
Sample caching and future sample return plans
Sample caching implemented drill, containment, and caching mechanisms tested at facilities including Johnson Space Center and JPL labs, producing sealed sample tubes intended for a future Mars Sample Return campaign. International planning for retrieval and return involved partnerships between NASA and European Space Agency, with proposed hardware concepts from Lockheed Martin, Airbus Defence and Space, and science curation frameworks at Smithsonian Institution and European Space Agency Science & Technology divisions. Programmatic roadmaps referenced planning studies by National Academies of Sciences, Engineering, and Medicine and policy frameworks from White House Office of Science and Technology Policy regarding planetary protection and sample handling.
Mission legacy and impact
The mission influenced planetary science, engineering, and policy across institutions such as NASA, ESA, DLR, ASI, and academia including Caltech and MIT. Technological advances affected future concepts at Blue Origin, SpaceX, and commercial partners like Sierra Nevada Corporation and Northrop Grumman, while science results fed into syntheses by the National Academy of Sciences and curriculum at universities including Harvard University and Stanford University. Outreach engaged public institutions like the Smithsonian Institution and media entities, and the mission inspired cross-disciplinary research collaborations with botanical and astrobiology groups at NASA Ames Research Center and SETI Institute. The mission’s instruments, flight systems, and operational lessons will inform planned efforts in Mars Sample Return and human exploration architectures discussed by NASA Human Exploration and Operations Mission Directorate and international partners.