Perseverance rover

Perseverance rover
NASA/JPL-Caltech · Public domain · source
Name	Perseverance
Mission	Mars 2020
Operator	National Aeronautics and Space Administration
Manufacturer	Jet Propulsion Laboratory / Aerojet Rocketdyne
Launch	July 30, 2020
Launch vehicle	Atlas V
Landing	February 18, 2021
Landing site	Jezero Crater (Mars)
Mass	1025 kg
Power	Radioisotope thermoelectric generator

Contents

Perseverance rover

Perseverance is a NASA Mars rover built and operated by the Jet Propulsion Laboratory as part of the Mars 2020 mission. The rover landed in Jezero Crater (Mars) on February 18, 2021, aiming to search for signs of past life, cache samples for return, and demonstrate technologies for future exploration with associations to organizations such as European Space Agency, NASA Ames Research Center, and companies including Lockheed Martin and SpaceX. The project draws on heritage from earlier missions like Curiosity (rover), Spirit (rover), and Opportunity (rover) and interfaces with programs including Mars Sample Return planning and collaborations with institutions such as California Institute of Technology and Massachusetts Institute of Technology.

Overview

Perseverance continues NASA’s long-duration surface exploration following predecessors Curiosity (rover), Spirit (rover), and Opportunity (rover), leveraging experience from missions like Mars Pathfinder, Viking program, and Mars Reconnaissance Orbiter. The rover was transported to Mars on an Atlas V booster built by United Launch Alliance and navigated via cruise and atmospheric entry phases coordinated with assets including MRO and the Deep Space Network. The mission integrates science teams from institutions such as Smithsonian Institution, University of Arizona, and Carnegie Institution for Science, while contributing to international efforts led by agencies like European Space Agency and Japan Aerospace Exploration Agency.

Perseverance’s chassis and mobility system are derived from Curiosity (rover) with modifications from contractors including Aerojet Rocketdyne and Honeywell International for propulsion and avionics. Instruments include the imaging suites Mastcam-Z (developed with partners including Malin Space Science Systems), the spectrometers PIXL and SHERLOC (from teams at Southwest Research Institute and NASA Jet Propulsion Laboratory), the atmospheric analyzer MEDA (led by Centro de Astrobiología), and the radar instrument RIMFAX (built by Norwegian Defence Research Establishment). For sample handling, an autonomous coring and caching system was designed in collaboration with NASA Glenn Research Center and industry partners. The rover carries the experimental helicopter Ingenuity (helicopter), developed by AeroVironment and JPL, and uses a Multi-Mission Radioisotope Thermoelectric Generator similar in concept to power systems used by missions like Cassini–Huygens and Voyager program.

Primary objectives include astrobiology-focused investigation of ancient environments informed by studies from Viking program and Mars Science Laboratory, characterizing geology and climate through instruments with ties to Smithsonian Institution and university teams, and collecting and caching samples for a planned Mars Sample Return campaign involving European Space Agency and industrial partners such as Aerojet Rocketdyne. Goals emphasize detecting biosignatures relevant to hypotheses tested since ALH84001 studies, understanding Noachian (Mars)–era fluvial systems in contexts similar to analyses by Mars Reconnaissance Orbiter, and demonstrating technologies to enable human exploration concepts advanced by NASA Johnson Space Center and advocacy groups like The Planetary Society.

Perseverance launched on July 30, 2020, aboard an Atlas V 541 configured by United Launch Alliance from Cape Canaveral Space Force Station, with mission trajectory monitored by the Deep Space Network. The cruise phase included trajectory corrections coordinated with NASA Jet Propulsion Laboratory navigation teams and atmospheric entry preparations informed by data from Mars Reconnaissance Orbiter and MAVEN (spacecraft). The landing sequence used the sky crane maneuver first demonstrated by Curiosity (rover), culminating in touchdown within Jezero Crater (Mars) on February 18, 2021, a site chosen after deliberations involving scientists from institutions including Smithsonian Institution, University of California, Berkeley, and University of Colorado Boulder.

Surface operations have been coordinated by mission control teams at Jet Propulsion Laboratory, with science leadership from investigators at Caltech, NASA Ames Research Center, and international partners such as Centro de Astrobiología and Max Planck Institute for Solar System Research. Discoveries include detailed stratigraphic mapping of deltaic and lacustrine deposits in Jezero Crater (Mars), identification of mineralogical assemblages including clays and carbonates through PIXL and SHERLOC analyses, and atmospheric and weather characterization by MEDA consistent with orbital observations from Mars Reconnaissance Orbiter and Mars Odyssey. The mission also demonstrated operational novelties: autonomous navigation enhancements developed with Carnegie Mellon University, and the first powered, controlled flight on another planet by Ingenuity (helicopter), a milestone noted alongside achievements from Wright brothers in Earth aviation history.

A central capability of Perseverance is collecting, sealing, and caching rock and regolith cores in collaboration with teams from NASA Jet Propulsion Laboratory, European Space Agency, and contractors such as Lockheed Martin for an envisioned Mars Sample Return campaign. Sample transfer architectures under study involve rendezvous and retrieval vehicles proposed by industry partners including Northrop Grumman and concepts developed with European Space Agency support, with sample containment protocols informed by planetary protection policies overseen by Committee on Space Research and NASA Office of Planetary Protection. The cached tubes are intended to enable definitive laboratory analyses at facilities like Johnson Space Center and major institutions such as Smithsonian Institution and Max Planck Institute for Solar System Research once return missions—anticipated as multi-launch campaigns—are executed.

Category:Mars rovers