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| ExoMars Rosalind Franklin | |
|---|---|
| Name | Rosalind Franklin |
| Mission | ExoMars |
| Operator | European Space Agency; Roscosmos |
| Mission type | Planetary exploration; Mars rover |
| Launch date | 2022 (planned); delayed |
| Power | Solar panels |
| Dimensions | Rover: ~3 m with arm deployed |
| Mass | ~300–310 kg (rover only) |
| Status | Launched (as part of ExoMars programme) |
ExoMars Rosalind Franklin
The Rosalind Franklin rover is a flagship European Space Agency (ESA)–Roscosmos collaborative planetary exploration asset developed for the ExoMars programme. Conceived in the aftermath of missions such as Viking program, Mars Pathfinder, Spirit and Opportunity, and informed by findings from Mars Reconnaissance Orbiter, Mars Express, and Curiosity, the rover aims to search for past life and characterise the Martian subsurface using a suite of instruments and a coring drill.
The Rosalind Franklin rover was selected under the ExoMars programme to complement orbital assets like Trace Gas Orbiter and to build on heritage from the Beagle 2 lander, Schiaparelli EDM, and collaboration histories between European Space Agency and Roscosmos. Engineered by a consortium led by Airbus Defence and Space and national agencies including UK Space Agency, Italian Space Agency, Roscosmos, and contributions from CNES, the rover embodies multinational design and scientific priorities set by the European Space Agency Council and mission boards influenced by inputs from the Planetary Science Advisory Committee.
Primary goals include detecting biosignatures and organic molecules informed by precedents in Viking biological experiments, assessing subsurface habitability as highlighted by Curiosity discoveries at Gale Crater, and characterising geological context similar to studies performed by Opportunity at Meridiani Planum. Specific objectives echo recommendations from the European Space Agency Science Programme Committee and the Committee on Space Research (COSPAR) roadmap: (1) search for signs of past and present life, (2) study the distribution of water and associated geochemistry, (3) understand the surface radiation environment linked to data from Mars Odyssey, and (4) prepare technologies for future sample return efforts akin to concepts in Mars Sample Return.
The rover chassis integrates mobility systems drawing on experience from Sojourner and Curiosity with a rocker-bogie–derived suspension, actuated wheels influenced by Mars Exploration Rovers design, and thermal control strategies used on Phoenix. Power is supplied by deployable solar arrays like those on Opportunity and includes batteries and thermal heaters as in InSight. The rover carries a robotic arm and coring drill reaching up to 2 m, influenced by drill concepts from Beagle 2 and experimental systems tested by European Space Agency technology demonstrators. Avionics and navigation integrate software practices from Mars Reconnaissance Orbiter autonomy algorithms, inertial measurement units from Ariane‑based platforms, and communications via direct-to-orbit links compatible with Trace Gas Orbiter and assets in the European Space Agency ground segment.
The payload complements orbital remote sensing from Mars Express and Trace Gas Orbiter with in situ analyses using instruments developed by teams at Max Planck Society, University of Oxford, DLR (German Aerospace Center), Italian Space Agency, CNES, and NASA partners. Key instruments include: - A spectrometer suite building on heritage from Curiosity's SAM and ChemCam concepts. - The Panoramic Camera system with lineage to MER Pancam and Mastcam. - A ground-penetrating radar derived from techniques used on Mars Express. - A drill and sample-handling chain designed to collect sub‑surface cores for onboard analysis, inspired by protocols envisioned for Mars Sample Return. - Environmental sensors to characterise radiation and atmospheric chemistry referencing Mars Atmosphere and Volatile Evolution (MAVEN) and Mars Climate Orbiter datasets.
Originally slated to launch on a Proton-M or Ariane 5 class vehicle within a joint ESA–Roscosmos campaign, launch windows were coordinated with the synodic cycle linking Earth and Mars as used by past missions such as Mars Science Laboratory. Transit trajectories planned gravity-assist and \"transfer window\" navigation, leveraging mission operations experience from Rosetta and Mars Express cruise phases. Entry, descent and landing (EDL) builds on technologies trialled on Schiaparelli and heritage from Viking aeroshell designs, parachute systems akin to Mars Pathfinder, and powered descent concepts examined in Mars Exploration Rover studies.
Surface operations employ tasking methodologies from Curiosity and Opportunity mission operations centers, with science planning coordinated across institutions including European Space Agency, Roscosmos, UK Space Agency, Italian Space Agency, CNES, and research groups at Max Planck Society, University of Cambridge, Imperial College London, Sapienza University of Rome, Moscow State University, and others. The rover executes traverse planning, autonomous navigation, and context imaging, plus drill campaigns to collect subsurface cores for onboard laboratories. Data downlink uses relay via Trace Gas Orbiter and direct-to-Earth sessions scheduled with the Deep Space Network and ESA ground stations such as ESOC.
Analytical objectives target detection of organic molecules, isotopic ratios, mineralogy, and stratigraphic context comparable to breakthroughs from Curiosity at Gale Crater and orbital detections by Mars Reconnaissance Orbiter. Expected outcomes include refined models of past habitability with inputs to the Mars Sample Return architecture debates, constraints on aqueous alteration processes observed by Mars Express, and contributions to comparative planetology alongside results from InSight seismic studies. Cross-disciplinary teams from institutions like Max Planck Society, University of Oxford, NASA Jet Propulsion Laboratory, CNES, DLR (German Aerospace Center), and Roscosmos analyse returned datasets to inform future exploration policy at forums such as COSPAR and the COSPAR scientific assemblies.