Opportunity was one of NASA's twin Mars Exploration Rovers that confirmed ancient Mars had standing water and set the off-Earth driving distance record.
- Company
- NASA JPL
- Country
- United States
- Status
- Retired
- Generation
- —
- Category
- Space
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Community RatingMars Exploration Rover Opportunity
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Opportunity was one of NASA's twin Mars Exploration Rovers that confirmed ancient Mars had standing water and set the off-Earth driving distance record.
- Company
- NASA JPL
- Status
- Retired
- Generation
- —
- Category
- Space
Quick specs
Autonomy
Autonomous navigation with hazard avoidance
Total driving distance
28.06 miles (45.16 km)
Landing site
Meridiani Planum
RoboDex Score
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RoboDex Score
94
Community — / 10 · no ratings yet
Innovation92
AI82
Mobility76
Utility95
Design88
Editorial Assessment
Reviewed by RoboDex Editorial
Date August 2026
Sources 5
Confidence HIGH
Assessment Version 1
Editorial Notes
Mars Exploration Rover — legendary endurance mission and public science impact.
Technical dossier
Technical narrative
Visual brief
History
Opportunity launched with its twin Spirit as part of NASA's Mars Exploration Rover mission to search for evidence of past water on Mars.
Purpose
To study rocks and soils for signs that liquid water once persisted on the Martian surface.
Highlights
NASA reports Opportunity holds the off-Earth roving distance record after driving 28.06 miles (45.16 kilometers) on Mars.
Development
The twin rovers were designed for 90-day primary missions but operated far longer on solar power.
Future Roadmap
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