NASA · Aerospace · 2004
First of NASA's twin Mars Exploration Rovers. Landed at Gusev Crater on 4 January 2004 with a 90-sol design life. Operated for 2,210 sols (over 6 years), traveled 7.73 km, and discovered evidence of past hydrothermal activity. Got stuck in soft soil in 2009 and continued as a stationary platform until last contact in March 2010.
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View full interactive profile, comparisons & videos →| Category | Aerospace |
| Sub-type | Mars Rover |
| Status | Active |
| Year | 2004 |
| Origin | USA |
| Also known as | Mars Exploration Rover A, MER-A, Spirit Rover |
| Announced | 2000 |
| Released | 2004-01-04 |
| Dimensions (H×W×D) | 1500 × 2300 × 1600 mm |
| Weight | 185 kg |
| Frame | Aluminum, composite panels |
| Degrees of freedom | 5 |
| Payload | 1.5 kg |
| Reach | 800 mm |
| Max speed | 0.05 m/s |
| Battery | 480 Wh |
| Camera | 9 cameras: Pancam (stereo), Navcam (stereo), 4 Hazcams, Microscopic Imager |
| Chipset | BAE Systems RAD6000 |
| Actuator type | Brushed DC motors with planetary gears, rocker-bogie suspension |
| Connectivity | Wi-Fi, Bluetooth |
| Made in | USA |
