PHASR (Concept B) - Precursor to Human and Scientific Rover
The PHASR (Precursor to Human and Scientific Rover) is a concept lunar rover. It was developed to collect samples from the Moon, acquire science measurements, and demonstrate tasks like long-distance travel and night survival.
Technical details
Target destination | Moon |
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Size (Length, width, height) | 2.7 m x 1.5 m x 2.2 m |
Mass | 365 kg |
Speed | 1.8 km/h top speed |
Powered by | Solar arrays and radioisotope heating units |
Highlights
- Can be controlled remotely by operators, or drive autonomously
- Capable of travelling up to a maximum of 2,000 km during its lifespan
- Includes 80 kg of equipment, including an arm, a sample container and science instruments
Built by
MacDonald, Dettwiler and Associates (MDA)
Partners
Magellan Aerospace Corporation, Neptec Technologies, Deltion Innovations, Mission Control Space Services, Menya Solutions.

Artist's rendering of the PHASR (Concept B) lunar rover. (Credit: MDA)