How many moons does Mars have?: Phobos and Deimos are the only two moons discovered in Mars’ orbit. There are theories that the planet has even more moons, about 50-100 meters (164-328 ft) in size, but none has been found yet.
How many moons does Mars have? Know here complete details
Mars have two moons Phobos and Deimos:
Phobos (Mars I)
- Radius: 11.2 km (6.9 miles)
- Mass: 1.0659×10^16 kg
- Orbital speed (sidereal): 7 h 39 m 12 sec
- Surface temperature: from −4 °C to −112 °C (24.8 °F to −169.6 °F)
- Orbital distance: 9235,6 km (5739.5 miles)
- Rotation: synchronous
- Apparent magnitude: 11.8
- Named after: Greek god of fear and panic
Deimos (Mars II)
- Radius: 6.2 km (3.8 miles)
- Mass: 1.4762×10^15 kg
- Orbital speed (sidereal): 30.3 hours
- Surface temperature: -40.15°C (-40.27 °F)
- Orbital distance: 23,458 km (14576 miles)
- Rotation: synchronous
- Apparent magnitude: 12.89
- Named after: Greek god of dread and terror