Physical data:

Diameter: 6,794 Km
Mass: 6.4219 X 1023 Kg
Surface temperature: -140C to 20C
Minimum distance from Earth:
Mean distance from the Sun 227,940,000 km
Period of rotation: 24.6229 hours
Period of orbit: 686.98 days
Number of moons: 2 (Phobos and Deimos)