Mars.
Statistics
Diameter: 6,785 km (4,217 miles) Rotation Period
about Axis: 24.6 hrs
Mass: 0.64x10^24 kilograms (0.11 x Earth's) Revolution Period about the
Sun: 1.88 years
Density: 3,933 kg/m^3 Tilt of Axis: 25o 12"
Minimum Distance from Sun: 205 million km
(128 million miles) Surface Gravity: 3.7 m/s^2 (0.37 x Earth's)
Maximum Distance from Sun: 249 million km
(155 million miles) Temperature: -129o C to 0o C
( -200o F to 32o F)
Orbital Semimajor Axis: 1.52 AU (Earth=1 AU) Average Surface Temperature
(K): 218K
Minimum Distance from Earth: 35 million miles Satellites: 2