ocr: DEIMOS Data Mean distance from center of planet: 14,600 mi. (23,500 km) Inclination of Axis: 0 degrees Rotation period: 1.262 days Orbital period: 1.262 days Orbital eccentricity: 0.003 Orbital inclination to planet's equator: 2.8 degrees Diameter: 6 x7x9 mi. (10x1 12x1 15 km) Mass: 2.0x' 1015 kg Density: 2.1 g/cm3 Escape velocity: 0.005 miles (0.008 km) per second Maximum apparent diameter as seen from the planet: 1'7"