Labels:amusement park | circle | monitor | sky | tree | vase OCR: Data Mean distance from center of planet: 165,500 mi. (266 300 km) Inclination of axis Rotati tion period: 144 days Orbital period: 4.144 days Orbital eccentricity: 0.004 Orbital inclination tC planet's equator: 0.0 Diameter 727 mi. 1. 169 km) Mass: 1.33 10^21 kg Density: 51 g/cm 3 Escape velocity: 0. .34 mi (0.54 km) per second Maximum apparent diameter as seen from the planet: 1412 UMBRIEL Rotation Dens liameter seer
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