Labels:amusement park | collector | monitor | sky | sun | tree | windowpane OCR: HELEnE Data Mean distance from center of planet: 234 570 mi. (377 420 km) Inclination of axis unknown Rotati ion period: unknown Orbital period: .737 Orbital eccentricity: 0.005 Orbital inclination to planet equator: 0.15 Diameter 22 X 21x 17 mi. (36 X 34 28 km) Mass unknown Density: unknown Escape velocity: approx. 0.006 mi (0.01 km) per second Rotation