Diameter ~300 m (984 ft) Height ~150 m (495 ft) along rotational axis Average speed ~17,500 mph (5 miles/ second) Orbital Period 91 minutes Rotational Period 61 seconds Altitude ~210 miles Era(s) 2001: A Space Odyssey Affiliation USA; USSR; Hilton Hotels http://2001.wikia.com/wiki/Space_Station_V 2001: A Space Odyssey, was known for its scientific accuracy, so this may be right.