Orbital Properties of Planets and Satellites – Practice Questions: 1) Calculate the orbital speed of a geostationary satellite: 2) The Hubble space telescope has an altitude above Earth’s surface of 540km. Calculate its:a) orbital period:b) orbital velocity: Quick Answers:1) 3075 m/s (11073 km/hr)2a) 5742 sec (95.7 min) b) 7594.1 m/s (27339 km/hr) Worked Answers: