What is 84.6 minutes in gravitation?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
84.6 minutes is the orbital period of a satellite orbiting Earth at its lowest stable altitude (approximately 160-200 km above sea level). This is derived from Kepler's Third Law and represents the shortest possible orbital period around Earth before atmospheric drag becomes significant. Satellites lower than this altitude experience too much atmospheric resistance and uickly deorbit. The exact period depends on altitude, Earth's mass, and gravitational constant.
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