JEE — Geosynchronous PeriodMediumQuestion 30761
Question
A geosynchronous satellite has orbital period:
- A12 hours
- B24 hours (sidereal day ≈ 23 hrs 56 min)Correct
- C1 year
- D90 minutes
Correct answer
24 hours (sidereal day ≈ 23 hrs 56 min)
Explanation
A geosynchronous (geostationary) satellite has period = Earth's rotation period ≈ 23 h 56 min (sidereal day), so it stays above the same longitude.