space hard MCQ

What is the orbital period of a satellite in Medium Earth Orbit (MEO) typically used for navigation constellations like GPS?

  1. 90 minutes
  2. 12 hours
  3. 24 hours
  4. 48 hours

Answer: 12 hours

Navigation satellites in MEO (e.g., GPS at ~20,200 km altitude) have an orbital period of approximately 12 hours, ensuring global coverage with multiple overlapping orbits.

Topic Space Technology - Orbits
Exam Relevance SSC CPO, Railway JE