Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when: (2011)
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth’s equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
a) 1,2 and 3 only
b) 1,3 and 4 only
c) 2 and 4 Only
d) 1, 2, 3 and 4
ANswer: A
A geostationary orbit, also referred to as a geosynchronous equatorial orbit, is a circular geosynchronous orbit 35,786 km in altitude above Earth’s Equator and following the direction of Earth’s rotation.
Hence statement 4 is incorrect