For a satellite to be geostationary, which of the following are essential conditions ? (a) It must always be stationed above the equator (b) It must rotate from west to east (c) It must be about 36,000 km above the earth (d) Its orbit must be circular, and not elliptical

For a satellite to be geostationary, which of the following are essent

1.	For a satellite to be geostationary, which of the following are essential conditions ? (a) It must always be stationed above the equator (b) It must rotate from west to east (c) It must be about 36,000 km above the earth (d) Its orbit must be circular, and not elliptical
Answer» a,d a,C,d a,B,c All Answer :D