SOLAR SYSTEM

Detailed explanation-1: -Nadir : The point on the Earth’s surface directly below the satellite. Spatial Resolution is optimal here. Also called the sub-satellite point.

Detailed explanation-2: -The satellite sub-point is that point on the Earth’s surface directly below the satellite.

Detailed explanation-3: -Explanation: The satellite location is specified by a point on the surface of the earth directly below the satellite. This point is known as the subsatellite point (SSP).

Detailed explanation-4: -Perigee: A point for a satellite closest from the Earth. It is denoted as hp. Line of Apsides: Line joining perigee and apogee through centre of the Earth. It is the major axis of the orbit.

Detailed explanation-5: -An orbit is a regular, repeating path that one object takes around another object or center of gravity. Orbiting objects, which are called satellites, include planets, moons, asteroids, and manmade devices.

Detailed explanation-6: -Explanation: The point where satellite is closest to the Earth is known as the perigee.