Satellite and Orbits Flashcards
1
Q
What is a Natural Satellite?
A
Natural object in orbit around a planet
2
Q
What is an artificial satellite?
A
Artificial object in orbit around a planet serving a purpose eg. communication
3
Q
What are the two types of orbit?
A
Geostationary orbit
Polar orbit
4
Q
What is a geostationary orbit?
A
24 hours (time for orbit)
36000km above earths surface
in fixed position above earths equator
use: communication, satellite tv
5
Q
What is a Polar Orbit?
A
2 hours for orbit
2000 km above earths surface
orbits over poles
use: military, weather, observation of earth