There are basically three types of orbits.
There are variations on these types. Visit related link below.
Geosynchronous
Molniya Orbit - geostationary orbit 37,000 km (22,300 miles) above the earth's equator.
geostationary andGeosynchronous satellites
The polar orbit so that it can measure cold and hot points around the entire earth :)
Ya MUM Ya DAD Ya SISTER Ya BROTHER Ya GRANDMOTHER Ya GRANDFATHER Ya AUNTY Ya UNCLE Ya NANA Ya POO Ya MUM