No, it does not.
3
Orbiting planet Jupiter
The different artificial satellites launched are Low Earth Orbiting Satellites for Remote sensing, Medium Earth Orbiting Satellites like GPS , Geo Stationary Orbiting Satellites for Communication and Molnia Satellites again for Communication. These are the different artificial Satellite orbiting the Planet Earth.
90000
there is no satellites orbiting Saturn
Old satellites orbiting near the Earth eventually fall back into the atmosphere and burn. Satellites orbiting farther away stay in orbit indefinitely.
Ganymede and Callisto
There are over 1000 operational satellites orbiting the Earth, and probably 10,000 pieces of "space junk" also orbiting the Earth.
Jupiter has 60 satellites but its largest ones are io europa callisto and ganymede
yes
the termosphere
Yes there are enough gravitational forces to keep the satellites orbiting earth.