1 History
1.1 Early conceptions
1.2 History of artificial satellites
2 Space Surveillance Network
3 Non-military satellite services
3.1 Fixed satellite services
3.2 Mobile satellite systems
3.3 Scientific research satellites (commercial and noncommercial)
4 Types
5 Orbit types
5.1 Centric classifications
5.2 Altitude classifications
5.3 Inclination classifications
5.4 Eccentricity classifications
5.5 Synchronous classifications
5.6 Special classifications
5.7 Pseudo-orbit classifications
6 Satellite subsystems
6.1 Spacecraft bus or service module
6.2 Communication payload
7 End of life
8 Launch-capable countries
8.1 Attempted first launches
8.2 Other notes
8.3 Launch capable private entities
9 First satellites of countries
9.1 Attempted first satellite
9.2 Planned first satellites
10 Attacks on satellites
10.1 Jamming
11 Satellite services
12 See also
13 References
14 External links