Satellite

Satellite
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This article is about artificial satellites. For natural satellites, also known as moons, see Natural satellite. For other uses, see Satellite (disambiguation).

A full size model of the Earth observation satellite ERS 2

In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavor. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon.
Contents

1 History
2 History of artificial satellites
3 Space Surveillance Network
4 Non-Military Satellite Services
4.1 Fixed Satellite Service
4.2 Mobile Satellite Systems
4.3 Scientific Research Satellite (commercial and noncommercial)
5 Types
6 Orbit types
6.1 Centric classifications
6.2 Altitude classifications
6.3 Inclination classifications
6.4 Eccentricity classifications
6.5 Synchronous classifications
6.6 Special classifications
6.7 Pseudo-orbit classifications
7 Satellite Modules
7.1 Spacecraft bus or service module
7.2 Communication Payload
8 Launch-capable countries - space powers
9 Attacks on satellites
9.1 Jamming
10 Satellite Services
11 See also
12 References
13 External links

Retrieved from http://en.wikipedia.org/wiki/Satellite

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