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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.
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
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Version 1.2, November 2002 Copyright (C) 2000,2001,2002Free Software Foundation, Inc. 51 Franklin St, Fifth Floor,Boston, MA 02110-1301 USA Everyone is permitted to copy anddistribute verbatim copies of this license document, but changingit is not allowed.

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