This Timeline of artificial
satellite
A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope ...
s and
Space probe
A space probe is an artificial satellite that travels through space to collect scientific data. A space probe may orbit Earth; approach the Moon; travel through interplanetary space; flyby, orbit, or land or fly on other planetary bodies; or ent ...
s includes uncrewed Spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from each country are included. Not included are most
Earth science satellites,
commercial satellites or
crewed missions.
Timeline
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
References
External links
Current and Upcoming LaunchesMissions-NASAUnmanned spaceflight discussion forum
{{Space exploration lists and timelines
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Artificial satellites and space probes
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