AstronautAtlas
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Program archive
Earth orbit
Earth orbit is explored here through 44 archived missions, from OSO-1 through XPoSat, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
- Missions
- 44
- People
- 0
- Vehicles
- 44
Explore this program
Choose a path through the Earth orbit archive.
Earth orbit timeline
44 flights. One complete program record.
Follow every archived flight from the earliest development test through the program’s latest flown mission, with its defining milestones and mission hardware connected along the way.
Every Earth orbit program record
All 44 flown and non-flight archive records arranged chronologically.
Launch corridor
44 flights and tests compressed into 3 expandable arcs.
- Arc 01Ignition1962–1968 · 18 records
- Arc 02On orbit1969–2014 · 19 records
- Arc 03Final approach2015–2024 · 7 records
Flight arc 01IgnitionOSO-1 → OAO-21962–1968 · 18 records1962–1968
18 records
March 7, 1962OSO-1001
July 10, 1962Telstar 1002
December 13, 1962Relay 1003
February 14, 1963Syncom 1004
May 7, 1963Telstar 2005
July 26, 1963Syncom 2006
January 21, 1964Relay 2007
August 19, 1964Syncom 3008
February 3, 1965OSO-2009
April 6, 1965Intelsat I010
April 8, 1966OAO-1011
December 7, 1966ATS-1012
March 8, 1967OSO-3013
April 6, 1967ATS-2014
October 18, 1967OSO-4015
November 5, 1967ATS-3016
August 10, 1968ATS-4017
December 7, 1968OAO-2018
Flight arc 02On orbitOSO-5 → Global Precipitation Measurement1969–2014 · 19 records1969–2014
19 records
January 22, 1969OSO-5019
August 9, 1969OSO-6020
August 12, 1969ATS-5021
November 30, 1970OAO-B022
December 12, 1970SAS-1023
September 29, 1971OSO-7024
August 21, 1972OAO-3025
November 15, 1972SAS-2026
May 30, 1974ATS-6027
May 7, 1975SAS-3028
June 21, 1975OSO-8029
1989Hipparcos030
1997TRMM031
2002Envisat032
March 17, 2002GRACE033
2006Hinode034
2013IRIS035
2014Sentinel-1036
February 27, 2014Global Precipitation Measurement037
