List of satellites which have provided data on Earth's magnetosphere

Below is a list of satellites which have provided data on the Earth's magnetosphere.

Satellite	Launch Date	Inclination of orbital plane to Earth's equator	Lifetime (days)	Range (γ)	Sensitivity	Distance RE
Sputnik 3	March 15, 1958	65°	30	<60,000	5%	<1.3
Explorer 3	March 1958
Pioneer 1	October 11, 1958	Earth impact	1	<1000	1%	3.7-7.0
Lunik 1	January 2, 1959	Solar orbit	1	<6,000	200γ	3-6
Explorer 6	August 7, 1959	47°	61	<20,000	3%	2-7.5
Lunik 2	September 12, 1959	Lunar impact	1.4°	<1,500	50γ	3-6
Vanguard 3	September 18, 1959	33°	85	10,000-60,000	4γ	<1.8
Pioneer 5	March 11, 1960	Solar orbit	50°	<1,000	0.05-5γ	5-9
Explorer 10	March 25, 1961	33°	2.2	30-5,000	3γ	1.8-7
Explorer 12	August 16, 1961	33°	112	±500	10γ	4-13.5
Alouette 1	September 29, 1962	80°	Still operating	60,000	0.3%	1.17
Explorer 14	October 3, 1962	33°	300	±250	5γ	5-16.5
Denpa (REXS)	August 19, 1972
Kyokko (EXOS-A)	February 4, 1978
International Cometary Explorer	August 12, 1978
Jikiken (EXOS-B)	September 16, 1978
Dynamics Explorer	August 3, 1981
GEOTAIL	July 24, 1992		Still operating
WIND	November 1, 1994		Still operating
Ørsted	February 23, 1999	96.4798°	Still operating
IMAGE	March 25, 2000	90°	December, 2005			0.2-7.2
THEMIS	February 17, 2001	16°	Still operating
Double Star mission	December 29, 2003 & July 25, 2004
Cluster II (spacecraft) mission	July 16, 2000 and August 9, 2000	90° (then changed during mission operation)	Still operating			4-20
Polar
TWINS	June, 28 2006 and March, 13, 2008	63°	Still operating			0.2-6.5
Van Allen Probes	August 30, 2012		Still operating
Ion Release Module
Charge Composition Explorer
MMS	March 13, 2015		Still operating
ERG	2016

Notes

1γ = 10⁻⁵ oersted = Dynamic range of instrumentation

References