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

5-15-58

65°

30

<60,000

5%

<1.3

Explorer 3

March 1958

Pioneer 1

10-11-58

Earth impact

1

<1000

1%

3.7-7.0

Lunik 1

1-2-59

Solar orbit

1

<6,000

200γ

3-6

Explorer 6

8-7-59

47°

61

<20,000

3%

2-7.5

Lunik 2

9-12-59

Lunar impact

1.4°

<1,500

50γ

3-6

Vanguard 3

9-18-59

33°

85

10,000-60,000

<1.8

Pioneer 5

3-11-60

Solar orbit

50°

<1,000

0.05-5γ

5-9

Explorer 10

3-25-61

33°

2.2

30-5,000

1.8-7

Explorer 12

8-16-61

33°

112

±500

10γ

4-13.5

Alouette 1

9-29-62

80°

Still operating

60,000

0.3%

1.17

Explorer 14

10-3-62

33°

300

±250

5-16.5

International Cometary Explorer

August 12, 1978

Dynamics Explorer

August 3, 1981

Ørsted

2-23-99

96.4798°

Still operating

THEMIS

Double Star Mission

Cluster mission

IMAGE

Polar

WIND

GEOTAIL

Ion Release Module

Charge Composition Explorer

Notes

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