EXPLORER 17 (S-6)
- EXPLORER 17 (S-6) EXPLORER 17 (S-6)
Object Name EXPLORER 17 (S-6)
Object Full Name -
Norad ID 564
Cospar ID 1963-009A
Object Type Satellite
Object Status Decayed
Object Class -
End of Life -

Explorer 17 was a spin-stabilized sphere 0.95 m in diameter. The spacecraft was vacuum sealed in order to prevent contamination of the local atmosphere. Explorer 17 carried four pressure gauges for the measurement of total neutral particle density, two mass spectrometers for the measurement of certain neutral particle concentrations, and two electrostatic probes for ion concentration and electron temperature measurements. Battery power failed on July 10, 1963. Three of the four pressure gauges and both electrostatic probes operated normally. One spectrometer malfunctioned, and the other operated intermittently.

Launch Date 1963-04-03
Decay Date 1966-11-24
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Launch Site Air Force Eastern Test Range, Florida, USA
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Country of Operator United States
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Orbit Status Earth Orbit
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Period: 87.9 min
Inclination: 57.6°
Apogee: 186.0 km
Perigee: 151.0 km
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