Pioneer 6, 7, 8, and 9
Space probes in the Pioneer program, launched between 1965 and 1969 / From Wikipedia, the free encyclopedia
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Pioneer 6, 7, 8, and 9 were space probes in the Pioneer program, launched between 1965 and 1969. They were a series of solar-orbiting, spin-stabilized, solar cell- and battery-powered satellites designed to obtain measurements on a continuing basis of interplanetary phenomena from widely separated points in space.[5] They were also known as Pioneer A, B, C, and D. The fifth (Pioneer E) was lost in a launch accident, and therefore did not receive a numerical designation.
Quick Facts Mission type, Operator ...
Mission type | Interplanetary space |
---|---|
Operator | NASA |
COSPAR ID |
|
Mission duration | Pioneer 6: 58 years, 5 months and 7 days (elapsed) Pioneer 7: 57 years, 9 months and 5 days (elapsed) Pioneer 8: 56 years, 5 months and 9 days (elapsed) Pioneer 9: 18 years, 1 month and 23 days (final) |
Spacecraft properties | |
Manufacturer | TRW |
Launch mass | |
Power | 79 W |
Start of mission | |
Launch date | |
Rocket | Delta-E |
Launch site | Cape Canaveral, LC-17A |
Orbital parameters | |
Reference system | Heliocentric |
Perihelion altitude | between 0.75 to 1 AU |
Aphelion altitude | between 0.99 to 1.2 AU |
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