Vehicle Description
Each craft was identical, with an on-orbit dry mass of 146 kg. They were spin-stabilized 0.94 m diameter × 0.81 m tall cylinders with a 1.8 m long magnetometer boom and solar panels mounted around the body.
The main antenna was a high-gain directional antenna. The spacecraft were spin-stabilized at about 1 Hz, and the spin axis was perpendicular to the ecliptic plane and pointed toward the south ecliptic pole.
Instruments:
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Read more about this topic: Pioneer 6, 7, 8, And 9
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