Pioneer Venus Multiprobe
Spacecraft
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The Pioneer Venus Multiprobe, also known as Pioneer Venus 2 or Pioneer 13, was a spacecraft launched in 1978 to explore Venus as part of NASA's Pioneer program. Wikipedia
Launch date: August 8, 1978
Cost: 150 million USD
Manufacturer: Hughes Aircraft Company
Aphelion altitude: 1.01 astronomical units (151,000,000 km; 94,000,000 mi)
Bus: HS-507
Dry mass: 290 kilograms (640 lb) (bus); 315 kilograms (694 lb) (large probe); 3 x 90 kilograms (200 lb) (small probes)
Last contact: December 9, 1978, 20:22:55 UTC (bus); December 9, 1978, 20:55:34 UTC (day probe)