Zond 1
Soviet spacecraft launched in 1964 to explore Venus / From Wikipedia, the free encyclopedia
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Zond 1 was a spacecraft of the Soviet Zond program. It was the second Soviet research spacecraft to reach Venus, although communications had failed by that time. It carried a 90-centimetre (35 in) spherical landing capsule, containing experiments for chemical analysis of the atmosphere, gamma-ray measurements of surface rocks, a photometer, temperature and pressure gauges, and a motion/rocking sensor in case it landed in water. An experimental Ion thruster was also carried for evaluation.
Quick Facts Names, Mission type ...
Names | Zond 3MV-1 No. 4 |
---|---|
Mission type | Venus lander |
Operator | OKB-1 |
COSPAR ID | 1964-016D |
SATCAT no. | 00785 |
Mission duration | 1 month and 21 days |
Spacecraft properties | |
Bus | 3MV-1 |
Launch mass | 890 kg (1,960 lb) |
Dry mass | 290 kilograms (640 lb) |
Dimensions | 3.6 m (12 ft) tall 1.1 m (3 ft 7 in) diameter |
Start of mission | |
Launch date | April 2, 1964, 02:40; 60 years ago (April 2, 1964, 02:40) |
Rocket | Molniya 8K78M |
Launch site | Baikonur LC-1/5 |
End of mission | |
Last contact | May 24, 1964 (1964-05-24) |
Orbital parameters | |
Reference system | Heliocentric |
Perihelion altitude | 0.652 AU |
Aphelion altitude | 1.001 AU |
Inclination | 3.7° |
Period | 274 days |
Flyby of Venus | |
Closest approach | July 19, 1964 |
Distance | 100,000 km (62,000 mi) |
← program started |
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