Surveyor 4
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Surveyor 4 is the fourth lunar lander in the American uncrewed Surveyor program sent to explore the surface of the Moon. This spacecraft crashed after an otherwise flawless mission; telemetry contact was lost 2.5 minutes before touchdown. The planned landing target was Sinus Medii (Central Bay) at 0.4° north latitude and 1.33° west longitude.
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Quick Facts Mission type, Operator ...
Mission type | Lunar lander |
---|---|
Operator | NASA |
COSPAR ID | 1967-068A |
SATCAT no. | 02875 |
Mission duration | 62 hrs. 9 min. 1 sec. (launch to last contact) |
Spacecraft properties | |
Manufacturer | Hughes Aircraft |
Launch mass | 1,037.4 kg[1] |
Dry mass | 283 kilograms (624 lb)[2] |
Start of mission | |
Launch date | July 14, 1967, 11:53:29 (1967-07-14UTC11:53:29Z) UTC [1] |
Rocket | Atlas LV-3C Centaur-D AC-11 |
Launch site | Cape Canaveral LC-36A |
End of mission | |
Last contact | July 17, 1967, 02:02:30 (1967-07-17UTC02:02:31Z) UTC (approx) |
Lunar impact (failed landing) | |
Impact date | July 17, 1967, 02:05:00 UTC |
Impact site | 0.45°N 1.39°W / 0.45; -1.39 |
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Surveyor 6 successfully landed near the crash site of Surveyor 4 a few months later in November 1967.