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astronautix.com Luna Ye-8-5M

Luna 17
Luna 17 -

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Manufacturer's Designation: Ye-8-5M. Class: Planetary. Type: Lunar. Nation: USSR. Manufacturer: Lavochkin.

Lunar sample return. Conduct of further scientific investigation of the moon and circumlunar space.


Specification

Total Mass: 5,302 kg.


Luna Ye-8-5M Chronology


28 October 1974 Luna 23 Program: Luna. Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S824. Mass: 5,300 kg. Perigee: 17 km. Apogee: 105 km.

Failed lunar soil return mission. After successfully entering earth orbit, flying to the moon, entering lunar orbit, and descending toward the surface, the spacecraft was damaged during landing in Mare Crisium (Sea of Crises). The sample collecting apparatus could not operate and no samples were returned. The lander continued transmissions for three days after landing. In 1976, Luna 24 landed several hundred meters away and successfully returned samples. Parameters are for lunar orbit.


16 October 1975 Ye-8-5M s/n 412 Program: Luna. Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S824. FAILURE: Block D failure. Mass: 5,300 kg.

Attempted robotic lunar soil return mission. Block D stage failed.


09 August 1976 Luna 24 Program: Luna. Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S824M. Mass: 5,306 kg. Perigee: 115 km. Apogee: 115 km. Inclination: 120.0 deg.

Lunar Sample Return. Landed on Moon 18 Aug 1976 at 02:00:00 GMT, Latitude 12.25 N, Longitude 62.20 E - Mare Crisium (Sea of Crisis). The last of the Luna series of spacecraft, Luna 24 was the third Soviet mission to retrieve lunar ground samples (the first two were returned by Luna 16 and 20). The mission successfully returned 170 grams of lunar samples to the Earth on 22 August 1976.



Ye-8 Lunar LanderYe-8 Lunar Lander - Ye-8 robot lunar soil return spacecraft.

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Bibliography:



Ye-8 lunar probeYe-8 lunar probe - Ye-8 lunar sample return spacecraft - detail of drill and reentry vehicle

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Last update 12 March 2001.
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