Saturday, March 10, 2007

Luna 18

  1971-073A


After Lunokhod 1, the E-8 program tried to repeat the sample return success of Luna-16 with E-8-5 No. 407 (Luna-18). However, the spacecraft crash-landed on the lunar surface during the second descent burn.


Luna-18 
 

DateTimeEventOrbit  

1971 Sep 2  1340:40  Launch by Proton-K  KB 
 1350  Stage 3 sep 
 1354? MES-1 
 1356:28  MECO-1191 x 243 x 51.57 
 1451:19 MES-2 
 1459:00  MECO-2 
 1503?  Blok D sep 
1971 Sep 3  2140:41 TCM 2s 
1971 Sep 5  2240:41 TCM 2s 
1971 Sep 6  2306:29 LOI burn 241s 
 2310:30 Lunar orbit insertion  117.8 73 x 125 x 35.2 
1971 Sep 9  0323?  Rev 27 16.8m/s orbit correction  121.4 90 x 184 x 35.7 
1971 Sep 10  0736?  Lower perigee 30.7m/s  114.7 15 x 119 x 35.4 
1971 Sep 11  0742? Aux tanks sep 
1971 Sep 11  0742:21  Retrofire 
 0742:28  Pitchover 
 0746:42  Retro off, coast 
 0747:10  Retro-2 
1971 Sep 11  0747:16  Impact 3 34N 56 30E 

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May 13,2026

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