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 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1971 Sep 2 | 1340:40 | Launch by Proton-K | KB |
| 1350 | Stage 3 sep | ||
| 1354? | MES-1 | ||
| 1356:28 | MECO-1 | 191 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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