1972-007A
E-8-5 No. 408 (Luna-20) was launched on 1972 Feb 14. Luna-20 landed near the crater Apollonius C.
Detailed landing times are from declassified US documents.
The return capsule landed in a blizzard, 40 km north of Dzezhkazgan, on an island off the Karkingir river, at 48 00N 67 34E.
| Luna-20 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1972 Feb 14 | 0327:59 | Launch by Proton-K | KB |
| 0330:06 | Stage 2 burn | ||
| 0330:06 | Stage 1 MECO 41 km | ||
| 0331:20 | T+3:20 Fairing 80 km | ||
| T+5:38 St 2 MECO | |||
| T+5:45 St 3 MES | |||
| T+7:26 Alt. 150 km | |||
| T+9:40 St 3 MECO | |||
| 0337:48 | T+9:49 Stage 3 sep | ||
| 0341:57 | T+13:58 Blok D burn | ||
| 0343:56 | T+15:57 Blok D MECO | 151 x 279 x 51.47 | |
| 0434 | T+1:06:30 SOZ burn | ||
| 0437:50 | T+1:09:51 MES-2 | ||
| 0445 | Asc node | ||
| 0445:40 | T+1:17? MECO-2 | ||
| 0445:40 | T+1:17:41 Blok D sep | ||
| 1972 Feb 15 | 1128:00 | TCM 2.5s 1.25m/s | |
| 1972 Feb 18 | 1208:56 | LOI burn 237s | |
| 1212:53 | Lunar orbit insertion | 117.6 80 x 106 x 64.6 | |
1972 Feb 19 | 1308:34 | TCM 4s Lower perigee | 114.2 25 x 100 x 64.1 |
| 1972 Feb 21 | 1913:27 | Retro (burn 4:27) | |
| 1917:52 | Retro off | ||
| 1918:31 | Retro burn 2 at 760m | ||
| 1918:48 | Retro off, verniers on | ||
| 1918:55 | Landed 56 33 E 3 32 N | ||
| 1930? | Drill activated | ||
| 2142 | Drilling complete | ||
| 1972 Feb 21 | 2315 | Drill test | |
| Luna-20 VA | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1972 Feb 22 | 2258:14 | Launch, 49s burn | |
| 2259:03 | Engine cutoff | ||
| 1972 Feb 23 | 1214? | Leave lunar sphere | |
| 1972 Feb 25 | 1640? | Capsule sep, alt. 43511 km | |
| 1972 Feb 25 | 1902:01 | Reentry | |
| 1972 Feb 25 | 1912 | Landed 48 N 67 34E | |
No comments:
Post a Comment