Orbital elements of COSMOS 451
| Launched | 12 October 1971 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5554 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 May 10 17:57 | 2026 May 10 08:01:52 | 74.0281 | 0.00536 | 5.2479 | 298.0901 | 135.6050 | 12.34309 | – |
| 2026 May 09 17:57 | 2026 May 05 07:52:37 | 74.0272 | 0.00535 | 5.6786 | 305.3191 | 135.6050 | 12.34309 | – |
| 2026 May 08 17:57 | 2026 May 05 07:52:37 | 74.0272 | 0.00535 | 5.6786 | 305.3191 | 135.6050 | 12.34309 | – |
| 2026 May 07 17:58 | 2026 May 05 07:52:37 | 74.0272 | 0.00535 | 5.6786 | 305.3191 | 135.6050 | 12.34309 | – |
| 2026 May 06 17:57 | 2026 May 05 07:52:37 | 74.0272 | 0.00535 | 5.6786 | 305.3191 | 135.6050 | 12.34309 | – |
| 2026 May 05 17:57 | 2026 May 05 07:52:37 | 74.0272 | 0.00535 | 5.6786 | 305.3191 | 135.6050 | 12.34309 | – |
| 2026 May 04 17:57 | 2026 Apr 30 14:51:59 | 74.0263 | 0.00535 | 6.0837 | 312.1107 | 135.6050 | 12.34309 | – |
| 2026 May 03 17:57 | 2026 Apr 30 14:51:59 | 74.0263 | 0.00535 | 6.0837 | 312.1107 | 135.6050 | 12.34309 | – |
| 2026 May 02 17:57 | 2026 Apr 30 14:51:59 | 74.0263 | 0.00535 | 6.0837 | 312.1107 | 135.6050 | 12.34309 | – |
| 2026 May 01 17:56 | 2026 Apr 30 14:51:59 | 74.0263 | 0.00535 | 6.0837 | 312.1107 | 135.6050 | 12.34309 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:51:59 | 74.0263 | 0.00535 | 6.0837 | 312.1107 | 135.6050 | 12.34309 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 11:03:26 | 74.0253 | 0.00534 | 6.6136 | 321.0319 | 135.6050 | 12.34309 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 10:11:53 | 74.0249 | 0.00534 | 7.0469 | 328.3106 | 135.6050 | 12.34309 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 10:11:53 | 74.0249 | 0.00534 | 7.0469 | 328.3106 | 135.6050 | 12.34309 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 10:11:53 | 74.0249 | 0.00534 | 7.0469 | 328.3106 | 135.6050 | 12.34309 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 10:11:53 | 74.0249 | 0.00534 | 7.0469 | 328.3106 | 135.6050 | 12.34309 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 10:11:53 | 74.0249 | 0.00534 | 7.0469 | 328.3106 | 135.6050 | 12.34309 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 00:18:05 | 74.0246 | 0.00533 | 7.5987 | 337.6121 | 135.6050 | 12.34309 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 00:18:05 | 74.0246 | 0.00533 | 7.5987 | 337.6121 | 135.6050 | 12.34309 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 00:18:05 | 74.0246 | 0.00533 | 7.5987 | 337.6121 | 135.6050 | 12.34309 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 00:18:05 | 74.0246 | 0.00533 | 7.5987 | 337.6121 | 135.6050 | 12.34309 | – |