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 |
| 2025 Sep 15 17:56 | 2025 Sep 15 03:24:33 | 74.0314 | 0.00536 | 1.6538 | 284.7673 | 248.9033 | 12.34304 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:29:31 | 74.0289 | 0.00535 | 2.6787 | 302.0096 | 248.9033 | 12.34304 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:25:19 | 74.0278 | 0.00534 | 3.2239 | 311.1976 | 248.9033 | 12.34304 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:54:12 | 74.0271 | 0.00534 | 3.6201 | 317.8837 | 248.9033 | 12.34304 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:54:12 | 74.0271 | 0.00534 | 3.6201 | 317.8837 | 248.9033 | 12.34304 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:54:12 | 74.0271 | 0.00534 | 3.6201 | 317.8837 | 248.9033 | 12.34304 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:54:12 | 74.0271 | 0.00534 | 3.6201 | 317.8837 | 248.9033 | 12.34304 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:54:12 | 74.0271 | 0.00534 | 3.6201 | 317.8837 | 248.9033 | 12.34304 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 13:26:56 | 74.0266 | 0.00534 | 4.0269 | 324.7514 | 248.9033 | 12.34304 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 13:26:56 | 74.0266 | 0.00534 | 4.0269 | 324.7514 | 248.9033 | 12.34304 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 13:26:56 | 74.0266 | 0.00534 | 4.0269 | 324.7514 | 248.9033 | 12.34304 | – |