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 Jun 29 17:57 | 2026 Jun 29 13:42:57 | 74.0293 | 0.00533 | 0.9259 | 225.3767 | 163.0784 | 12.34309 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 12:27:13 | 74.0294 | 0.00534 | 1.5327 | 235.6301 | 163.0784 | 12.34309 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 08:28:06 | 74.0296 | 0.00534 | 1.9772 | 243.1316 | 163.0784 | 12.34309 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 01:49:19 | 74.0299 | 0.00534 | 2.4312 | 250.7641 | 163.0784 | 12.34309 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 01:49:19 | 74.0299 | 0.00534 | 2.4312 | 250.7641 | 163.0784 | 12.34309 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 01:49:19 | 74.0299 | 0.00534 | 2.4312 | 250.7641 | 163.0784 | 12.34309 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 01:49:19 | 74.0299 | 0.00534 | 2.4312 | 250.7641 | 163.0784 | 12.34309 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 01:49:19 | 74.0299 | 0.00534 | 2.4312 | 250.7641 | 163.0784 | 12.34309 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 10:13:21 | 74.0302 | 0.00535 | 2.9173 | 258.9418 | 163.0784 | 12.34309 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 10:13:21 | 74.0302 | 0.00535 | 2.9173 | 258.9418 | 163.0784 | 12.34309 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 10:13:21 | 74.0302 | 0.00535 | 2.9173 | 258.9418 | 163.0784 | 12.34309 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 10:13:21 | 74.0302 | 0.00535 | 2.9173 | 258.9418 | 163.0784 | 12.34309 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 10:13:21 | 74.0302 | 0.00535 | 2.9173 | 258.9418 | 163.0784 | 12.34309 | – |
| 2026 Jun 06 17:56 | 2026 May 31 04:20:34 | 74.0303 | 0.00535 | 3.4545 | 267.9672 | 163.0784 | 12.34309 | – |
| 2026 Jun 05 17:56 | 2026 May 31 04:20:34 | 74.0303 | 0.00535 | 3.4545 | 267.9672 | 163.0784 | 12.34309 | – |
| 2026 Jun 04 17:57 | 2026 May 31 04:20:34 | 74.0303 | 0.00535 | 3.4545 | 267.9672 | 163.0784 | 12.34309 | – |
| 2026 Jun 02 17:56 | 2026 May 31 04:20:34 | 74.0303 | 0.00535 | 3.4545 | 267.9672 | 163.0784 | 12.34309 | – |