Orbital elements of COSMOS 921
| Launched | 23 June 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10095 |
| 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 Dec 20 18:57 | 2025 Dec 20 11:02:26 | 75.8305 | 0.00352 | 9.9615 | 84.4579 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:40:11 | 75.8301 | 0.00352 | 10.9474 | 106.1527 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 11 18:56 | 2025 Dec 06 22:54:04 | 75.8304 | 0.00353 | 11.5807 | 120.1214 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 10 18:56 | 2025 Dec 06 22:54:04 | 75.8304 | 0.00353 | 11.5807 | 120.1214 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 09 18:56 | 2025 Dec 06 22:54:04 | 75.8304 | 0.00353 | 11.5807 | 120.1214 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 08 18:56 | 2025 Dec 06 22:54:04 | 75.8304 | 0.00353 | 11.5807 | 120.1214 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 07 18:56 | 2025 Dec 06 22:54:04 | 75.8304 | 0.00353 | 11.5807 | 120.1214 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 00:09:16 | 75.8304 | 0.00354 | 12.1738 | 133.1337 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 00:09:16 | 75.8304 | 0.00354 | 12.1738 | 133.1337 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 00:09:16 | 75.8304 | 0.00354 | 12.1738 | 133.1337 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 00:09:16 | 75.8304 | 0.00354 | 12.1738 | 133.1337 | 276.0626 | 14.96383 | 6.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 00:09:16 | 75.8304 | 0.00354 | 12.1738 | 133.1337 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 01:15:54 | 75.8311 | 0.00356 | 13.0073 | 151.2449 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 02:30:56 | 75.8316 | 0.00358 | 13.6004 | 164.1605 | 276.0626 | 14.96383 | 6.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 02:30:56 | 75.8316 | 0.00358 | 13.6004 | 164.1605 | 276.0626 | 14.96383 | 6.743 |