Orbital elements of COSMOS 921 DEB
| Launched | 23 June 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 39690 |
| 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 14 22:58:47 | 75.8178 | 0.00173 | 9.9226 | 138.7666 | 221.4863 | 15.44747 | – |
| 2025 Sep 12 17:57 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 11 17:57 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 10 17:56 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 08 17:57 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 07 17:56 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 06 20:41 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 03 17:57 | 2025 Sep 01 13:07:35 | 75.8185 | 0.00176 | 11.6546 | 174.5313 | 221.4863 | 15.44747 | – |
| 2025 Sep 02 17:56 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Sep 01 17:56 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Aug 31 17:56 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Aug 30 17:56 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Aug 29 17:56 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Aug 28 17:57 | 2025 Aug 25 14:39:57 | 75.8188 | 0.00174 | 12.5492 | 193.3194 | 221.4863 | 15.44747 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 07:18:27 | 75.8184 | 0.00173 | 12.9755 | 202.3433 | 221.4863 | 15.44747 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 07:18:27 | 75.8184 | 0.00173 | 12.9755 | 202.3433 | 221.4863 | 15.44747 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 07:18:27 | 75.8184 | 0.00173 | 12.9755 | 202.3433 | 221.4863 | 15.44747 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 07:18:27 | 75.8184 | 0.00173 | 12.9755 | 202.3433 | 221.4863 | 15.44747 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 07:18:27 | 75.8184 | 0.00173 | 12.9755 | 202.3433 | 221.4863 | 15.44747 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 08:22:41 | 75.8176 | 0.00173 | 13.4853 | 213.4254 | 221.4863 | 15.44747 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 08:22:41 | 75.8176 | 0.00173 | 13.4853 | 213.4254 | 221.4863 | 15.44747 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 08:22:41 | 75.8176 | 0.00173 | 13.4853 | 213.4254 | 221.4863 | 15.44747 | – |