Orbital elements of COSMOS 2125
| Launched | 11 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21100 |
| 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 Jan 19 18:57 | 2026 Jan 16 12:29:32 | 74.0290 | 0.00093 | 10.7981 | 64.6498 | 1.2655 | 12.49964 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 12:29:32 | 74.0290 | 0.00093 | 10.7981 | 64.6498 | 1.2655 | 12.49964 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 12:29:32 | 74.0290 | 0.00093 | 10.7981 | 64.6498 | 1.2655 | 12.49964 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 12:29:32 | 74.0290 | 0.00093 | 10.7981 | 64.6498 | 1.2655 | 12.49964 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 13:25:20 | 74.0282 | 0.00093 | 11.2375 | 72.6806 | 1.2655 | 12.49964 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 13:25:20 | 74.0282 | 0.00093 | 11.2375 | 72.6806 | 1.2655 | 12.49964 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 13:25:20 | 74.0282 | 0.00093 | 11.2375 | 72.6806 | 1.2655 | 12.49964 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 04:57:50 | 74.0276 | 0.00093 | 11.7117 | 81.3291 | 1.2655 | 12.49964 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 04:57:50 | 74.0276 | 0.00093 | 11.7117 | 81.3291 | 1.2655 | 12.49964 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 04:57:50 | 74.0276 | 0.00093 | 11.7117 | 81.3291 | 1.2655 | 12.49964 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 04:57:50 | 74.0276 | 0.00093 | 11.7117 | 81.3291 | 1.2655 | 12.49964 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 04:57:50 | 74.0276 | 0.00093 | 11.7117 | 81.3291 | 1.2655 | 12.49964 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:17:21 | 74.0271 | 0.00093 | 12.2087 | 90.4354 | 1.2655 | 12.49964 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:17:21 | 74.0271 | 0.00093 | 12.2087 | 90.4354 | 1.2655 | 12.49964 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:17:21 | 74.0271 | 0.00093 | 12.2087 | 90.4354 | 1.2655 | 12.49964 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:17:21 | 74.0271 | 0.00093 | 12.2087 | 90.4354 | 1.2655 | 12.49964 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:17:21 | 74.0271 | 0.00093 | 12.2087 | 90.4354 | 1.2655 | 12.49964 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 06:10:00 | 74.0268 | 0.00093 | 12.6816 | 99.0526 | 1.2655 | 12.49964 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 06:10:00 | 74.0268 | 0.00093 | 12.6816 | 99.0526 | 1.2655 | 12.49964 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 06:10:00 | 74.0268 | 0.00093 | 12.6816 | 99.0526 | 1.2655 | 12.49964 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 06:10:00 | 74.0268 | 0.00093 | 12.6816 | 99.0526 | 1.2655 | 12.49964 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 06:10:00 | 74.0268 | 0.00093 | 12.6816 | 99.0526 | 1.2655 | 12.49964 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 02:13:31 | 74.0272 | 0.00094 | 13.2277 | 109.0851 | 1.2655 | 12.49964 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 02:13:31 | 74.0272 | 0.00094 | 13.2277 | 109.0851 | 1.2655 | 12.49964 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 02:13:31 | 74.0272 | 0.00094 | 13.2277 | 109.0851 | 1.2655 | 12.49964 | – |