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 Apr 28 17:56 | 2026 Apr 24 11:40:53 | 74.0331 | 0.00105 | 2.1195 | 277.7316 | 196.6258 | 12.49966 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 11:40:53 | 74.0331 | 0.00105 | 2.1195 | 277.7316 | 196.6258 | 12.49966 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 11:40:53 | 74.0331 | 0.00105 | 2.1195 | 277.7316 | 196.6258 | 12.49966 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 11:40:53 | 74.0331 | 0.00105 | 2.1195 | 277.7316 | 196.6258 | 12.49966 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 11:40:53 | 74.0331 | 0.00105 | 2.1195 | 277.7316 | 196.6258 | 12.49966 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:57:33 | 74.0326 | 0.00105 | 2.5577 | 284.7278 | 196.6258 | 12.49966 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:57:33 | 74.0326 | 0.00105 | 2.5577 | 284.7278 | 196.6258 | 12.49966 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:57:33 | 74.0326 | 0.00105 | 2.5577 | 284.7278 | 196.6258 | 12.49966 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:57:33 | 74.0326 | 0.00105 | 2.5577 | 284.7278 | 196.6258 | 12.49966 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:57:33 | 74.0326 | 0.00105 | 2.5577 | 284.7278 | 196.6258 | 12.49966 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 07:04:15 | 74.0316 | 0.00105 | 3.1109 | 293.5049 | 196.6258 | 12.49966 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 07:04:15 | 74.0316 | 0.00105 | 3.1109 | 293.5049 | 196.6258 | 12.49966 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 07:04:15 | 74.0316 | 0.00105 | 3.1109 | 293.5049 | 196.6258 | 12.49966 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 07:04:15 | 74.0316 | 0.00105 | 3.1109 | 293.5049 | 196.6258 | 12.49966 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 07:54:35 | 74.0305 | 0.00105 | 3.5507 | 300.4791 | 196.6258 | 12.49966 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 07:54:35 | 74.0305 | 0.00105 | 3.5507 | 300.4791 | 196.6258 | 12.49966 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 07:54:35 | 74.0305 | 0.00105 | 3.5507 | 300.4791 | 196.6258 | 12.49966 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 07:54:35 | 74.0305 | 0.00105 | 3.5507 | 300.4791 | 196.6258 | 12.49966 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 07:54:35 | 74.0305 | 0.00105 | 3.5507 | 300.4791 | 196.6258 | 12.49966 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 07:39:08 | 74.0293 | 0.00104 | 4.0831 | 308.9152 | 196.6258 | 12.49966 | – |