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 |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 12:50:18 | 74.0279 | 0.00104 | 19.7441 | 222.3571 | 253.6452 | 12.49962 | – |
| 2025 Oct 05 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Oct 04 17:57 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Oct 03 17:57 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Oct 02 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 30 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 29 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 28 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 27 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 26 17:56 | 2025 Sep 26 05:44:36 | 74.0301 | 0.00105 | 20.7449 | 238.4118 | 253.6452 | 12.49962 | – |
| 2025 Sep 25 17:56 | 2025 Sep 20 03:34:49 | 74.0314 | 0.00106 | 21.2843 | 246.9730 | 253.6452 | 12.49962 | – |
| 2025 Sep 24 17:56 | 2025 Sep 20 03:34:49 | 74.0314 | 0.00106 | 21.2843 | 246.9730 | 253.6452 | 12.49962 | – |
| 2025 Sep 20 17:56 | 2025 Sep 20 03:34:49 | 74.0314 | 0.00106 | 21.2843 | 246.9730 | 253.6452 | 12.49962 | – |
| 2025 Sep 19 17:56 | 2025 Sep 15 04:29:57 | 74.0324 | 0.00106 | 21.7239 | 253.9558 | 253.6452 | 12.49962 | – |
| 2025 Sep 18 17:56 | 2025 Sep 15 04:29:57 | 74.0324 | 0.00106 | 21.7239 | 253.9558 | 253.6452 | 12.49962 | – |