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 Dec 03 18:56 | 2025 Dec 02 09:29:18 | 74.0291 | 0.00095 | 14.7953 | 137.6047 | 338.7677 | 12.49963 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:29:18 | 74.0291 | 0.00095 | 14.7953 | 137.6047 | 338.7677 | 12.49963 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 04:49:46 | 74.0299 | 0.00096 | 15.4325 | 149.0288 | 338.7677 | 12.49963 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:31:33 | 74.0299 | 0.00097 | 15.8728 | 156.8336 | 338.7677 | 12.49963 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:31:33 | 74.0299 | 0.00097 | 15.8728 | 156.8336 | 338.7677 | 12.49963 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:31:33 | 74.0299 | 0.00097 | 15.8728 | 156.8336 | 338.7677 | 12.49963 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:31:33 | 74.0299 | 0.00097 | 15.8728 | 156.8336 | 338.7677 | 12.49963 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 15 18:57 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 13 18:56 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 12 18:57 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 11 18:55 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 10 18:57 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 09 18:57 | 2025 Nov 08 20:20:26 | 74.0292 | 0.00099 | 16.8811 | 174.5669 | 338.7677 | 12.49963 | – |
| 2025 Nov 08 18:56 | 2025 Nov 02 05:19:40 | 74.0284 | 0.00100 | 17.4681 | 184.7054 | 338.7677 | 12.49963 | – |
| 2025 Nov 07 18:57 | 2025 Nov 02 05:19:40 | 74.0284 | 0.00100 | 17.4681 | 184.7054 | 338.7677 | 12.49963 | – |