Orbital elements of COSMOS 2128
| Launched | 11 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21103 |
| 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 24 18:56 | 2025 Dec 20 13:18:04 | 74.0286 | 0.00151 | 9.0832 | 343.9636 | 16.0938 | 12.51922 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 13:18:04 | 74.0286 | 0.00151 | 9.0832 | 343.9636 | 16.0938 | 12.51922 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 13:18:04 | 74.0286 | 0.00151 | 9.0832 | 343.9636 | 16.0938 | 12.51922 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 13:18:04 | 74.0286 | 0.00151 | 9.0832 | 343.9636 | 16.0938 | 12.51922 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 13:18:04 | 74.0286 | 0.00151 | 9.0832 | 343.9636 | 16.0938 | 12.51922 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 22:11:25 | 74.0276 | 0.00149 | 9.8504 | 356.9382 | 16.0938 | 12.51922 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:02:48 | 74.0274 | 0.00148 | 10.2695 | 4.0838 | 16.0938 | 12.51922 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:02:48 | 74.0274 | 0.00148 | 10.2695 | 4.0838 | 16.0938 | 12.51922 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:02:48 | 74.0274 | 0.00148 | 10.2695 | 4.0838 | 16.0938 | 12.51922 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:02:48 | 74.0274 | 0.00148 | 10.2695 | 4.0838 | 16.0938 | 12.51922 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:02:48 | 74.0274 | 0.00148 | 10.2695 | 4.0838 | 16.0938 | 12.51922 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:54:10 | 74.0272 | 0.00147 | 10.6887 | 11.3064 | 16.0938 | 12.51922 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:54:10 | 74.0272 | 0.00147 | 10.6887 | 11.3064 | 16.0938 | 12.51922 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:54:10 | 74.0272 | 0.00147 | 10.6887 | 11.3064 | 16.0938 | 12.51922 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:54:10 | 74.0272 | 0.00147 | 10.6887 | 11.3064 | 16.0938 | 12.51922 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:54:10 | 74.0272 | 0.00147 | 10.6887 | 11.3064 | 16.0938 | 12.51922 | – |
| 2025 Nov 30 18:57 | 2025 Nov 24 23:38:23 | 74.0275 | 0.00146 | 11.3564 | 22.8175 | 16.0938 | 12.51922 | – |
| 2025 Nov 29 18:56 | 2025 Nov 24 23:38:23 | 74.0275 | 0.00146 | 11.3564 | 22.8175 | 16.0938 | 12.51922 | – |
| 2025 Nov 28 18:57 | 2025 Nov 24 23:38:23 | 74.0275 | 0.00146 | 11.3564 | 22.8175 | 16.0938 | 12.51922 | – |
| 2025 Nov 27 18:57 | 2025 Nov 24 23:38:23 | 74.0275 | 0.00146 | 11.3564 | 22.8175 | 16.0938 | 12.51922 | – |