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 |
| 2026 Mar 24 18:56 | 2026 Mar 20 12:37:21 | 74.0338 | 0.00153 | 1.0836 | 212.6158 | 147.3947 | 12.51924 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 12:37:21 | 74.0338 | 0.00153 | 1.0836 | 212.6158 | 147.3947 | 12.51924 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 12:37:21 | 74.0338 | 0.00153 | 1.0836 | 212.6158 | 147.3947 | 12.51924 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 12:37:21 | 74.0338 | 0.00153 | 1.0836 | 212.6158 | 147.3947 | 12.51924 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 12:37:21 | 74.0338 | 0.00153 | 1.0836 | 212.6158 | 147.3947 | 12.51924 | – |
| 2026 Mar 19 18:56 | 2026 Mar 15 13:43:32 | 74.0331 | 0.00154 | 1.5240 | 220.0035 | 147.3947 | 12.51924 | – |
| 2026 Mar 18 18:56 | 2026 Mar 15 13:43:32 | 74.0331 | 0.00154 | 1.5240 | 220.0035 | 147.3947 | 12.51924 | – |
| 2026 Mar 17 18:56 | 2026 Mar 15 13:43:32 | 74.0331 | 0.00154 | 1.5240 | 220.0035 | 147.3947 | 12.51924 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 13:43:32 | 74.0331 | 0.00154 | 1.5240 | 220.0035 | 147.3947 | 12.51924 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:43:32 | 74.0331 | 0.00154 | 1.5240 | 220.0035 | 147.3947 | 12.51924 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 07:09:28 | 74.0321 | 0.00155 | 1.9928 | 227.7395 | 147.3947 | 12.51924 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 07:09:28 | 74.0321 | 0.00155 | 1.9928 | 227.7395 | 147.3947 | 12.51924 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 07:09:28 | 74.0321 | 0.00155 | 1.9928 | 227.7395 | 147.3947 | 12.51924 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 07:09:28 | 74.0321 | 0.00155 | 1.9928 | 227.7395 | 147.3947 | 12.51924 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 07:09:28 | 74.0321 | 0.00155 | 1.9928 | 227.7395 | 147.3947 | 12.51924 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 15:00:06 | 74.0308 | 0.00156 | 2.4972 | 236.0231 | 147.3947 | 12.51924 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:15:25 | 74.0295 | 0.00157 | 3.0372 | 244.8470 | 147.3947 | 12.51924 | – |