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 Jun 30 17:56 | 2025 Jun 28 00:07:11 | 74.0311 | 0.00151 | 0.6907 | 251.6467 | 108.2943 | 12.51918 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 00:07:11 | 74.0311 | 0.00151 | 0.6907 | 251.6467 | 108.2943 | 12.51918 | – |
| 2025 Jun 28 17:56 | 2025 Jun 28 00:07:11 | 74.0311 | 0.00151 | 0.6907 | 251.6467 | 108.2943 | 12.51918 | – |
| 2025 Jun 27 17:56 | 2025 Jun 22 13:42:58 | 74.0311 | 0.00151 | 1.1739 | 259.5417 | 108.2943 | 12.51918 | – |
| 2025 Jun 26 17:56 | 2025 Jun 22 13:42:58 | 74.0311 | 0.00151 | 1.1739 | 259.5417 | 108.2943 | 12.51918 | – |
| 2025 Jun 25 17:56 | 2025 Jun 22 13:42:58 | 74.0311 | 0.00151 | 1.1739 | 259.5417 | 108.2943 | 12.51918 | – |
| 2025 Jun 24 17:56 | 2025 Jun 22 13:42:58 | 74.0311 | 0.00151 | 1.1739 | 259.5417 | 108.2943 | 12.51918 | – |
| 2025 Jun 23 17:56 | 2025 Jun 22 13:42:58 | 74.0311 | 0.00151 | 1.1739 | 259.5417 | 108.2943 | 12.51918 | – |
| 2025 Jun 22 17:56 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 21 17:56 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 20 17:57 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 19 17:56 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 18 17:56 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 17 17:56 | 2025 Jun 16 21:33:34 | 74.0315 | 0.00151 | 1.6783 | 267.7121 | 108.2943 | 12.51918 | – |
| 2025 Jun 16 17:56 | 2025 Jun 11 22:39:43 | 74.0318 | 0.00152 | 2.1188 | 275.0299 | 108.2943 | 12.51918 | – |
| 2025 Jun 15 17:56 | 2025 Jun 11 22:39:43 | 74.0318 | 0.00152 | 2.1188 | 275.0299 | 108.2943 | 12.51918 | – |
| 2025 Jun 14 17:56 | 2025 Jun 11 22:39:43 | 74.0318 | 0.00152 | 2.1188 | 275.0299 | 108.2943 | 12.51918 | – |
| 2025 Jun 13 17:56 | 2025 Jun 11 22:39:43 | 74.0318 | 0.00152 | 2.1188 | 275.0299 | 108.2943 | 12.51918 | – |
| 2025 Jun 12 17:56 | 2025 Jun 11 22:39:43 | 74.0318 | 0.00152 | 2.1188 | 275.0299 | 108.2943 | 12.51918 | – |
| 2025 Jun 11 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 10 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 09 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 08 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 07 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 17:04:53 | 74.0321 | 0.00151 | 2.6729 | 284.1130 | 108.2943 | 12.51918 | – |
| 2025 Jun 05 17:56 | 2025 Jun 01 09:31:32 | 74.0323 | 0.00151 | 3.0565 | 290.3648 | 108.2943 | 12.51918 | – |
| 2025 Jun 04 17:57 | 2025 Jun 01 09:31:32 | 74.0323 | 0.00151 | 3.0565 | 290.3648 | 108.2943 | 12.51918 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 09:31:32 | 74.0323 | 0.00151 | 3.0565 | 290.3648 | 108.2943 | 12.51918 | – |