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 Oct 24 17:57 | 2025 Oct 23 22:38:39 | 74.0308 | 0.00141 | 14.2048 | 72.4285 | 287.8305 | 12.51921 | – |
| 2025 Oct 22 17:56 | 2025 Oct 18 06:29:16 | 74.0304 | 0.00140 | 14.7091 | 81.3950 | 287.8305 | 12.51921 | – |
| 2025 Oct 21 17:56 | 2025 Oct 18 06:29:16 | 74.0304 | 0.00140 | 14.7091 | 81.3950 | 287.8305 | 12.51921 | – |
| 2025 Oct 20 17:56 | 2025 Oct 18 06:29:16 | 74.0304 | 0.00140 | 14.7091 | 81.3950 | 287.8305 | 12.51921 | – |
| 2025 Oct 19 17:56 | 2025 Oct 18 06:29:16 | 74.0304 | 0.00140 | 14.7091 | 81.3950 | 287.8305 | 12.51921 | – |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:29:16 | 74.0304 | 0.00140 | 14.7091 | 81.3950 | 287.8305 | 12.51921 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 13:30:59 | 74.0288 | 0.00140 | 15.6610 | 98.3706 | 287.8305 | 12.51921 | – |
| 2025 Oct 05 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Oct 04 17:57 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Oct 03 17:57 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Oct 02 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Sep 30 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Sep 29 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Sep 28 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |
| 2025 Sep 27 17:56 | 2025 Sep 26 03:17:08 | 74.0271 | 0.00140 | 16.6770 | 116.5835 | 287.8305 | 12.51921 | – |