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 Jul 03 17:57 | 2026 Jun 29 12:35:01 | 74.0290 | 0.00144 | 16.1040 | 56.7022 | 303.5404 | 12.51926 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 12:35:01 | 74.0290 | 0.00144 | 16.1040 | 56.7022 | 303.5404 | 12.51926 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 12:35:01 | 74.0290 | 0.00144 | 16.1040 | 56.7022 | 303.5404 | 12.51926 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 12:35:01 | 74.0290 | 0.00144 | 16.1040 | 56.7022 | 303.5404 | 12.51926 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 12:35:01 | 74.0290 | 0.00144 | 16.1040 | 56.7022 | 303.5404 | 12.51926 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 15:39:45 | 74.0298 | 0.00143 | 16.7149 | 67.5150 | 303.5404 | 12.51926 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 12:55:50 | 74.0304 | 0.00143 | 17.1695 | 75.5898 | 303.5404 | 12.51926 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:21:47 | 74.0305 | 0.00144 | 17.6384 | 83.8727 | 303.5404 | 12.51926 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:21:47 | 74.0305 | 0.00144 | 17.6384 | 83.8727 | 303.5404 | 12.51926 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:21:47 | 74.0305 | 0.00144 | 17.6384 | 83.8727 | 303.5404 | 12.51926 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:21:47 | 74.0305 | 0.00144 | 17.6384 | 83.8727 | 303.5404 | 12.51926 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:21:47 | 74.0305 | 0.00144 | 17.6384 | 83.8727 | 303.5404 | 12.51926 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 01:42:48 | 74.0307 | 0.00144 | 18.1001 | 91.9981 | 303.5404 | 12.51926 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 01:42:48 | 74.0307 | 0.00144 | 18.1001 | 91.9981 | 303.5404 | 12.51926 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 01:42:48 | 74.0307 | 0.00144 | 18.1001 | 91.9981 | 303.5404 | 12.51926 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 01:42:48 | 74.0307 | 0.00144 | 18.1001 | 91.9981 | 303.5404 | 12.51926 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 01:42:48 | 74.0307 | 0.00144 | 18.1001 | 91.9981 | 303.5404 | 12.51926 | – |
| 2026 Jun 06 17:56 | 2026 May 31 10:32:42 | 74.0304 | 0.00144 | 18.6898 | 102.3711 | 303.5404 | 12.51926 | – |