Orbital elements of COSMOS 2135
| Launched | 25 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21130 |
| 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 16 18:57 | 2026 Mar 15 13:04:43 | 82.8249 | 0.00670 | 19.1744 | 104.0479 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:04:43 | 82.8249 | 0.00670 | 19.1744 | 104.0479 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 12:54:20 | 82.8257 | 0.00669 | 19.4274 | 117.8132 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 12:54:20 | 82.8257 | 0.00669 | 19.4274 | 117.8132 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 12:54:20 | 82.8257 | 0.00669 | 19.4274 | 117.8132 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 12:54:20 | 82.8257 | 0.00669 | 19.4274 | 117.8132 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:54:20 | 82.8257 | 0.00669 | 19.4274 | 117.8132 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 03:38:27 | 82.8267 | 0.00666 | 19.7501 | 135.4030 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 15:16:32 | 82.8277 | 0.00663 | 20.0287 | 150.6446 | 256.8138 | 13.78793 | 6.243 |