Orbital elements of COSMOS 2123 & RS-12/13
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21089 |
| 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 Jun 24 17:55 | 2026 Jun 22 17:37:30 | 82.9236 | 0.00278 | 22.2114 | 292.3501 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 23 17:56 | 2026 Jun 22 17:37:30 | 82.9236 | 0.00278 | 22.2114 | 292.3501 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 22 17:56 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 21 17:57 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 20 17:56 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 19 17:57 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 18 17:56 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 17 17:57 | 2026 Jun 17 12:05:02 | 82.9232 | 0.00280 | 22.4705 | 307.5708 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:55:02 | 82.9230 | 0.00282 | 22.7288 | 322.6385 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:55:02 | 82.9230 | 0.00282 | 22.7288 | 322.6385 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:55:02 | 82.9230 | 0.00282 | 22.7288 | 322.6385 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:55:02 | 82.9230 | 0.00282 | 22.7288 | 322.6385 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:55:02 | 82.9230 | 0.00282 | 22.7288 | 322.6385 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 11 17:57 | 2026 Jun 06 19:07:35 | 82.9231 | 0.00285 | 23.0008 | 338.3710 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 10 17:56 | 2026 Jun 06 19:07:35 | 82.9231 | 0.00285 | 23.0008 | 338.3710 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 09 17:57 | 2026 Jun 06 19:07:35 | 82.9231 | 0.00285 | 23.0008 | 338.3710 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 08 17:56 | 2026 Jun 06 19:07:35 | 82.9231 | 0.00285 | 23.0008 | 338.3710 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 07 17:56 | 2026 Jun 06 19:07:35 | 82.9231 | 0.00285 | 23.0008 | 338.3710 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 06 17:56 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 05 17:56 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 04 17:57 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 02 17:56 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 Jun 01 17:57 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 May 31 17:58 | 2026 May 31 13:00:10 | 82.9233 | 0.00290 | 23.3106 | 355.9993 | 78.0458 | 13.74893 | 6.243 |
| 2026 May 30 17:57 | 2026 May 26 02:26:45 | 82.9236 | 0.00294 | 23.5800 | 11.0901 | 78.0458 | 13.74893 | 6.243 |
| 2026 May 29 17:57 | 2026 May 26 02:26:45 | 82.9236 | 0.00294 | 23.5800 | 11.0901 | 78.0458 | 13.74893 | 6.243 |
| 2026 May 28 17:56 | 2026 May 26 02:26:45 | 82.9236 | 0.00294 | 23.5800 | 11.0901 | 78.0458 | 13.74893 | 6.243 |