Orbital elements of SL-12 R/B(2)
| Launched | 13 February 1991 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21129 |
| 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 Sep 12 17:57 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 02:35:38 | 13.3524 | 0.00194 | 22.9576 | 221.5806 | 139.5602 | 1.00138 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 02:35:38 | 13.3564 | 0.00193 | 22.9604 | 220.7977 | 139.5602 | 1.00138 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 02:20:13 | 13.3591 | 0.00192 | 22.9623 | 220.3293 | 139.5602 | 1.00138 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 02:20:13 | 13.3591 | 0.00192 | 22.9623 | 220.3293 | 139.5602 | 1.00138 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 02:20:13 | 13.3591 | 0.00192 | 22.9623 | 220.3293 | 139.5602 | 1.00138 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 02:20:13 | 13.3591 | 0.00192 | 22.9623 | 220.3293 | 139.5602 | 1.00138 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 02:20:13 | 13.3591 | 0.00192 | 22.9623 | 220.3293 | 139.5602 | 1.00138 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 02:26:38 | 13.3622 | 0.00190 | 22.9647 | 219.9827 | 139.5602 | 1.00138 | – |
| 2025 Aug 20 17:56 | 2025 Aug 18 02:26:38 | 13.3622 | 0.00190 | 22.9647 | 219.9827 | 139.5602 | 1.00138 | – |
| 2025 Aug 19 17:56 | 2025 Aug 18 02:26:38 | 13.3622 | 0.00190 | 22.9647 | 219.9827 | 139.5602 | 1.00138 | – |
| 2025 Aug 18 17:56 | 2025 Aug 18 02:26:38 | 13.3622 | 0.00190 | 22.9647 | 219.9827 | 139.5602 | 1.00138 | – |