Orbital elements of SL-12 R/B(2)
| Launched | 27 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 | 21135 |
| 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 07 17:56 | 2025 Sep 02 11:39:36 | 12.1945 | 0.00256 | 22.2462 | 144.5431 | 265.9425 | 1.03432 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 11:39:36 | 12.1945 | 0.00256 | 22.2462 | 144.5431 | 265.9425 | 1.03432 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 11:39:36 | 12.1945 | 0.00256 | 22.2462 | 144.5431 | 265.9425 | 1.03432 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 13:06:43 | 12.2011 | 0.00257 | 22.2494 | 144.2299 | 265.9425 | 1.03432 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 18:22:39 | 12.2075 | 0.00259 | 22.2525 | 143.8424 | 265.9425 | 1.03432 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 18:22:39 | 12.2075 | 0.00259 | 22.2525 | 143.8424 | 265.9425 | 1.03432 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 18:22:39 | 12.2075 | 0.00259 | 22.2525 | 143.8424 | 265.9425 | 1.03432 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 18:22:39 | 12.2075 | 0.00259 | 22.2525 | 143.8424 | 265.9425 | 1.03432 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 18:22:39 | 12.2075 | 0.00259 | 22.2525 | 143.8424 | 265.9425 | 1.03432 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 20:58:38 | 12.2117 | 0.00259 | 22.2546 | 143.4959 | 265.9425 | 1.03432 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 20:58:38 | 12.2117 | 0.00259 | 22.2546 | 143.4959 | 265.9425 | 1.03432 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 20:58:38 | 12.2117 | 0.00259 | 22.2546 | 143.4959 | 265.9425 | 1.03432 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 20:58:38 | 12.2117 | 0.00259 | 22.2546 | 143.4959 | 265.9425 | 1.03432 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 01:42:38 | 12.2192 | 0.00259 | 22.2584 | 143.1250 | 265.9425 | 1.03432 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 01:42:38 | 12.2192 | 0.00259 | 22.2584 | 143.1250 | 265.9425 | 1.03432 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 01:42:38 | 12.2192 | 0.00259 | 22.2584 | 143.1250 | 265.9425 | 1.03432 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 01:42:38 | 12.2192 | 0.00259 | 22.2584 | 143.1250 | 265.9425 | 1.03432 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 01:42:38 | 12.2192 | 0.00259 | 22.2584 | 143.1250 | 265.9425 | 1.03432 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 07:49:35 | 12.2244 | 0.00259 | 22.2610 | 142.9128 | 265.9425 | 1.03432 | – |