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 Dec 14 18:56 | 2025 Dec 11 21:44:05 | 12.0801 | 0.00238 | 22.1933 | 146.3636 | 217.0069 | 1.03431 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 21:44:05 | 12.0801 | 0.00238 | 22.1933 | 146.3636 | 217.0069 | 1.03431 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 21:44:05 | 12.0801 | 0.00238 | 22.1933 | 146.3636 | 217.0069 | 1.03431 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:39:38 | 12.0856 | 0.00240 | 22.1958 | 146.3559 | 217.0069 | 1.03431 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:39:38 | 12.0856 | 0.00240 | 22.1958 | 146.3559 | 217.0069 | 1.03431 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:39:38 | 12.0856 | 0.00240 | 22.1958 | 146.3559 | 217.0069 | 1.03431 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:39:38 | 12.0856 | 0.00240 | 22.1958 | 146.3559 | 217.0069 | 1.03431 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:39:38 | 12.0856 | 0.00240 | 22.1958 | 146.3559 | 217.0069 | 1.03431 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 06:04:39 | 12.0913 | 0.00240 | 22.1984 | 146.3589 | 217.0069 | 1.03431 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 06:04:39 | 12.0913 | 0.00240 | 22.1984 | 146.3589 | 217.0069 | 1.03431 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 06:04:39 | 12.0913 | 0.00240 | 22.1984 | 146.3589 | 217.0069 | 1.03431 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 06:04:39 | 12.0913 | 0.00240 | 22.1984 | 146.3589 | 217.0069 | 1.03431 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 06:04:39 | 12.0913 | 0.00240 | 22.1984 | 146.3589 | 217.0069 | 1.03431 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:03:09 | 12.0993 | 0.00241 | 22.2020 | 146.5580 | 217.0069 | 1.03431 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:03:47 | 12.1056 | 0.00242 | 22.2047 | 146.7422 | 217.0069 | 1.03431 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:03:47 | 12.1056 | 0.00242 | 22.2047 | 146.7422 | 217.0069 | 1.03431 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:03:47 | 12.1056 | 0.00242 | 22.2047 | 146.7422 | 217.0069 | 1.03431 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:03:47 | 12.1056 | 0.00242 | 22.2047 | 146.7422 | 217.0069 | 1.03431 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:02:20 | 12.1192 | 0.00246 | 22.2107 | 146.4891 | 217.0069 | 1.03431 | – |