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 |
| 2026 May 17 17:57 | 2026 May 16 13:56:01 | 11.9018 | 0.00241 | 22.1113 | 145.7250 | 225.6587 | 1.03432 | – |
| 2026 May 16 17:56 | 2026 May 16 13:56:01 | 11.9018 | 0.00241 | 22.1113 | 145.7250 | 225.6587 | 1.03432 | – |
| 2026 May 15 17:57 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 14 17:58 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 13 17:58 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 12 17:58 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 11 17:56 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 10 17:57 | 2026 May 09 19:00:25 | 11.9096 | 0.00240 | 22.1149 | 145.5649 | 225.6587 | 1.03432 | – |
| 2026 May 09 17:57 | 2026 May 05 12:10:01 | 11.9146 | 0.00239 | 22.1171 | 145.5045 | 225.6587 | 1.03432 | – |
| 2026 May 08 17:57 | 2026 May 05 12:10:01 | 11.9146 | 0.00239 | 22.1171 | 145.5045 | 225.6587 | 1.03432 | – |
| 2026 May 07 17:58 | 2026 May 05 12:10:01 | 11.9146 | 0.00239 | 22.1171 | 145.5045 | 225.6587 | 1.03432 | – |
| 2026 May 06 17:57 | 2026 May 05 12:10:01 | 11.9146 | 0.00239 | 22.1171 | 145.5045 | 225.6587 | 1.03432 | – |
| 2026 May 05 17:57 | 2026 May 05 12:10:01 | 11.9146 | 0.00239 | 22.1171 | 145.5045 | 225.6587 | 1.03432 | – |
| 2026 May 04 17:57 | 2026 Apr 30 13:46:04 | 11.9205 | 0.00239 | 22.1196 | 145.3284 | 225.6587 | 1.03432 | – |
| 2026 May 03 17:57 | 2026 Apr 30 13:46:04 | 11.9205 | 0.00239 | 22.1196 | 145.3284 | 225.6587 | 1.03432 | – |
| 2026 May 02 17:57 | 2026 Apr 30 13:46:04 | 11.9205 | 0.00239 | 22.1196 | 145.3284 | 225.6587 | 1.03432 | – |
| 2026 May 01 17:56 | 2026 Apr 30 13:46:04 | 11.9205 | 0.00239 | 22.1196 | 145.3284 | 225.6587 | 1.03432 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 13:46:04 | 11.9205 | 0.00239 | 22.1196 | 145.3284 | 225.6587 | 1.03432 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 06:50:17 | 11.9276 | 0.00239 | 22.1229 | 145.0220 | 225.6587 | 1.03432 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:21:38 | 11.9330 | 0.00238 | 22.1254 | 144.7967 | 225.6587 | 1.03432 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:21:38 | 11.9330 | 0.00238 | 22.1254 | 144.7967 | 225.6587 | 1.03432 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:21:38 | 11.9330 | 0.00238 | 22.1254 | 144.7967 | 225.6587 | 1.03432 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 11:21:38 | 11.9330 | 0.00238 | 22.1254 | 144.7967 | 225.6587 | 1.03432 | – |