Orbital elements of SL-8 R/B
| Launched | 15 January 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12139 |
| 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 01 17:56 | 2025 Sep 01 02:38:16 | 82.9302 | 0.02969 | 6.9520 | 114.0611 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 31 17:56 | 2025 Aug 30 15:27:46 | 82.9304 | 0.02971 | 7.0412 | 119.0506 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 30 17:56 | 2025 Aug 30 02:40:16 | 82.9306 | 0.02971 | 7.0736 | 120.8564 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 29 17:56 | 2025 Aug 29 02:41:12 | 82.9305 | 0.02972 | 7.1344 | 124.2577 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:54:15 | 82.9305 | 0.02973 | 7.2074 | 128.3325 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 27 17:56 | 2025 Aug 27 01:06:59 | 82.9303 | 0.02973 | 7.2601 | 131.2782 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 26 17:56 | 2025 Aug 25 17:08:02 | 82.9301 | 0.02975 | 7.3412 | 135.8197 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 25 17:56 | 2025 Aug 24 21:56:37 | 82.9302 | 0.02976 | 7.3898 | 138.5513 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 21:57:20 | 82.9304 | 0.02977 | 7.4507 | 141.9748 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 23 17:56 | 2025 Aug 22 02:46:33 | 82.9311 | 0.02978 | 7.5601 | 148.1484 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 22 17:56 | 2025 Aug 20 21:59:18 | 82.9319 | 0.02978 | 7.6331 | 152.2623 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 20 17:56 | 2025 Aug 19 17:12:00 | 82.9323 | 0.02978 | 7.7061 | 156.3815 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 19 17:56 | 2025 Aug 18 22:00:27 | 82.9325 | 0.02977 | 7.7547 | 159.1210 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 18:49:03 | 82.9327 | 0.02977 | 7.8236 | 163.0040 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 16 17:56 | 2025 Aug 16 04:25:50 | 82.9327 | 0.02977 | 7.9209 | 168.4787 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 15 17:57 | 2025 Aug 14 15:38:32 | 82.9327 | 0.02976 | 8.0140 | 173.7227 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 14 17:56 | 2025 Aug 13 18:50:53 | 82.9328 | 0.02975 | 8.0667 | 176.6818 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 13 17:58 | 2025 Aug 12 17:15:18 | 82.9329 | 0.02975 | 8.1316 | 180.3272 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 12 17:56 | 2025 Aug 11 18:51:38 | 82.9331 | 0.02976 | 8.1883 | 183.5180 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 11 17:56 | 2025 Aug 10 23:39:54 | 82.9334 | 0.02976 | 8.2369 | 186.2570 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 10 17:57 | 2025 Aug 09 04:28:26 | 82.9338 | 0.02977 | 8.3463 | 192.4290 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 09 17:56 | 2025 Aug 09 04:28:26 | 82.9338 | 0.02977 | 8.3463 | 192.4290 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 08 17:56 | 2025 Aug 08 01:16:43 | 82.9339 | 0.02978 | 8.4152 | 196.3254 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 07 17:56 | 2025 Aug 06 22:04:59 | 82.9340 | 0.02978 | 8.4841 | 200.2291 | 249.1989 | 15.02069 | 4.743 |
| 2025 Aug 05 17:56 | 2025 Aug 04 22:05:23 | 82.9340 | 0.02978 | 8.6056 | 207.1251 | 249.1989 | 15.02069 | 4.743 |