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 Jun 12 17:56 | 2025 Jun 12 12:12:02 | 82.9311 | 0.03048 | 11.8488 | 30.8200 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 11 17:56 | 2025 Jun 11 12:10:54 | 82.9310 | 0.03050 | 11.9095 | 34.2464 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 10 17:56 | 2025 Jun 09 12:08:32 | 82.9317 | 0.03055 | 12.0309 | 41.0882 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 09 17:56 | 2025 Jun 08 18:31:38 | 82.9321 | 0.03055 | 12.0754 | 43.5904 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 08 17:56 | 2025 Jun 07 18:30:22 | 82.9326 | 0.03057 | 12.1361 | 46.9974 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 07 17:56 | 2025 Jun 06 18:29:03 | 82.9332 | 0.03059 | 12.1967 | 50.4003 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 13:39:27 | 82.9336 | 0.03061 | 12.2695 | 54.4829 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 05 17:56 | 2025 Jun 04 20:02:26 | 82.9340 | 0.03063 | 12.3140 | 56.9761 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 04 17:57 | 2025 Jun 04 02:25:24 | 82.9341 | 0.03064 | 12.3585 | 59.4658 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 03 17:57 | 2025 Jun 02 19:59:34 | 82.9335 | 0.03067 | 12.4353 | 63.7696 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 02 17:58 | 2025 Jun 01 19:58:03 | 82.9329 | 0.03071 | 12.4960 | 67.1772 | 331.0523 | 14.99749 | 4.743 |
| 2025 Jun 01 17:56 | 2025 Jun 01 11:57:32 | 82.9326 | 0.03071 | 12.5162 | 68.3128 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 31 17:56 | 2025 May 31 03:55:25 | 82.9323 | 0.03075 | 12.5970 | 72.8614 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 30 17:56 | 2025 May 30 03:53:46 | 82.9320 | 0.03076 | 12.6577 | 76.2678 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 29 17:56 | 2025 May 29 02:15:59 | 82.9324 | 0.03078 | 12.7224 | 79.8998 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 28 17:56 | 2025 May 27 19:49:48 | 82.9332 | 0.03079 | 12.7992 | 84.2142 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 27 17:57 | 2025 May 25 13:21:46 | 82.9343 | 0.03081 | 12.9366 | 91.9196 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 26 17:56 | 2025 May 25 13:21:46 | 82.9343 | 0.03081 | 12.9366 | 91.9196 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 25 17:56 | 2025 May 25 10:09:32 | 82.9344 | 0.03081 | 12.9447 | 92.3717 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 24 17:57 | 2025 May 24 10:07:42 | 82.9348 | 0.03082 | 13.0053 | 95.7647 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 23 17:56 | 2025 May 23 03:41:19 | 82.9347 | 0.03084 | 13.0821 | 100.0641 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 22 17:56 | 2025 May 22 03:39:24 | 82.9344 | 0.03086 | 13.1427 | 103.4651 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 21 17:56 | 2025 May 21 03:37:28 | 82.9341 | 0.03087 | 13.2033 | 106.8706 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 20 17:56 | 2025 May 20 03:35:28 | 82.9338 | 0.03089 | 13.2640 | 110.2857 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 19 17:56 | 2025 May 19 03:33:27 | 82.9336 | 0.03090 | 13.3246 | 113.6993 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 18 17:57 | 2025 May 17 21:06:49 | 82.9340 | 0.03090 | 13.4014 | 118.0203 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 17 17:57 | 2025 May 16 16:16:16 | 82.9345 | 0.03091 | 13.4741 | 122.1069 | 331.0523 | 14.99749 | 4.743 |
| 2025 May 16 17:56 | 2025 May 15 16:14:05 | 82.9349 | 0.03092 | 13.5347 | 125.5123 | 331.0523 | 14.99749 | 4.743 |