Orbital elements of SL-8 R/B
| Launched | 15 April 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21231 |
| 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 13 18:56 | 2025 Dec 12 05:56:42 | 82.9517 | 0.00346 | 22.1230 | 205.2777 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:56:42 | 82.9517 | 0.00346 | 22.1230 | 205.2777 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:32:21 | 82.9513 | 0.00344 | 22.3710 | 219.6417 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:32:21 | 82.9513 | 0.00344 | 22.3710 | 219.6417 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:32:21 | 82.9513 | 0.00344 | 22.3710 | 219.6417 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:32:21 | 82.9513 | 0.00344 | 22.3710 | 219.6417 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:32:21 | 82.9513 | 0.00344 | 22.3710 | 219.6417 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:36:36 | 82.9515 | 0.00342 | 22.6036 | 233.1120 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:36:36 | 82.9515 | 0.00342 | 22.6036 | 233.1120 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:36:36 | 82.9515 | 0.00342 | 22.6036 | 233.1120 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:36:36 | 82.9515 | 0.00342 | 22.6036 | 233.1120 | 165.1738 | 13.76102 | 5.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:36:36 | 82.9515 | 0.00342 | 22.6036 | 233.1120 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:19:48 | 82.9519 | 0.00339 | 22.9522 | 253.5006 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:42:11 | 82.9525 | 0.00339 | 23.2151 | 268.9140 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:42:11 | 82.9525 | 0.00339 | 23.2151 | 268.9140 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:42:11 | 82.9525 | 0.00339 | 23.2151 | 268.9140 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:42:11 | 82.9525 | 0.00339 | 23.2151 | 268.9140 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:41:17 | 82.9540 | 0.00341 | 23.7854 | 302.4408 | 165.1738 | 13.76102 | 5.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 14:41:17 | 82.9540 | 0.00341 | 23.7854 | 302.4408 | 165.1738 | 13.76102 | 5.243 |