Orbital elements of SL-8 R/B
| Launched | 28 January 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21088 |
| 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 15 17:56 | 2025 Sep 15 01:12:04 | 82.9409 | 0.00230 | 20.0473 | 163.8084 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 14 17:56 | 2025 Sep 13 22:05:54 | 82.9411 | 0.00229 | 20.1033 | 166.9159 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 12 17:57 | 2025 Sep 11 15:48:07 | 82.9416 | 0.00227 | 20.2156 | 173.1573 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 11 17:57 | 2025 Sep 10 20:52:51 | 82.9418 | 0.00227 | 20.2547 | 175.3561 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 10 17:56 | 2025 Sep 10 02:42:08 | 82.9420 | 0.00226 | 20.2922 | 177.4536 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 08 17:57 | 2025 Sep 08 05:35:15 | 82.9425 | 0.00225 | 20.3855 | 182.7095 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 07 17:56 | 2025 Sep 07 06:57:50 | 82.9426 | 0.00224 | 20.4322 | 185.3654 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 06 20:41 | 2025 Sep 06 06:32:22 | 82.9428 | 0.00224 | 20.4827 | 188.2708 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 03:20:43 | 82.9434 | 0.00221 | 20.6381 | 197.0858 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 02 17:56 | 2025 Sep 02 04:39:04 | 82.9436 | 0.00221 | 20.6850 | 199.8130 | 205.2687 | 13.77471 | 4.743 |
| 2025 Sep 01 17:56 | 2025 Sep 01 06:13:08 | 82.9436 | 0.00220 | 20.7313 | 202.4822 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 31 17:56 | 2025 Aug 31 05:49:48 | 82.9438 | 0.00220 | 20.7817 | 205.3603 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 30 17:56 | 2025 Aug 30 03:27:33 | 82.9439 | 0.00219 | 20.8362 | 208.4949 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 29 17:56 | 2025 Aug 29 06:44:44 | 82.9441 | 0.00218 | 20.8790 | 210.9487 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:25:18 | 82.9444 | 0.00218 | 20.9540 | 215.3345 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 27 17:56 | 2025 Aug 27 04:04:06 | 82.9445 | 0.00217 | 20.9837 | 217.0479 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 26 17:56 | 2025 Aug 25 17:35:59 | 82.9448 | 0.00216 | 21.0549 | 221.2128 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 25 17:56 | 2025 Aug 24 18:56:51 | 82.9449 | 0.00216 | 21.1017 | 223.9701 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 17:01:03 | 82.9450 | 0.00215 | 21.1553 | 227.1004 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 23 17:56 | 2025 Aug 20 19:03:16 | 82.9453 | 0.00214 | 21.2998 | 235.6877 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 22 17:56 | 2025 Aug 20 19:03:16 | 82.9453 | 0.00214 | 21.2998 | 235.6877 | 205.2687 | 13.77471 | 4.743 |
| 2025 Aug 20 17:56 | 2025 Aug 19 18:38:24 | 82.9454 | 0.00213 | 21.3502 | 238.6941 | 205.2687 | 13.77471 | 4.743 |