Orbital elements of SL-8 R/B
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21090 |
| 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 05:24:58 | 82.9238 | 0.00192 | 10.3449 | 254.5623 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 12 17:57 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 00:21:43 | 82.9246 | 0.00193 | 10.9511 | 291.1549 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:50:05 | 82.9244 | 0.00196 | 11.2541 | 309.2323 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:11:43 | 82.9239 | 0.00198 | 11.4850 | 322.8667 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:11:43 | 82.9239 | 0.00198 | 11.4850 | 322.8667 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:11:43 | 82.9239 | 0.00198 | 11.4850 | 322.8667 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:11:43 | 82.9239 | 0.00198 | 11.4850 | 322.8667 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:11:43 | 82.9239 | 0.00198 | 11.4850 | 322.8667 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:51:22 | 82.9235 | 0.00201 | 11.7484 | 338.1225 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:51:22 | 82.9235 | 0.00201 | 11.7484 | 338.1225 | 105.3411 | 13.76632 | 4.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:51:22 | 82.9235 | 0.00201 | 11.7484 | 338.1225 | 105.3411 | 13.76632 | 4.743 |