Orbital elements of SL-8 R/B
| Launched | 15 June 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18121 |
| 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 05:11:25 | 74.0099 | 0.01316 | 11.0444 | 163.0257 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 12 17:57 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 01:42:24 | 74.0095 | 0.01318 | 12.0676 | 180.3733 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:44:43 | 74.0084 | 0.01319 | 12.5905 | 189.2141 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 07:02:12 | 74.0077 | 0.01320 | 12.9757 | 195.7330 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 07:02:12 | 74.0077 | 0.01320 | 12.9757 | 195.7330 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 07:02:12 | 74.0077 | 0.01320 | 12.9757 | 195.7330 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 07:02:12 | 74.0077 | 0.01320 | 12.9757 | 195.7330 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 07:02:12 | 74.0077 | 0.01320 | 12.9757 | 195.7330 | 4.7695 | 12.22591 | 6.743 |
| 2025 Aug 22 17:56 | 2025 Aug 18 09:15:07 | 74.0069 | 0.01321 | 13.3892 | 202.7233 | 4.7695 | 12.22591 | 6.743 |