Orbital elements of SL-8 R/B
| Launched | 15 December 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10521 |
| 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 Nov 03 18:57 | 2025 Nov 02 10:56:39 | 74.0281 | 0.00209 | 23.9750 | 343.1444 | 16.9015 | 14.42279 | 4.743 |
| 2025 Nov 02 18:57 | 2025 Oct 29 12:03:21 | 74.0287 | 0.00207 | 0.4641 | 351.3763 | 16.9015 | 14.42279 | 4.743 |
| 2025 Nov 01 18:58 | 2025 Oct 29 12:03:21 | 74.0287 | 0.00207 | 0.4641 | 351.3763 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 31 18:57 | 2025 Oct 29 12:03:21 | 74.0287 | 0.00207 | 0.4641 | 351.3763 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 30 18:57 | 2025 Oct 29 12:03:21 | 74.0287 | 0.00207 | 0.4641 | 351.3763 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 29 18:57 | 2025 Oct 29 12:03:21 | 74.0287 | 0.00207 | 0.4641 | 351.3763 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 28 18:57 | 2025 Oct 23 22:52:45 | 74.0292 | 0.00205 | 1.1505 | 3.0475 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 27 18:57 | 2025 Oct 23 22:52:45 | 74.0292 | 0.00205 | 1.1505 | 3.0475 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 26 18:57 | 2025 Oct 23 22:52:45 | 74.0292 | 0.00205 | 1.1505 | 3.0475 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 25 17:57 | 2025 Oct 23 22:52:45 | 74.0292 | 0.00205 | 1.1505 | 3.0475 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 24 17:57 | 2025 Oct 23 22:52:45 | 74.0292 | 0.00205 | 1.1505 | 3.0475 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 22 17:56 | 2025 Oct 18 06:22:21 | 74.0289 | 0.00202 | 1.8540 | 15.1442 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 21 17:56 | 2025 Oct 18 06:22:21 | 74.0289 | 0.00202 | 1.8540 | 15.1442 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 20 17:56 | 2025 Oct 18 06:22:21 | 74.0289 | 0.00202 | 1.8540 | 15.1442 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 19 17:56 | 2025 Oct 18 06:22:21 | 74.0289 | 0.00202 | 1.8540 | 15.1442 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:22:21 | 74.0289 | 0.00202 | 1.8540 | 15.1442 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 12:20:25 | 74.0272 | 0.00198 | 3.1839 | 38.4885 | 16.9015 | 14.42279 | 4.743 |