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 Jul 02 17:56 | 2025 Jun 28 14:04:50 | 74.0258 | 0.00216 | 15.6682 | 254.2043 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jul 01 17:56 | 2025 Jun 28 14:04:50 | 74.0258 | 0.00216 | 15.6682 | 254.2043 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 30 17:56 | 2025 Jun 28 14:04:50 | 74.0258 | 0.00216 | 15.6682 | 254.2043 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 14:04:50 | 74.0258 | 0.00216 | 15.6682 | 254.2043 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 14:04:50 | 74.0258 | 0.00216 | 15.6682 | 254.2043 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 04:13:31 | 74.0262 | 0.00216 | 16.3374 | 264.9754 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 04:13:31 | 74.0262 | 0.00216 | 16.3374 | 264.9754 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 04:13:31 | 74.0262 | 0.00216 | 16.3374 | 264.9754 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 04:13:31 | 74.0262 | 0.00216 | 16.3374 | 264.9754 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 04:13:31 | 74.0262 | 0.00216 | 16.3374 | 264.9754 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 22 17:56 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 21 17:56 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 20 17:57 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 19 17:56 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 18 17:56 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 17 17:56 | 2025 Jun 17 11:42:38 | 74.0268 | 0.00216 | 17.0410 | 276.3058 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 16 17:56 | 2025 Jun 11 17:31:51 | 74.0271 | 0.00215 | 17.7531 | 287.7835 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 15 17:56 | 2025 Jun 11 17:31:51 | 74.0271 | 0.00215 | 17.7531 | 287.7835 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 14 17:56 | 2025 Jun 11 17:31:51 | 74.0271 | 0.00215 | 17.7531 | 287.7835 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 13 17:56 | 2025 Jun 11 17:31:51 | 74.0271 | 0.00215 | 17.7531 | 287.7835 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 12 17:56 | 2025 Jun 11 17:31:51 | 74.0271 | 0.00215 | 17.7531 | 287.7835 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 11 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 10 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 09 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 08 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 07 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 06 17:56 | 2025 Jun 05 18:21:22 | 74.0268 | 0.00214 | 18.4909 | 299.7142 | 105.6735 | 14.42188 | 4.743 |
| 2025 Jun 05 17:56 | 2025 Jun 01 14:28:00 | 74.0267 | 0.00212 | 19.0057 | 308.1030 | 105.6735 | 14.42188 | 4.743 |