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 May 09 17:57 | 2025 May 09 00:25:24 | 74.0264 | 0.00204 | 21.9231 | 356.5159 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 08 17:56 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 07 17:56 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 06 17:57 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 05 17:56 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 04 17:57 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 03 17:57 | 2025 May 03 14:33:55 | 74.0270 | 0.00202 | 22.5924 | 7.8881 | 3.5851 | 14.42158 | 4.743 |
| 2025 May 01 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 30 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 29 17:57 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 27 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 26 17:57 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 25 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 24 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 22 17:56 | 2025 Apr 22 03:51:51 | 74.0286 | 0.00198 | 0.0080 | 32.3162 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 21 17:57 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 20 17:56 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 19 17:56 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 18 17:57 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 17 17:56 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 16 17:57 | 2025 Apr 15 22:01:33 | 74.0291 | 0.00195 | 0.7801 | 45.7591 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 15 17:56 | 2025 Apr 11 04:48:51 | 74.0292 | 0.00194 | 1.3634 | 56.1203 | 3.5851 | 14.42158 | 4.743 |
| 2025 Apr 14 17:56 | 2025 Apr 11 04:48:51 | 74.0292 | 0.00194 | 1.3634 | 56.1203 | 3.5851 | 14.42158 | 4.743 |