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 |
| 2026 Mar 14 18:56 | 2026 Mar 10 11:51:25 | 74.0256 | 0.00190 | 8.1341 | 76.6069 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 13 18:57 | 2026 Mar 10 11:51:25 | 74.0256 | 0.00190 | 8.1341 | 76.6069 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 12 18:57 | 2026 Mar 10 11:51:25 | 74.0256 | 0.00190 | 8.1341 | 76.6069 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 11 18:56 | 2026 Mar 10 11:51:25 | 74.0256 | 0.00190 | 8.1341 | 76.6069 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 10 18:56 | 2026 Mar 10 11:51:25 | 74.0256 | 0.00190 | 8.1341 | 76.6069 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 09 18:56 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 08 18:57 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 07 18:57 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 06 18:56 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 05 18:56 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 11:02:20 | 74.0265 | 0.00190 | 8.8807 | 90.1070 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 03 18:56 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 02 18:57 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |
| 2026 Mar 01 18:57 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |
| 2026 Feb 28 18:56 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |
| 2026 Feb 27 19:05 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |
| 2026 Feb 26 20:45 | 2026 Feb 26 10:13:14 | 74.0274 | 0.00191 | 9.6273 | 103.5624 | 283.7202 | 14.42395 | 4.743 |