Orbital elements of SL-8 R/B
| Launched | 27 October 1977 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 10461 | 
| 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 10:35:57 | 82.9469 | 0.00321 | 17.4111 | 221.0422 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Nov 02 18:57 | 2025 Oct 29 10:42:23 | 82.9464 | 0.00320 | 17.6090 | 232.6254 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Nov 01 18:58 | 2025 Oct 29 10:42:23 | 82.9464 | 0.00320 | 17.6090 | 232.6254 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 31 18:57 | 2025 Oct 29 10:42:23 | 82.9464 | 0.00320 | 17.6090 | 232.6254 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 30 18:57 | 2025 Oct 29 10:42:23 | 82.9464 | 0.00320 | 17.6090 | 232.6254 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 29 18:57 | 2025 Oct 29 10:42:23 | 82.9464 | 0.00320 | 17.6090 | 232.6254 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 28 18:57 | 2025 Oct 23 23:37:07 | 82.9454 | 0.00318 | 17.8796 | 248.5080 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 27 18:57 | 2025 Oct 23 23:37:07 | 82.9454 | 0.00318 | 17.8796 | 248.5080 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 26 18:57 | 2025 Oct 23 23:37:07 | 82.9454 | 0.00318 | 17.8796 | 248.5080 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 25 17:57 | 2025 Oct 23 23:37:07 | 82.9454 | 0.00318 | 17.8796 | 248.5080 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 24 17:57 | 2025 Oct 23 23:37:07 | 82.9454 | 0.00318 | 17.8796 | 248.5080 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 22 17:56 | 2025 Oct 18 07:51:40 | 82.9448 | 0.00317 | 18.1599 | 265.0198 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 21 17:56 | 2025 Oct 18 07:51:40 | 82.9448 | 0.00317 | 18.1599 | 265.0198 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 20 17:56 | 2025 Oct 18 07:51:40 | 82.9448 | 0.00317 | 18.1599 | 265.0198 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 19 17:56 | 2025 Oct 18 07:51:40 | 82.9448 | 0.00317 | 18.1599 | 265.0198 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 18 17:56 | 2025 Oct 18 07:51:40 | 82.9448 | 0.00317 | 18.1599 | 265.0198 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 17 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 16 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 15 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 14 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 12 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 11 17:57 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 09 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 08 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 | 
| 2025 Oct 07 17:56 | 2025 Oct 07 12:02:00 | 82.9444 | 0.00319 | 18.6964 | 296.6073 | 258.1657 | 13.77113 | 5.243 |