Orbital elements of SL-8 R/B
| Launched | 27 November 1975 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 8459 | 
| 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 Oct 30 18:57 | 2025 Oct 30 06:49:07 | 74.0599 | 0.00152 | 17.2522 | 17.7524 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 29 18:57 | 2025 Oct 29 07:26:43 | 74.0598 | 0.00151 | 17.3716 | 19.8371 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 28 18:57 | 2025 Oct 27 22:03:16 | 74.0596 | 0.00151 | 17.5422 | 22.8124 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 27 18:57 | 2025 Oct 27 08:41:53 | 74.0595 | 0.00151 | 17.6105 | 23.9723 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 26 18:57 | 2025 Oct 26 09:19:28 | 74.0594 | 0.00150 | 17.7299 | 26.0677 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 25 17:57 | 2025 Oct 25 08:16:53 | 74.0592 | 0.00150 | 17.8579 | 28.2920 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 24 17:57 | 2025 Oct 23 22:53:26 | 74.0591 | 0.00149 | 18.0285 | 31.3097 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 22 17:56 | 2025 Oct 22 05:09:07 | 74.0589 | 0.00149 | 18.2418 | 35.0561 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 21 17:56 | 2025 Oct 20 23:06:00 | 74.0588 | 0.00148 | 18.3953 | 37.8552 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 20 17:56 | 2025 Oct 20 06:24:17 | 74.0589 | 0.00148 | 18.4806 | 39.3785 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 19 17:56 | 2025 Oct 19 07:01:51 | 74.0587 | 0.00148 | 18.6001 | 41.4853 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 18 17:56 | 2025 Oct 18 07:39:26 | 74.0587 | 0.00147 | 18.7195 | 43.6216 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 17 17:56 | 2025 Oct 17 03:16:30 | 74.0587 | 0.00147 | 18.8645 | 46.2178 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 16 17:56 | 2025 Oct 16 02:13:54 | 74.0587 | 0.00146 | 18.9925 | 48.5287 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 15 17:56 | 2025 Oct 14 10:09:44 | 74.0588 | 0.00146 | 19.1972 | 52.2373 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 14 17:56 | 2025 Oct 13 17:28:01 | 74.0588 | 0.00146 | 19.2825 | 53.7654 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 12 17:56 | 2025 Oct 12 06:24:22 | 74.0590 | 0.00146 | 19.4617 | 56.9961 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 11 17:57 | 2025 Oct 11 07:01:57 | 74.0590 | 0.00145 | 19.5811 | 59.1580 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 09 17:56 | 2025 Oct 09 04:56:44 | 74.0593 | 0.00145 | 19.8371 | 63.9044 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 08 17:56 | 2025 Oct 08 12:15:00 | 74.0594 | 0.00145 | 19.9224 | 65.4549 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 07 17:56 | 2025 Oct 07 07:52:03 | 74.0596 | 0.00145 | 20.0674 | 68.1173 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 05 17:56 | 2025 Oct 05 10:47:22 | 74.0600 | 0.00144 | 20.2977 | 72.4322 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 04 17:57 | 2025 Oct 04 11:24:56 | 74.0601 | 0.00144 | 20.4171 | 74.6057 | 342.4157 | 14.38103 | 5.743 | 
| 2025 Oct 03 17:57 | 2025 Oct 03 07:01:59 | 74.0604 | 0.00144 | 20.5622 | 77.2797 | 342.4157 | 14.38103 | 5.743 |