Orbital elements of SL-8 DEB
| Launched | 22 June 1987 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 18131 | 
| 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 11:09:26 | 82.9138 | 0.00300 | 8.0086 | 215.9449 | 173.1395 | 13.75245 | – | 
| 2025 Nov 02 18:57 | 2025 Oct 28 06:09:49 | 82.9140 | 0.00297 | 8.2669 | 230.8949 | 173.1395 | 13.75245 | – | 
| 2025 Nov 01 18:58 | 2025 Oct 28 06:09:49 | 82.9140 | 0.00297 | 8.2669 | 230.8949 | 173.1395 | 13.75245 | – | 
| 2025 Oct 31 18:57 | 2025 Oct 28 06:09:49 | 82.9140 | 0.00297 | 8.2669 | 230.8949 | 173.1395 | 13.75245 | – | 
| 2025 Oct 30 18:57 | 2025 Oct 28 06:09:49 | 82.9140 | 0.00297 | 8.2669 | 230.8949 | 173.1395 | 13.75245 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 28 06:09:49 | 82.9140 | 0.00297 | 8.2669 | 230.8949 | 173.1395 | 13.75245 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 00:20:13 | 82.9145 | 0.00296 | 8.5269 | 246.0769 | 173.1395 | 13.75245 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 00:20:13 | 82.9145 | 0.00296 | 8.5269 | 246.0769 | 173.1395 | 13.75245 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 00:20:13 | 82.9145 | 0.00296 | 8.5269 | 246.0769 | 173.1395 | 13.75245 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 00:20:13 | 82.9145 | 0.00296 | 8.5269 | 246.0769 | 173.1395 | 13.75245 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 00:20:13 | 82.9145 | 0.00296 | 8.5269 | 246.0769 | 173.1395 | 13.75245 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 17 23:51:45 | 82.9150 | 0.00295 | 8.7758 | 260.7104 | 173.1395 | 13.75245 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 17 23:51:45 | 82.9150 | 0.00295 | 8.7758 | 260.7104 | 173.1395 | 13.75245 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 17 23:51:45 | 82.9150 | 0.00295 | 8.7758 | 260.7104 | 173.1395 | 13.75245 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 17 23:51:45 | 82.9150 | 0.00295 | 8.7758 | 260.7104 | 173.1395 | 13.75245 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 17 23:51:45 | 82.9150 | 0.00295 | 8.7758 | 260.7104 | 173.1395 | 13.75245 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 07 09:02:12 | 82.9167 | 0.00297 | 9.3023 | 291.6664 | 173.1395 | 13.75245 | – |