Orbital elements of SL-6 R/B(2)
| Launched | 21 March 1991 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 21199 | 
| 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 Oct 30 20:37:15 | 64.4678 | 0.65293 | 11.0570 | 254.7502 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 27 18:57 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 26 18:57 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 25 17:57 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 24 17:57 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 22 17:56 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 21 17:56 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 20 17:56 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 19 17:56 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 18 17:56 | 2025 Oct 13 20:31:45 | 64.4657 | 0.65224 | 11.1633 | 254.9800 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 17 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 16 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 15 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 14 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 12 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 11 17:57 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 09 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 08 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 | 
| 2025 Oct 07 17:56 | 2025 Oct 03 15:40:13 | 64.4658 | 0.65179 | 11.2270 | 255.1186 | 28.9847 | 2.05828 | 5.743 |