Orbital elements of COSMOS 839 DEB
| Launched | 7 July 1976 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 10446 | 
| 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 09:16:51 | 65.8853 | 0.06345 | 1.1574 | 157.9838 | 295.0120 | 12.16824 | – | 
| 2025 Nov 02 18:57 | 2025 Oct 29 12:40:26 | 65.8855 | 0.06348 | 1.6381 | 159.4556 | 295.0120 | 12.16824 | – | 
| 2025 Nov 01 18:58 | 2025 Oct 29 12:40:26 | 65.8855 | 0.06348 | 1.6381 | 159.4556 | 295.0120 | 12.16824 | – | 
| 2025 Oct 31 18:57 | 2025 Oct 29 12:40:26 | 65.8855 | 0.06348 | 1.6381 | 159.4556 | 295.0120 | 12.16824 | – | 
| 2025 Oct 30 18:57 | 2025 Oct 29 12:40:26 | 65.8855 | 0.06348 | 1.6381 | 159.4556 | 295.0120 | 12.16824 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 29 12:40:26 | 65.8855 | 0.06348 | 1.6381 | 159.4556 | 295.0120 | 12.16824 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 16:50:21 | 65.8850 | 0.06351 | 2.3640 | 161.6766 | 295.0120 | 12.16824 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 16:50:21 | 65.8850 | 0.06351 | 2.3640 | 161.6766 | 295.0120 | 12.16824 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 16:50:21 | 65.8850 | 0.06351 | 2.3640 | 161.6766 | 295.0120 | 12.16824 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 16:50:21 | 65.8850 | 0.06351 | 2.3640 | 161.6766 | 295.0120 | 12.16824 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 16:50:21 | 65.8850 | 0.06351 | 2.3640 | 161.6766 | 295.0120 | 12.16824 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 18 08:00:16 | 65.8847 | 0.06354 | 3.0329 | 163.7188 | 295.0120 | 12.16824 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 18 08:00:16 | 65.8847 | 0.06354 | 3.0329 | 163.7188 | 295.0120 | 12.16824 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 18 08:00:16 | 65.8847 | 0.06354 | 3.0329 | 163.7188 | 295.0120 | 12.16824 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 18 08:00:16 | 65.8847 | 0.06354 | 3.0329 | 163.7188 | 295.0120 | 12.16824 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 18 08:00:16 | 65.8847 | 0.06354 | 3.0329 | 163.7188 | 295.0120 | 12.16824 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 06 12:08:55 | 65.8811 | 0.06361 | 4.5066 | 168.2270 | 295.0120 | 12.16824 | – |