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 | 18428 |
| 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 |
| 2026 Apr 19 17:58 | 2026 Apr 19 13:22:03 | 65.7324 | 0.07748 | 20.1213 | 308.0591 | 75.5514 | 12.37306 | – |
| 2026 Apr 18 17:56 | 2026 Apr 11 21:00:01 | 65.7315 | 0.07756 | 21.1263 | 310.9316 | 75.5514 | 12.37306 | – |
| 2026 Apr 16 17:57 | 2026 Apr 11 21:00:01 | 65.7315 | 0.07756 | 21.1263 | 310.9316 | 75.5514 | 12.37306 | – |
| 2026 Apr 14 17:57 | 2026 Apr 11 21:00:01 | 65.7315 | 0.07756 | 21.1263 | 310.9316 | 75.5514 | 12.37306 | – |
| 2026 Apr 13 17:57 | 2026 Apr 11 21:00:01 | 65.7315 | 0.07756 | 21.1263 | 310.9316 | 75.5514 | 12.37306 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 21:57:15 | 65.7329 | 0.07762 | 21.6445 | 312.3954 | 75.5514 | 12.37306 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 21:57:15 | 65.7329 | 0.07762 | 21.6445 | 312.3954 | 75.5514 | 12.37306 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 21:57:15 | 65.7329 | 0.07762 | 21.6445 | 312.3954 | 75.5514 | 12.37306 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 21:57:15 | 65.7329 | 0.07762 | 21.6445 | 312.3954 | 75.5514 | 12.37306 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 21:57:15 | 65.7329 | 0.07762 | 21.6445 | 312.3954 | 75.5514 | 12.37306 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 23:07:07 | 65.7339 | 0.07772 | 22.5541 | 314.9431 | 75.5514 | 12.37306 | – |
| 2026 Mar 31 17:57 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 30 17:58 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 29 17:57 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 28 18:57 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 17:49:28 | 65.7350 | 0.07781 | 23.3680 | 317.1970 | 75.5514 | 12.37306 | – |
| 2026 Mar 25 18:56 | 2026 Mar 19 18:15:02 | 65.7351 | 0.07788 | 0.1508 | 319.3466 | 75.5514 | 12.37306 | – |
| 2026 Mar 24 18:56 | 2026 Mar 19 18:15:02 | 65.7351 | 0.07788 | 0.1508 | 319.3466 | 75.5514 | 12.37306 | – |
| 2026 Mar 23 18:56 | 2026 Mar 19 18:15:02 | 65.7351 | 0.07788 | 0.1508 | 319.3466 | 75.5514 | 12.37306 | – |