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 | 10440 |
| 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 Jan 15 18:56 | 2026 Jan 06 19:25:52 | 65.6501 | 0.07108 | 17.9510 | 136.5190 | 296.9389 | 12.40531 | – |
| 2026 Jan 13 18:56 | 2026 Jan 06 19:25:52 | 65.6501 | 0.07108 | 17.9510 | 136.5190 | 296.9389 | 12.40531 | – |
| 2026 Jan 11 18:57 | 2026 Jan 06 19:25:52 | 65.6501 | 0.07108 | 17.9510 | 136.5190 | 296.9389 | 12.40531 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 04:22:11 | 65.6513 | 0.07112 | 18.0337 | 136.6851 | 296.9389 | 12.40531 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 04:22:11 | 65.6513 | 0.07112 | 18.0337 | 136.6851 | 296.9389 | 12.40531 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 04:22:11 | 65.6513 | 0.07112 | 18.0337 | 136.6851 | 296.9389 | 12.40531 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 04:22:11 | 65.6513 | 0.07112 | 18.0337 | 136.6851 | 296.9389 | 12.40531 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 04:22:11 | 65.6513 | 0.07112 | 18.0337 | 136.6851 | 296.9389 | 12.40531 | – |
| 2026 Jan 04 18:56 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2026 Jan 03 18:57 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2026 Jan 01 18:56 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 31 18:57 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 05:13:22 | 65.6510 | 0.07117 | 19.4785 | 140.8096 | 296.9389 | 12.40531 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 06:49:12 | 65.6510 | 0.07120 | 20.3922 | 143.3631 | 296.9389 | 12.40531 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 00:17:13 | 65.6505 | 0.07124 | 21.3506 | 146.0278 | 296.9389 | 12.40531 | – |