Orbital elements of COSMOS 839
| Launched | 7 July 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9011 |
| 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 Dec 17 18:58 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 03:27:05 | 65.8542 | 0.07034 | 17.6921 | 359.7879 | 0.2719 | 12.32891 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:41:49 | 65.8544 | 0.07031 | 18.3297 | 1.7038 | 0.2719 | 12.32891 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:41:49 | 65.8544 | 0.07031 | 18.3297 | 1.7038 | 0.2719 | 12.32891 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:41:49 | 65.8544 | 0.07031 | 18.3297 | 1.7038 | 0.2719 | 12.32891 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:41:49 | 65.8544 | 0.07031 | 18.3297 | 1.7038 | 0.2719 | 12.32891 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:41:49 | 65.8544 | 0.07031 | 18.3297 | 1.7038 | 0.2719 | 12.32891 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:53:22 | 65.8543 | 0.07027 | 18.9568 | 3.5919 | 0.2719 | 12.32891 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:53:22 | 65.8543 | 0.07027 | 18.9568 | 3.5919 | 0.2719 | 12.32891 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:53:22 | 65.8543 | 0.07027 | 18.9568 | 3.5919 | 0.2719 | 12.32891 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:53:22 | 65.8543 | 0.07027 | 18.9568 | 3.5919 | 0.2719 | 12.32891 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:53:22 | 65.8543 | 0.07027 | 18.9568 | 3.5919 | 0.2719 | 12.32891 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 06:31:06 | 65.8539 | 0.07022 | 19.8662 | 6.3333 | 0.2719 | 12.32891 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:49:01 | 65.8539 | 0.07019 | 20.5143 | 8.2869 | 0.2719 | 12.32891 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:49:01 | 65.8539 | 0.07019 | 20.5143 | 8.2869 | 0.2719 | 12.32891 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:49:01 | 65.8539 | 0.07019 | 20.5143 | 8.2869 | 0.2719 | 12.32891 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:49:01 | 65.8539 | 0.07019 | 20.5143 | 8.2869 | 0.2719 | 12.32891 | – |