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 Jun 15 17:56 | 2025 Jun 12 05:24:36 | 65.8549 | 0.06949 | 17.2580 | 71.2022 | 296.3017 | 12.32885 | – |
| 2025 Jun 14 17:56 | 2025 Jun 12 05:24:36 | 65.8549 | 0.06949 | 17.2580 | 71.2022 | 296.3017 | 12.32885 | – |
| 2025 Jun 13 17:56 | 2025 Jun 12 05:24:36 | 65.8549 | 0.06949 | 17.2580 | 71.2022 | 296.3017 | 12.32885 | – |
| 2025 Jun 12 17:56 | 2025 Jun 12 05:24:36 | 65.8549 | 0.06949 | 17.2580 | 71.2022 | 296.3017 | 12.32885 | – |
| 2025 Jun 11 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 10 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 09 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 08 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 07 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 15:43:05 | 65.8551 | 0.06949 | 18.1044 | 73.7894 | 296.3017 | 12.32885 | – |
| 2025 Jun 05 17:56 | 2025 Jun 01 14:22:38 | 65.8551 | 0.06949 | 18.6268 | 75.3856 | 296.3017 | 12.32885 | – |
| 2025 Jun 04 17:57 | 2025 Jun 01 14:22:38 | 65.8551 | 0.06949 | 18.6268 | 75.3856 | 296.3017 | 12.32885 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 14:22:38 | 65.8551 | 0.06949 | 18.6268 | 75.3856 | 296.3017 | 12.32885 | – |
| 2025 Jun 02 17:58 | 2025 Jun 01 14:22:38 | 65.8551 | 0.06949 | 18.6268 | 75.3856 | 296.3017 | 12.32885 | – |
| 2025 Jun 01 17:56 | 2025 Jun 01 14:22:38 | 65.8551 | 0.06949 | 18.6268 | 75.3856 | 296.3017 | 12.32885 | – |
| 2025 May 31 17:56 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 30 17:56 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 29 17:56 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 28 17:56 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 27 17:57 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 26 17:56 | 2025 May 25 18:50:41 | 65.8550 | 0.06949 | 19.5046 | 78.0647 | 296.3017 | 12.32885 | – |
| 2025 May 25 17:56 | 2025 May 21 13:36:37 | 65.8549 | 0.06950 | 20.0480 | 79.7223 | 296.3017 | 12.32885 | – |
| 2025 May 24 17:57 | 2025 May 21 13:36:37 | 65.8549 | 0.06950 | 20.0480 | 79.7223 | 296.3017 | 12.32885 | – |
| 2025 May 23 17:56 | 2025 May 21 13:36:37 | 65.8549 | 0.06950 | 20.0480 | 79.7223 | 296.3017 | 12.32885 | – |
| 2025 May 22 17:56 | 2025 May 21 13:36:37 | 65.8549 | 0.06950 | 20.0480 | 79.7223 | 296.3017 | 12.32885 | – |
| 2025 May 21 17:56 | 2025 May 21 13:36:37 | 65.8549 | 0.06950 | 20.0480 | 79.7223 | 296.3017 | 12.32885 | – |
| 2025 May 20 17:56 | 2025 May 14 21:58:16 | 65.8550 | 0.06950 | 20.9049 | 82.3312 | 296.3017 | 12.32885 | – |
| 2025 May 19 17:56 | 2025 May 14 21:58:16 | 65.8550 | 0.06950 | 20.9049 | 82.3312 | 296.3017 | 12.32885 | – |