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 May 08 17:56 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 07 17:56 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 06 17:57 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 05 17:56 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 04 17:57 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 03 17:57 | 2025 May 03 07:34:33 | 65.8563 | 0.06949 | 22.3992 | 86.8809 | 281.1402 | 12.32885 | – |
| 2025 May 01 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 00:58:03 | 65.8577 | 0.06948 | 23.8516 | 91.3116 | 281.1402 | 12.32885 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 22:57:20 | 65.8582 | 0.06948 | 0.6352 | 93.7071 | 281.1402 | 12.32885 | – |
| 2025 Apr 15 17:56 | 2025 Apr 11 11:52:48 | 65.8581 | 0.06948 | 1.2098 | 95.4630 | 281.1402 | 12.32885 | – |
| 2025 Apr 14 17:56 | 2025 Apr 11 11:52:48 | 65.8581 | 0.06948 | 1.2098 | 95.4630 | 281.1402 | 12.32885 | – |
| 2025 Apr 11 17:57 | 2025 Apr 11 11:52:48 | 65.8581 | 0.06948 | 1.2098 | 95.4630 | 281.1402 | 12.32885 | – |