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 Aug 31 17:56 | 2025 Aug 27 21:08:44 | 65.8532 | 0.06978 | 7.3835 | 41.1507 | 323.9996 | 12.32887 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 21:08:44 | 65.8532 | 0.06978 | 7.3835 | 41.1507 | 323.9996 | 12.32887 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 21:08:44 | 65.8532 | 0.06978 | 7.3835 | 41.1507 | 323.9996 | 12.32887 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:08:44 | 65.8532 | 0.06978 | 7.3835 | 41.1507 | 323.9996 | 12.32887 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 02:17:03 | 65.8535 | 0.06975 | 8.0000 | 43.0158 | 323.9996 | 12.32887 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 02:17:03 | 65.8535 | 0.06975 | 8.0000 | 43.0158 | 323.9996 | 12.32887 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 02:17:03 | 65.8535 | 0.06975 | 8.0000 | 43.0158 | 323.9996 | 12.32887 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 02:17:03 | 65.8535 | 0.06975 | 8.0000 | 43.0158 | 323.9996 | 12.32887 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 02:17:03 | 65.8535 | 0.06975 | 8.0000 | 43.0158 | 323.9996 | 12.32887 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 21:41:19 | 65.8542 | 0.06973 | 8.6688 | 45.0404 | 323.9996 | 12.32887 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 21:41:19 | 65.8542 | 0.06973 | 8.6688 | 45.0404 | 323.9996 | 12.32887 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 21:41:19 | 65.8542 | 0.06973 | 8.6688 | 45.0404 | 323.9996 | 12.32887 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 21:41:19 | 65.8542 | 0.06973 | 8.6688 | 45.0404 | 323.9996 | 12.32887 | – |
| 2025 Aug 16 17:56 | 2025 Aug 12 07:21:32 | 65.8543 | 0.06970 | 9.3898 | 47.2231 | 323.9996 | 12.32887 | – |
| 2025 Aug 15 17:57 | 2025 Aug 12 07:21:32 | 65.8543 | 0.06970 | 9.3898 | 47.2231 | 323.9996 | 12.32887 | – |
| 2025 Aug 14 17:56 | 2025 Aug 12 07:21:32 | 65.8543 | 0.06970 | 9.3898 | 47.2231 | 323.9996 | 12.32887 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 07:21:32 | 65.8543 | 0.06970 | 9.3898 | 47.2231 | 323.9996 | 12.32887 | – |
| 2025 Aug 12 17:56 | 2025 Aug 12 07:21:32 | 65.8543 | 0.06970 | 9.3898 | 47.2231 | 323.9996 | 12.32887 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 20:55:22 | 65.8542 | 0.06967 | 10.0899 | 49.3472 | 323.9996 | 12.32887 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 20:55:22 | 65.8542 | 0.06967 | 10.0899 | 49.3472 | 323.9996 | 12.32887 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 20:55:22 | 65.8542 | 0.06967 | 10.0899 | 49.3472 | 323.9996 | 12.32887 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 20:55:22 | 65.8542 | 0.06967 | 10.0899 | 49.3472 | 323.9996 | 12.32887 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 20:55:22 | 65.8542 | 0.06967 | 10.0899 | 49.3472 | 323.9996 | 12.32887 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 22:48:21 | 65.8535 | 0.06964 | 10.8526 | 51.6638 | 323.9996 | 12.32887 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 22:48:21 | 65.8535 | 0.06964 | 10.8526 | 51.6638 | 323.9996 | 12.32887 | – |