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 | 21128 |
| 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 20:38:54 | 66.0376 | 0.06784 | 4.1596 | 202.9351 | 279.5856 | 12.42016 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:38:54 | 66.0376 | 0.06784 | 4.1596 | 202.9351 | 279.5856 | 12.42016 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:38:54 | 66.0376 | 0.06784 | 4.1596 | 202.9351 | 279.5856 | 12.42016 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:38:54 | 66.0376 | 0.06784 | 4.1596 | 202.9351 | 279.5856 | 12.42016 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:48:57 | 66.0369 | 0.06783 | 4.7549 | 204.8738 | 279.5856 | 12.42016 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:48:57 | 66.0369 | 0.06783 | 4.7549 | 204.8738 | 279.5856 | 12.42016 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:48:57 | 66.0369 | 0.06783 | 4.7549 | 204.8738 | 279.5856 | 12.42016 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:48:57 | 66.0369 | 0.06783 | 4.7549 | 204.8738 | 279.5856 | 12.42016 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:48:57 | 66.0369 | 0.06783 | 4.7549 | 204.8738 | 279.5856 | 12.42016 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 07:48:12 | 66.0366 | 0.06783 | 5.5300 | 207.4119 | 279.5856 | 12.42016 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 07:48:12 | 66.0366 | 0.06783 | 5.5300 | 207.4119 | 279.5856 | 12.42016 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 07:48:12 | 66.0366 | 0.06783 | 5.5300 | 207.4119 | 279.5856 | 12.42016 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 07:48:12 | 66.0366 | 0.06783 | 5.5300 | 207.4119 | 279.5856 | 12.42016 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 21:24:31 | 66.0368 | 0.06786 | 6.2367 | 209.7207 | 279.5856 | 12.42016 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 21:24:31 | 66.0368 | 0.06786 | 6.2367 | 209.7207 | 279.5856 | 12.42016 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 21:24:31 | 66.0368 | 0.06786 | 6.2367 | 209.7207 | 279.5856 | 12.42016 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 21:24:31 | 66.0368 | 0.06786 | 6.2367 | 209.7207 | 279.5856 | 12.42016 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 21:24:31 | 66.0368 | 0.06786 | 6.2367 | 209.7207 | 279.5856 | 12.42016 | – |
| 2025 Aug 11 17:56 | 2025 Aug 06 15:53:21 | 66.0368 | 0.06788 | 6.9170 | 211.9552 | 279.5856 | 12.42016 | – |
| 2025 Aug 10 17:57 | 2025 Aug 06 15:53:21 | 66.0368 | 0.06788 | 6.9170 | 211.9552 | 279.5856 | 12.42016 | – |
| 2025 Aug 09 17:56 | 2025 Aug 06 15:53:21 | 66.0368 | 0.06788 | 6.9170 | 211.9552 | 279.5856 | 12.42016 | – |
| 2025 Aug 08 17:56 | 2025 Aug 06 15:53:21 | 66.0368 | 0.06788 | 6.9170 | 211.9552 | 279.5856 | 12.42016 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 15:53:21 | 66.0368 | 0.06788 | 6.9170 | 211.9552 | 279.5856 | 12.42016 | – |
| 2025 Aug 05 17:56 | 2025 Jul 31 11:52:46 | 66.0371 | 0.06791 | 7.7191 | 214.5977 | 279.5856 | 12.42016 | – |
| 2025 Aug 04 17:56 | 2025 Jul 31 11:52:46 | 66.0371 | 0.06791 | 7.7191 | 214.5977 | 279.5856 | 12.42016 | – |