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 |
| 2026 Jun 20 17:56 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 97.6568 | 12.42190 | – |
| 2026 Jun 19 17:57 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 97.6568 | 12.42190 | – |
| 2026 Jun 18 17:56 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 97.6568 | 12.42190 | – |
| 2026 Jun 17 17:57 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 97.6568 | 12.42190 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:02:05 | 66.0381 | 0.06626 | 14.6545 | 80.2908 | 97.6568 | 12.42190 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:02:05 | 66.0381 | 0.06626 | 14.6545 | 80.2908 | 97.6568 | 12.42190 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:02:05 | 66.0381 | 0.06626 | 14.6545 | 80.2908 | 97.6568 | 12.42190 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:02:05 | 66.0381 | 0.06626 | 14.6545 | 80.2908 | 97.6568 | 12.42190 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:02:05 | 66.0381 | 0.06626 | 14.6545 | 80.2908 | 97.6568 | 12.42190 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 15:03:28 | 66.0386 | 0.06631 | 15.3858 | 82.7049 | 97.6568 | 12.42190 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 15:03:28 | 66.0386 | 0.06631 | 15.3858 | 82.7049 | 97.6568 | 12.42190 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 15:03:28 | 66.0386 | 0.06631 | 15.3858 | 82.7049 | 97.6568 | 12.42190 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 15:03:28 | 66.0386 | 0.06631 | 15.3858 | 82.7049 | 97.6568 | 12.42190 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 15:03:28 | 66.0386 | 0.06631 | 15.3858 | 82.7049 | 97.6568 | 12.42190 | – |
| 2026 Jun 06 17:56 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 Jun 05 17:56 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 Jun 04 17:57 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 Jun 02 17:56 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 Jun 01 17:57 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 May 31 17:58 | 2026 May 31 12:04:35 | 66.0389 | 0.06638 | 16.1822 | 85.3265 | 97.6568 | 12.42190 | – |
| 2026 May 30 17:57 | 2026 May 25 06:59:23 | 66.0391 | 0.06643 | 16.9899 | 87.9834 | 97.6568 | 12.42190 | – |
| 2026 May 29 17:57 | 2026 May 25 06:59:23 | 66.0391 | 0.06643 | 16.9899 | 87.9834 | 97.6568 | 12.42190 | – |
| 2026 May 28 17:56 | 2026 May 25 06:59:23 | 66.0391 | 0.06643 | 16.9899 | 87.9834 | 97.6568 | 12.42190 | – |
| 2026 May 27 17:57 | 2026 May 25 06:59:23 | 66.0391 | 0.06643 | 16.9899 | 87.9834 | 97.6568 | 12.42190 | – |
| 2026 May 26 17:57 | 2026 May 25 06:59:23 | 66.0391 | 0.06643 | 16.9899 | 87.9834 | 97.6568 | 12.42190 | – |
| 2026 May 25 17:57 | 2026 May 20 19:23:41 | 66.0389 | 0.06647 | 17.5729 | 89.8912 | 97.6568 | 12.42190 | – |
| 2026 May 24 17:57 | 2026 May 20 19:23:41 | 66.0389 | 0.06647 | 17.5729 | 89.8912 | 97.6568 | 12.42190 | – |