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 Aug 29 17:57 | 2026 Aug 24 14:08:16 | 66.0378 | 0.06667 | 5.1177 | 49.1738 | 346.3743 | 12.42240 | – |
| 2026 Aug 28 17:57 | 2026 Aug 24 14:08:16 | 66.0378 | 0.06667 | 5.1177 | 49.1738 | 346.3743 | 12.42240 | – |
| 2026 Aug 27 17:56 | 2026 Aug 24 14:08:16 | 66.0378 | 0.06667 | 5.1177 | 49.1738 | 346.3743 | 12.42240 | – |
| 2026 Aug 26 17:50 | 2026 Aug 24 14:08:16 | 66.0378 | 0.06667 | 5.1177 | 49.1738 | 346.3743 | 12.42240 | – |
| 2026 Aug 25 17:56 | 2026 Aug 24 14:08:16 | 66.0378 | 0.06667 | 5.1177 | 49.1738 | 346.3743 | 12.42240 | – |
| 2026 Aug 24 17:57 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 23 17:56 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 22 17:56 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 21 17:56 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 20 17:57 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 19 17:57 | 2026 Aug 19 01:24:41 | 66.0384 | 0.06665 | 5.8370 | 51.4936 | 346.3743 | 12.42240 | – |
| 2026 Aug 18 17:56 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 17 17:56 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 16 17:56 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 15 17:57 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 14 17:56 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 13 17:57 | 2026 Aug 13 00:16:39 | 66.0387 | 0.06662 | 6.6236 | 54.0369 | 346.3743 | 12.42240 | – |
| 2026 Aug 12 17:56 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 11 17:56 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 10 17:56 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 09 17:57 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 08 17:57 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 07 17:57 | 2026 Aug 07 03:26:34 | 66.0391 | 0.06658 | 7.3868 | 56.5021 | 346.3743 | 12.42240 | – |
| 2026 Aug 06 17:57 | 2026 Aug 01 04:26:49 | 66.0393 | 0.06652 | 8.1616 | 59.0058 | 346.3743 | 12.42240 | – |
| 2026 Aug 05 17:56 | 2026 Aug 01 04:26:49 | 66.0393 | 0.06652 | 8.1616 | 59.0058 | 346.3743 | 12.42240 | – |
| 2026 Aug 04 17:57 | 2026 Aug 01 04:26:49 | 66.0393 | 0.06652 | 8.1616 | 59.0058 | 346.3743 | 12.42240 | – |
| 2026 Aug 03 17:56 | 2026 Aug 01 04:26:49 | 66.0393 | 0.06652 | 8.1616 | 59.0058 | 346.3743 | 12.42240 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 04:26:49 | 66.0393 | 0.06652 | 8.1616 | 59.0058 | 346.3743 | 12.42240 | – |