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 | 21957 |
| 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 May 25 17:57 | 2026 May 18 03:33:46 | 65.4609 | 0.07282 | 6.0514 | 347.3802 | 10.9788 | 12.65734 | – |
| 2026 May 24 17:57 | 2026 May 18 03:33:46 | 65.4609 | 0.07282 | 6.0514 | 347.3802 | 10.9788 | 12.65734 | – |
| 2026 May 23 17:58 | 2026 May 18 03:33:46 | 65.4609 | 0.07282 | 6.0514 | 347.3802 | 10.9788 | 12.65734 | – |
| 2026 May 22 17:57 | 2026 May 18 03:33:46 | 65.4609 | 0.07282 | 6.0514 | 347.3802 | 10.9788 | 12.65734 | – |
| 2026 May 21 17:57 | 2026 May 18 03:33:46 | 65.4609 | 0.07282 | 6.0514 | 347.3802 | 10.9788 | 12.65734 | – |
| 2026 May 20 17:57 | 2026 May 15 14:52:57 | 65.4606 | 0.07281 | 6.4033 | 348.2440 | 10.9788 | 12.65734 | – |
| 2026 May 19 17:58 | 2026 May 15 14:52:57 | 65.4606 | 0.07281 | 6.4033 | 348.2440 | 10.9788 | 12.65734 | – |
| 2026 May 18 17:57 | 2026 May 15 14:52:57 | 65.4606 | 0.07281 | 6.4033 | 348.2440 | 10.9788 | 12.65734 | – |
| 2026 May 17 17:57 | 2026 May 15 14:52:57 | 65.4606 | 0.07281 | 6.4033 | 348.2440 | 10.9788 | 12.65734 | – |
| 2026 May 16 17:56 | 2026 May 15 14:52:57 | 65.4606 | 0.07281 | 6.4033 | 348.2440 | 10.9788 | 12.65734 | – |
| 2026 May 15 17:57 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 14 17:58 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 13 17:58 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 12 17:58 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 11 17:56 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 10 17:57 | 2026 May 09 22:21:06 | 65.4595 | 0.07279 | 7.1953 | 350.2042 | 10.9788 | 12.65734 | – |
| 2026 May 09 17:57 | 2026 May 05 08:22:05 | 65.4590 | 0.07276 | 7.8332 | 351.7830 | 10.9788 | 12.65734 | – |
| 2026 May 08 17:57 | 2026 May 05 08:22:05 | 65.4590 | 0.07276 | 7.8332 | 351.7830 | 10.9788 | 12.65734 | – |
| 2026 May 07 17:58 | 2026 May 05 08:22:05 | 65.4590 | 0.07276 | 7.8332 | 351.7830 | 10.9788 | 12.65734 | – |
| 2026 May 06 17:57 | 2026 May 05 08:22:05 | 65.4590 | 0.07276 | 7.8332 | 351.7830 | 10.9788 | 12.65734 | – |
| 2026 May 05 17:57 | 2026 May 05 08:22:05 | 65.4590 | 0.07276 | 7.8332 | 351.7830 | 10.9788 | 12.65734 | – |
| 2026 May 04 17:57 | 2026 Apr 29 00:39:58 | 65.4583 | 0.07273 | 8.7130 | 353.9725 | 10.9788 | 12.65734 | – |
| 2026 May 03 17:57 | 2026 Apr 29 00:39:58 | 65.4583 | 0.07273 | 8.7130 | 353.9725 | 10.9788 | 12.65734 | – |
| 2026 May 02 17:57 | 2026 Apr 29 00:39:58 | 65.4583 | 0.07273 | 8.7130 | 353.9725 | 10.9788 | 12.65734 | – |
| 2026 May 01 17:56 | 2026 Apr 29 00:39:58 | 65.4583 | 0.07273 | 8.7130 | 353.9725 | 10.9788 | 12.65734 | – |
| 2026 Apr 30 17:56 | 2026 Apr 29 00:39:58 | 65.4583 | 0.07273 | 8.7130 | 353.9725 | 10.9788 | 12.65734 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 10:40:55 | 65.4575 | 0.07270 | 9.3509 | 355.5667 | 10.9788 | 12.65734 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 10:40:55 | 65.4575 | 0.07270 | 9.3509 | 355.5667 | 10.9788 | 12.65734 | – |