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 | 10440 |
| 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 07 17:58 | 2026 May 04 17:49:00 | 65.6528 | 0.07065 | 2.4100 | 93.2918 | 303.0409 | 12.40566 | – |
| 2026 May 06 17:57 | 2026 May 04 17:49:00 | 65.6528 | 0.07065 | 2.4100 | 93.2918 | 303.0409 | 12.40566 | – |
| 2026 May 05 17:57 | 2026 May 04 17:49:00 | 65.6528 | 0.07065 | 2.4100 | 93.2918 | 303.0409 | 12.40566 | – |
| 2026 May 04 17:57 | 2026 Apr 29 19:49:10 | 65.6521 | 0.07063 | 3.0578 | 95.1039 | 303.0409 | 12.40566 | – |
| 2026 May 03 17:57 | 2026 Apr 29 19:49:10 | 65.6521 | 0.07063 | 3.0578 | 95.1039 | 303.0409 | 12.40566 | – |
| 2026 May 02 17:57 | 2026 Apr 29 19:49:10 | 65.6521 | 0.07063 | 3.0578 | 95.1039 | 303.0409 | 12.40566 | – |
| 2026 May 01 17:56 | 2026 Apr 29 19:49:10 | 65.6521 | 0.07063 | 3.0578 | 95.1039 | 303.0409 | 12.40566 | – |
| 2026 Apr 30 17:56 | 2026 Apr 29 19:49:10 | 65.6521 | 0.07063 | 3.0578 | 95.1039 | 303.0409 | 12.40566 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 24 17:59 | 2026 Apr 22 06:29:51 | 65.6512 | 0.07057 | 4.0533 | 97.8839 | 303.0409 | 12.40566 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 07:42:10 | 65.6507 | 0.07056 | 4.5737 | 99.3391 | 303.0409 | 12.40566 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 07:42:10 | 65.6507 | 0.07056 | 4.5737 | 99.3391 | 303.0409 | 12.40566 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 07:42:10 | 65.6507 | 0.07056 | 4.5737 | 99.3391 | 303.0409 | 12.40566 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 07:42:10 | 65.6507 | 0.07056 | 4.5737 | 99.3391 | 303.0409 | 12.40566 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 07:42:10 | 65.6507 | 0.07056 | 4.5737 | 99.3391 | 303.0409 | 12.40566 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 00:22:58 | 65.6498 | 0.07054 | 5.4045 | 101.6694 | 303.0409 | 12.40566 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 00:22:58 | 65.6498 | 0.07054 | 5.4045 | 101.6694 | 303.0409 | 12.40566 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 00:22:58 | 65.6498 | 0.07054 | 5.4045 | 101.6694 | 303.0409 | 12.40566 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 00:22:58 | 65.6498 | 0.07054 | 5.4045 | 101.6694 | 303.0409 | 12.40566 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 10:32:06 | 65.6495 | 0.07053 | 6.0077 | 103.3607 | 303.0409 | 12.40566 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 10:32:06 | 65.6495 | 0.07053 | 6.0077 | 103.3607 | 303.0409 | 12.40566 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 10:32:06 | 65.6495 | 0.07053 | 6.0077 | 103.3607 | 303.0409 | 12.40566 | – |