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 Jul 18 17:57 | 2026 Jul 16 07:25:29 | 66.0388 | 0.06633 | 10.2260 | 65.7059 | 7.3006 | 12.42202 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 07:25:29 | 66.0388 | 0.06633 | 10.2260 | 65.7059 | 7.3006 | 12.42202 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 07:25:29 | 66.0388 | 0.06633 | 10.2260 | 65.7059 | 7.3006 | 12.42202 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 08:00:34 | 66.0385 | 0.06628 | 10.8730 | 67.8195 | 7.3006 | 12.42202 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 08:00:34 | 66.0385 | 0.06628 | 10.8730 | 67.8195 | 7.3006 | 12.42202 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 08:00:34 | 66.0385 | 0.06628 | 10.8730 | 67.8195 | 7.3006 | 12.42202 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 08:00:34 | 66.0385 | 0.06628 | 10.8730 | 67.8195 | 7.3006 | 12.42202 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 08:00:34 | 66.0385 | 0.06628 | 10.8730 | 67.8195 | 7.3006 | 12.42202 | – |
| 2026 Jul 09 17:56 | 2026 Jul 04 22:45:25 | 66.0375 | 0.06623 | 11.7033 | 70.5459 | 7.3006 | 12.42202 | – |
| 2026 Jul 08 17:56 | 2026 Jul 04 22:45:25 | 66.0375 | 0.06623 | 11.7033 | 70.5459 | 7.3006 | 12.42202 | – |
| 2026 Jul 07 17:56 | 2026 Jul 04 22:45:25 | 66.0375 | 0.06623 | 11.7033 | 70.5459 | 7.3006 | 12.42202 | – |
| 2026 Jul 06 17:57 | 2026 Jul 04 22:45:25 | 66.0375 | 0.06623 | 11.7033 | 70.5459 | 7.3006 | 12.42202 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 22:45:25 | 66.0375 | 0.06623 | 11.7033 | 70.5459 | 7.3006 | 12.42202 | – |
| 2026 Jul 04 17:56 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jul 03 17:57 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 03:50:44 | 66.0371 | 0.06620 | 12.4559 | 73.0255 | 7.3006 | 12.42202 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 11:50:51 | 66.0371 | 0.06620 | 13.3228 | 75.8890 | 7.3006 | 12.42202 | – |
| 2026 Jun 22 17:56 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 7.3006 | 12.42202 | – |
| 2026 Jun 21 17:57 | 2026 Jun 16 20:46:28 | 66.0378 | 0.06623 | 14.0546 | 78.3087 | 7.3006 | 12.42202 | – |