Orbital elements of COSMOS 839
| Launched | 7 July 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9011 |
| 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 |
| 2025 Nov 05 18:57 | 2025 Nov 02 11:28:07 | 65.8555 | 0.07009 | 22.8033 | 15.2005 | 346.8914 | 12.32888 | – |
| 2025 Nov 04 18:57 | 2025 Nov 02 11:28:07 | 65.8555 | 0.07009 | 22.8033 | 15.2005 | 346.8914 | 12.32888 | – |
| 2025 Nov 03 18:57 | 2025 Nov 02 11:28:07 | 65.8555 | 0.07009 | 22.8033 | 15.2005 | 346.8914 | 12.32888 | – |
| 2025 Nov 02 18:57 | 2025 Oct 29 12:04:32 | 65.8563 | 0.07007 | 23.3154 | 16.7499 | 346.8914 | 12.32888 | – |
| 2025 Nov 01 18:58 | 2025 Oct 29 12:04:32 | 65.8563 | 0.07007 | 23.3154 | 16.7499 | 346.8914 | 12.32888 | – |
| 2025 Oct 31 18:57 | 2025 Oct 29 12:04:32 | 65.8563 | 0.07007 | 23.3154 | 16.7499 | 346.8914 | 12.32888 | – |
| 2025 Oct 30 18:57 | 2025 Oct 29 12:04:32 | 65.8563 | 0.07007 | 23.3154 | 16.7499 | 346.8914 | 12.32888 | – |
| 2025 Oct 29 18:57 | 2025 Oct 29 12:04:32 | 65.8563 | 0.07007 | 23.3154 | 16.7499 | 346.8914 | 12.32888 | – |
| 2025 Oct 28 18:57 | 2025 Oct 23 10:03:56 | 65.8572 | 0.07004 | 0.0992 | 19.1154 | 346.8914 | 12.32888 | – |
| 2025 Oct 27 18:57 | 2025 Oct 23 10:03:56 | 65.8572 | 0.07004 | 0.0992 | 19.1154 | 346.8914 | 12.32888 | – |
| 2025 Oct 26 18:57 | 2025 Oct 23 10:03:56 | 65.8572 | 0.07004 | 0.0992 | 19.1154 | 346.8914 | 12.32888 | – |
| 2025 Oct 25 17:57 | 2025 Oct 23 10:03:56 | 65.8572 | 0.07004 | 0.0992 | 19.1154 | 346.8914 | 12.32888 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 10:03:56 | 65.8572 | 0.07004 | 0.0992 | 19.1154 | 346.8914 | 12.32888 | – |
| 2025 Oct 22 17:56 | 2025 Oct 18 07:25:02 | 65.8575 | 0.07001 | 0.7576 | 21.1051 | 346.8914 | 12.32888 | – |
| 2025 Oct 21 17:56 | 2025 Oct 18 07:25:02 | 65.8575 | 0.07001 | 0.7576 | 21.1051 | 346.8914 | 12.32888 | – |
| 2025 Oct 20 17:56 | 2025 Oct 18 07:25:02 | 65.8575 | 0.07001 | 0.7576 | 21.1051 | 346.8914 | 12.32888 | – |
| 2025 Oct 19 17:56 | 2025 Oct 18 07:25:02 | 65.8575 | 0.07001 | 0.7576 | 21.1051 | 346.8914 | 12.32888 | – |
| 2025 Oct 18 17:56 | 2025 Oct 18 07:25:02 | 65.8575 | 0.07001 | 0.7576 | 21.1051 | 346.8914 | 12.32888 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:29:35 | 65.8565 | 0.06995 | 2.1474 | 25.3081 | 346.8914 | 12.32888 | – |