Orbital elements of COSMOS 939
| Launched | 23 August 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10282 |
| 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 Sep 12 17:57 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 06:09:54 | 74.0260 | 0.00193 | 10.5115 | 171.5731 | 359.2379 | 12.54287 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:24:24 | 74.0259 | 0.00194 | 11.0762 | 181.2527 | 359.2379 | 12.54287 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:55:15 | 74.0255 | 0.00195 | 11.4948 | 188.3980 | 359.2379 | 12.54287 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:55:15 | 74.0255 | 0.00195 | 11.4948 | 188.3980 | 359.2379 | 12.54287 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:55:15 | 74.0255 | 0.00195 | 11.4948 | 188.3980 | 359.2379 | 12.54287 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:55:15 | 74.0255 | 0.00195 | 11.4948 | 188.3980 | 359.2379 | 12.54287 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:55:15 | 74.0255 | 0.00195 | 11.4948 | 188.3980 | 359.2379 | 12.54287 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 23:08:35 | 74.0250 | 0.00196 | 11.9666 | 196.3760 | 359.2379 | 12.54287 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 23:08:35 | 74.0250 | 0.00196 | 11.9666 | 196.3760 | 359.2379 | 12.54287 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 23:08:35 | 74.0250 | 0.00196 | 11.9666 | 196.3760 | 359.2379 | 12.54287 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 23:08:35 | 74.0250 | 0.00196 | 11.9666 | 196.3760 | 359.2379 | 12.54287 | – |