Orbital elements of COSMOS 509
| Launched | 19 July 1972 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 6122 |
| 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 Apr 16 17:57 | 2026 Apr 13 07:03:21 | 74.0267 | 0.00153 | 20.4735 | 74.7480 | 98.3727 | 12.44996 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 07:03:21 | 74.0267 | 0.00153 | 20.4735 | 74.7480 | 98.3727 | 12.44996 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 07:03:21 | 74.0267 | 0.00153 | 20.4735 | 74.7480 | 98.3727 | 12.44996 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:26:08 | 74.0275 | 0.00153 | 20.8855 | 81.9366 | 98.3727 | 12.44996 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:26:08 | 74.0275 | 0.00153 | 20.8855 | 81.9366 | 98.3727 | 12.44996 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:26:08 | 74.0275 | 0.00153 | 20.8855 | 81.9366 | 98.3727 | 12.44996 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:26:08 | 74.0275 | 0.00153 | 20.8855 | 81.9366 | 98.3727 | 12.44996 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:26:08 | 74.0275 | 0.00153 | 20.8855 | 81.9366 | 98.3727 | 12.44996 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 02:55:51 | 74.0287 | 0.00153 | 21.4542 | 91.9327 | 98.3727 | 12.44996 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:58:32 | 74.0301 | 0.00153 | 22.0393 | 102.2783 | 98.3727 | 12.44996 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 10:02:24 | 74.0312 | 0.00153 | 22.5693 | 111.6549 | 98.3727 | 12.44996 | – |