Orbital elements of COSMOS 539
| Launched | 20 December 1972 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 6319 |
| 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 Jun 13 17:56 | 2026 Jun 12 07:42:51 | 74.0178 | 0.00234 | 18.3881 | 106.7052 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 12 17:56 | 2026 Jun 12 07:42:51 | 74.0178 | 0.00234 | 18.3881 | 106.7052 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 11 17:57 | 2026 Jun 07 02:09:47 | 74.0178 | 0.00234 | 18.8742 | 115.1227 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 10 17:56 | 2026 Jun 07 02:09:47 | 74.0178 | 0.00234 | 18.8742 | 115.1227 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 09 17:57 | 2026 Jun 07 02:09:47 | 74.0178 | 0.00234 | 18.8742 | 115.1227 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 08 17:56 | 2026 Jun 07 02:09:47 | 74.0178 | 0.00234 | 18.8742 | 115.1227 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 07 17:56 | 2026 Jun 07 02:09:47 | 74.0178 | 0.00234 | 18.8742 | 115.1227 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 06 17:56 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 05 17:56 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 04 17:57 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 02 17:56 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 Jun 01 17:57 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 31 17:58 | 2026 May 31 11:30:13 | 74.0174 | 0.00235 | 19.4885 | 125.7412 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 30 17:57 | 2026 May 26 04:02:26 | 74.0170 | 0.00236 | 19.9821 | 134.2236 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 29 17:57 | 2026 May 26 04:02:26 | 74.0170 | 0.00236 | 19.9821 | 134.2236 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 28 17:56 | 2026 May 26 04:02:26 | 74.0170 | 0.00236 | 19.9821 | 134.2236 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 27 17:57 | 2026 May 26 04:02:26 | 74.0170 | 0.00236 | 19.9821 | 134.2236 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 26 17:57 | 2026 May 26 04:02:26 | 74.0170 | 0.00236 | 19.9821 | 134.2236 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 25 17:57 | 2026 May 21 10:20:39 | 74.0165 | 0.00236 | 20.4223 | 141.7848 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 24 17:57 | 2026 May 21 10:20:39 | 74.0165 | 0.00236 | 20.4223 | 141.7848 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 23 17:58 | 2026 May 21 10:20:39 | 74.0165 | 0.00236 | 20.4223 | 141.7848 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 22 17:57 | 2026 May 21 10:20:39 | 74.0165 | 0.00236 | 20.4223 | 141.7848 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 21 17:57 | 2026 May 21 10:20:39 | 74.0165 | 0.00236 | 20.4223 | 141.7848 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 20 17:57 | 2026 May 16 11:45:38 | 74.0166 | 0.00237 | 20.8816 | 149.6406 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 19 17:58 | 2026 May 16 11:45:38 | 74.0166 | 0.00237 | 20.8816 | 149.6406 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 18 17:57 | 2026 May 16 11:45:38 | 74.0166 | 0.00237 | 20.8816 | 149.6406 | 318.4194 | 12.75429 | 8.243 |
| 2026 May 17 17:57 | 2026 May 16 11:45:38 | 74.0166 | 0.00237 | 20.8816 | 149.6406 | 318.4194 | 12.75429 | 8.243 |