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 |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:18:05 | 74.0145 | 0.00236 | 11.3024 | 31.4872 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:18:05 | 74.0145 | 0.00236 | 11.3024 | 31.4872 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:18:05 | 74.0145 | 0.00236 | 11.3024 | 31.4872 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:18:05 | 74.0145 | 0.00236 | 11.3024 | 31.4872 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:18:05 | 74.0145 | 0.00236 | 11.3024 | 31.4872 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:50:03 | 74.0150 | 0.00235 | 11.7688 | 39.5347 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:50:03 | 74.0150 | 0.00235 | 11.7688 | 39.5347 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:50:03 | 74.0150 | 0.00235 | 11.7688 | 39.5347 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:50:03 | 74.0150 | 0.00235 | 11.7688 | 39.5347 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:50:03 | 74.0150 | 0.00235 | 11.7688 | 39.5347 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 08:14:41 | 74.0147 | 0.00234 | 12.2279 | 47.5132 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 08:14:41 | 74.0147 | 0.00234 | 12.2279 | 47.5132 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 08:14:41 | 74.0147 | 0.00234 | 12.2279 | 47.5132 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 08:14:41 | 74.0147 | 0.00234 | 12.2279 | 47.5132 | 141.1840 | 12.75426 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 08:14:41 | 74.0147 | 0.00234 | 12.2279 | 47.5132 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 08:42:48 | 74.0154 | 0.00234 | 12.8766 | 58.8373 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 24 18:56 | 2025 Nov 20 02:14:57 | 74.0160 | 0.00233 | 13.3662 | 67.2696 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 23 18:57 | 2025 Nov 20 02:14:57 | 74.0160 | 0.00233 | 13.3662 | 67.2696 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 21 18:57 | 2025 Nov 20 02:14:57 | 74.0160 | 0.00233 | 13.3662 | 67.2696 | 141.1840 | 12.75426 | 8.243 |
| 2025 Nov 20 18:56 | 2025 Nov 20 02:14:57 | 74.0160 | 0.00233 | 13.3662 | 67.2696 | 141.1840 | 12.75426 | 8.243 |