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 Sep 15 17:56 | 2025 Sep 14 14:02:12 | 74.0156 | 0.00237 | 19.5467 | 174.5019 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 12 17:57 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 11 17:57 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 10 17:56 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 08 17:57 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 07 17:56 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 06 20:41 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 03 17:57 | 2025 Sep 02 15:55:22 | 74.0184 | 0.00240 | 20.6546 | 193.1972 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:48:36 | 74.0195 | 0.00241 | 21.1854 | 202.0428 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 27 17:56 | 2025 Aug 23 07:11:25 | 74.0200 | 0.00241 | 21.6175 | 209.1928 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 26 17:56 | 2025 Aug 23 07:11:25 | 74.0200 | 0.00241 | 21.6175 | 209.1928 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 25 17:56 | 2025 Aug 23 07:11:25 | 74.0200 | 0.00241 | 21.6175 | 209.1928 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 24 17:56 | 2025 Aug 23 07:11:25 | 74.0200 | 0.00241 | 21.6175 | 209.1928 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 23 17:56 | 2025 Aug 23 07:11:25 | 74.0200 | 0.00241 | 21.6175 | 209.1928 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 22 17:56 | 2025 Aug 17 17:46:10 | 74.0205 | 0.00242 | 22.1340 | 217.7588 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 20 17:56 | 2025 Aug 17 17:46:10 | 74.0205 | 0.00242 | 22.1340 | 217.7588 | 300.3382 | 12.75423 | 8.243 |
| 2025 Aug 19 17:56 | 2025 Aug 17 17:46:10 | 74.0205 | 0.00242 | 22.1340 | 217.7588 | 300.3382 | 12.75423 | 8.243 |