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 Mar 15 18:56 | 2026 Mar 15 15:19:25 | 74.0180 | 0.00247 | 2.6289 | 246.5270 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 09:05:30 | 74.0169 | 0.00248 | 3.1177 | 254.6009 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 09:05:30 | 74.0169 | 0.00248 | 3.1177 | 254.6009 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:05:30 | 74.0169 | 0.00248 | 3.1177 | 254.6009 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:05:30 | 74.0169 | 0.00248 | 3.1177 | 254.6009 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:05:30 | 74.0169 | 0.00248 | 3.1177 | 254.6009 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 10:02:45 | 74.0156 | 0.00248 | 3.6716 | 263.6749 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 10:45:31 | 74.0147 | 0.00248 | 4.2265 | 272.8118 | 286.8357 | 12.75428 | 8.243 |