Orbital elements of COSMOS 2539
| Launched | 4 August 2019 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 44457 |
| 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 Jul 25 17:57 | 2026 Jul 24 12:59:37 | 0.0291 | 0.00005 | 7.2468 | 86.9507 | 313.5202 | 1.00275 | – |
| 2026 Jul 24 17:56 | 2026 Jul 24 06:08:57 | 0.0289 | 0.00005 | 7.2625 | 86.5346 | 313.5202 | 1.00275 | – |
| 2026 Jul 23 17:57 | 2026 Jul 22 07:57:29 | 0.0292 | 0.00007 | 7.2789 | 79.5992 | 313.5202 | 1.00275 | – |
| 2026 Jul 22 17:57 | 2026 Jul 22 04:32:06 | 0.0291 | 0.00006 | 7.2956 | 80.1873 | 313.5202 | 1.00275 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 13:08:15 | 0.0287 | 0.00006 | 7.4256 | 71.2595 | 313.5202 | 1.00275 | – |
| 2026 Jul 20 17:57 | 2026 Jul 20 06:20:33 | 0.0289 | 0.00008 | 7.2101 | 81.8871 | 313.5202 | 1.00275 | – |
| 2026 Jul 19 19:06 | 2026 Jul 18 22:30:38 | 0.0325 | 0.00008 | 7.1145 | 46.4024 | 313.5202 | 1.00275 | – |
| 2026 Jul 19 17:57 | 2026 Jul 18 22:30:38 | 0.0325 | 0.00008 | 7.1145 | 46.4024 | 313.5202 | 1.00275 | – |
| 2026 Jul 18 17:57 | 2026 Jul 17 23:54:02 | 0.0337 | 0.00008 | 7.1349 | 20.7835 | 313.5202 | 1.00275 | – |
| 2026 Jul 17 17:57 | 2026 Jul 17 13:19:49 | 0.0327 | 0.00007 | 7.0549 | 23.9252 | 313.5202 | 1.00275 | – |
| 2026 Jul 16 17:56 | 2026 Jul 14 23:05:19 | 0.0358 | 0.00008 | 6.8107 | 356.5248 | 313.5202 | 1.00275 | – |
| 2026 Jul 15 17:57 | 2026 Jul 14 23:05:19 | 0.0358 | 0.00008 | 6.8107 | 356.5248 | 313.5202 | 1.00275 | – |
| 2026 Jul 14 17:56 | 2026 Jul 14 04:55:12 | 0.0343 | 0.00008 | 6.8595 | 354.9022 | 313.5202 | 1.00275 | – |
| 2026 Jul 13 17:56 | 2026 Jul 12 23:50:01 | 0.0366 | 0.00003 | 6.6434 | 20.7864 | 313.5202 | 1.00275 | – |
| 2026 Jul 12 17:56 | 2026 Jul 12 08:26:03 | 0.0351 | 0.00003 | 6.6709 | 24.3135 | 313.5202 | 1.00275 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 08:28:56 | 0.0348 | 0.00003 | 6.7186 | 62.3089 | 313.5202 | 1.00275 | – |
| 2026 Jul 09 17:56 | 2026 Jul 08 08:37:24 | 0.0338 | 0.00003 | 6.7561 | 51.2749 | 313.5202 | 1.00275 | – |
| 2026 Jul 08 17:56 | 2026 Jul 08 08:37:24 | 0.0338 | 0.00003 | 6.7561 | 51.2749 | 313.5202 | 1.00275 | – |
| 2026 Jul 07 17:56 | 2026 Jul 06 12:08:12 | 0.0341 | 0.00004 | 6.7713 | 85.7934 | 313.5202 | 1.00275 | – |
| 2026 Jul 06 17:57 | 2026 Jul 06 07:00:23 | 0.0337 | 0.00004 | 6.7780 | 83.6686 | 313.5202 | 1.00275 | – |
| 2026 Jul 05 17:56 | 2026 Jul 04 12:13:53 | 0.0344 | 0.00007 | 6.6537 | 39.1271 | 313.5202 | 1.00275 | – |
| 2026 Jul 04 17:56 | 2026 Jul 04 03:40:45 | 0.0337 | 0.00007 | 6.6449 | 40.9000 | 313.5202 | 1.00275 | – |
| 2026 Jul 03 17:57 | 2026 Jun 30 21:55:38 | 0.0368 | 0.00005 | 6.1467 | 345.6977 | 313.5202 | 1.00275 | – |
| 2026 Jul 02 17:56 | 2026 Jun 30 21:55:38 | 0.0368 | 0.00005 | 6.1467 | 345.6977 | 313.5202 | 1.00275 | – |
| 2026 Jul 01 17:56 | 2026 Jun 30 21:55:38 | 0.0368 | 0.00005 | 6.1467 | 345.6977 | 313.5202 | 1.00275 | – |
| 2026 Jun 30 17:56 | 2026 Jun 30 07:17:21 | 0.0358 | 0.00005 | 6.1395 | 342.3306 | 313.5202 | 1.00275 | – |
| 2026 Jun 29 17:57 | 2026 Jun 28 14:13:41 | 0.0375 | 0.00007 | 6.0098 | 349.4312 | 313.5202 | 1.00275 | – |
| 2026 Jun 28 17:56 | 2026 Jun 27 23:54:40 | 0.0367 | 0.00007 | 6.0570 | 339.7853 | 313.5202 | 1.00275 | – |