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 |
| 2025 Sep 02 17:56 | 2025 Sep 02 04:04:07 | 0.0122 | 0.00005 | 8.0783 | 346.8799 | 306.5442 | 1.00272 | – |
| 2025 Sep 01 17:56 | 2025 Sep 01 07:30:47 | 0.0126 | 0.00004 | 8.0176 | 5.3921 | 306.5442 | 1.00272 | – |
| 2025 Aug 31 17:56 | 2025 Aug 31 05:49:07 | 0.0124 | 0.00002 | 7.9771 | 359.5262 | 306.5442 | 1.00272 | – |
| 2025 Aug 30 17:56 | 2025 Aug 29 21:16:12 | 0.0141 | 0.00001 | 7.8345 | 101.4003 | 306.5442 | 1.00272 | – |
| 2025 Aug 29 17:56 | 2025 Aug 29 05:51:13 | 0.0127 | 0.00001 | 7.9285 | 142.3597 | 306.5442 | 1.00272 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:18:38 | 0.0122 | 0.00003 | 7.8949 | 115.9109 | 306.5442 | 1.00272 | – |
| 2025 Aug 27 17:56 | 2025 Aug 26 09:50:38 | 0.0137 | 0.00005 | 7.7261 | 91.6167 | 306.5442 | 1.00272 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 14:34:50 | 0.0192 | 0.00004 | 7.8402 | 25.6516 | 306.5442 | 1.00272 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 14:34:50 | 0.0192 | 0.00004 | 7.8402 | 25.6516 | 306.5442 | 1.00272 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 14:34:50 | 0.0192 | 0.00004 | 7.8402 | 25.6516 | 306.5442 | 1.00272 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 14:34:50 | 0.0192 | 0.00004 | 7.8402 | 25.6516 | 306.5442 | 1.00272 | – |
| 2025 Aug 22 17:56 | 2025 Aug 20 14:34:50 | 0.0192 | 0.00004 | 7.8402 | 25.6516 | 306.5442 | 1.00272 | – |
| 2025 Aug 20 17:56 | 2025 Aug 20 06:00:56 | 0.0183 | 0.00004 | 7.9064 | 17.9111 | 306.5442 | 1.00272 | – |
| 2025 Aug 19 17:56 | 2025 Aug 19 07:44:44 | 0.0182 | 0.00004 | 7.8670 | 38.5406 | 306.5442 | 1.00272 | – |
| 2025 Aug 18 17:56 | 2025 Aug 18 04:20:18 | 0.0178 | 0.00002 | 7.8735 | 58.2494 | 306.5442 | 1.00272 | – |
| 2025 Aug 16 17:56 | 2025 Aug 16 06:05:14 | 0.0176 | 0.00003 | 7.9067 | 108.0709 | 306.5442 | 1.00272 | – |
| 2025 Aug 15 17:57 | 2025 Aug 14 12:58:27 | 0.0179 | 0.00004 | 7.8066 | 64.0550 | 306.5442 | 1.00272 | – |
| 2025 Aug 14 17:56 | 2025 Aug 13 12:59:36 | 0.0176 | 0.00005 | 7.8084 | 75.5827 | 306.5442 | 1.00272 | – |
| 2025 Aug 13 17:58 | 2025 Aug 12 13:00:36 | 0.0176 | 0.00006 | 7.7694 | 80.2674 | 306.5442 | 1.00272 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 21:34:28 | 0.0160 | 0.00005 | 7.8922 | 68.3254 | 306.5442 | 1.00272 | – |
| 2025 Aug 11 17:56 | 2025 Aug 11 06:10:29 | 0.0168 | 0.00007 | 7.7742 | 45.9414 | 306.5442 | 1.00272 | – |
| 2025 Aug 10 17:57 | 2025 Aug 09 13:03:37 | 0.0204 | 0.00009 | 7.7746 | 48.0879 | 306.5442 | 1.00272 | – |
| 2025 Aug 09 17:56 | 2025 Aug 09 04:29:44 | 0.0198 | 0.00010 | 7.8219 | 45.0926 | 306.5442 | 1.00272 | – |
| 2025 Aug 08 17:56 | 2025 Aug 08 07:56:13 | 0.0214 | 0.00010 | 7.8199 | 18.8895 | 306.5442 | 1.00272 | – |
| 2025 Aug 07 17:56 | 2025 Aug 06 22:29:38 | 0.0222 | 0.00008 | 7.8568 | 8.3523 | 306.5442 | 1.00272 | – |