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 Dec 27 18:57 | 2025 Dec 27 08:44:38 | 0.0358 | 0.00012 | 6.4097 | 247.1097 | 256.0235 | 1.00281 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 08:43:38 | 0.0358 | 0.00009 | 6.4052 | 210.8145 | 256.0235 | 1.00281 | – |
| 2025 Dec 25 18:57 | 2025 Dec 25 01:08:01 | 0.0372 | 0.00007 | 6.3485 | 198.9690 | 256.0235 | 1.00281 | – |
| 2025 Dec 24 18:56 | 2025 Dec 24 06:18:29 | 0.0354 | 0.00006 | 6.2588 | 199.5281 | 256.0235 | 1.00281 | – |
| 2025 Dec 23 18:56 | 2025 Dec 23 08:03:15 | 0.0358 | 0.00008 | 6.1695 | 169.4485 | 256.0235 | 1.00281 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 13:19:17 | 0.0394 | 0.00008 | 6.3801 | 201.9979 | 256.0235 | 1.00281 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 13:19:17 | 0.0394 | 0.00008 | 6.3801 | 201.9979 | 256.0235 | 1.00281 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 13:19:17 | 0.0394 | 0.00008 | 6.3801 | 201.9979 | 256.0235 | 1.00281 | – |
| 2025 Dec 19 18:57 | 2025 Dec 19 06:28:20 | 0.0394 | 0.00007 | 6.4276 | 199.7888 | 256.0235 | 1.00281 | – |
| 2025 Dec 18 18:57 | 2025 Dec 18 06:30:12 | 0.0403 | 0.00005 | 6.6080 | 187.2248 | 256.0235 | 1.00281 | – |
| 2025 Dec 17 18:58 | 2025 Dec 17 15:05:42 | 0.0393 | 0.00003 | 6.7026 | 204.0439 | 256.0235 | 1.00281 | – |
| 2025 Dec 16 18:57 | 2025 Dec 16 08:16:37 | 0.0414 | 0.00002 | 7.0283 | 183.6026 | 256.0235 | 1.00281 | – |
| 2025 Dec 15 18:58 | 2025 Dec 14 16:53:56 | 0.0412 | 0.00003 | 7.0968 | 294.1627 | 256.0235 | 1.00281 | – |
| 2025 Dec 14 18:56 | 2025 Dec 14 11:45:40 | 0.0407 | 0.00002 | 7.1248 | 283.5443 | 256.0235 | 1.00281 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 20:23:08 | 0.0404 | 0.00005 | 7.0021 | 208.1778 | 256.0235 | 1.00281 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:41:20 | 0.0392 | 0.00005 | 6.9560 | 205.8807 | 256.0235 | 1.00281 | – |
| 2025 Dec 11 18:56 | 2025 Dec 11 08:25:58 | 0.0388 | 0.00004 | 6.7974 | 226.6030 | 256.0235 | 1.00281 | – |
| 2025 Dec 10 18:56 | 2025 Dec 10 06:21:38 | 0.0380 | 0.00004 | 6.5652 | 247.3156 | 256.0235 | 1.00281 | – |
| 2025 Dec 09 18:56 | 2025 Dec 09 13:37:52 | 0.0390 | 0.00006 | 6.5701 | 228.1001 | 256.0235 | 1.00281 | – |
| 2025 Dec 08 18:56 | 2025 Dec 08 06:48:44 | 0.0374 | 0.00006 | 6.2727 | 202.0822 | 256.0235 | 1.00281 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:50:38 | 0.0379 | 0.00008 | 6.2585 | 198.0122 | 256.0235 | 1.00281 | – |
| 2025 Dec 06 18:56 | 2025 Dec 06 06:52:28 | 0.0390 | 0.00006 | 6.3907 | 206.5044 | 256.0235 | 1.00281 | – |
| 2025 Dec 05 18:57 | 2025 Dec 05 15:28:03 | 0.0420 | 0.00007 | 6.9532 | 192.3350 | 256.0235 | 1.00281 | – |
| 2025 Dec 04 18:57 | 2025 Dec 04 05:13:19 | 0.0453 | 0.00008 | 7.5026 | 192.9264 | 256.0235 | 1.00281 | – |
| 2025 Dec 03 18:56 | 2025 Dec 03 08:40:34 | 0.0467 | 0.00006 | 8.1303 | 213.2068 | 256.0235 | 1.00281 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 08:42:16 | 0.0438 | 0.00008 | 8.1376 | 200.9089 | 256.0235 | 1.00281 | – |
| 2025 Nov 30 18:57 | 2025 Nov 28 18:08:18 | 0.0346 | 0.00005 | 7.9214 | 234.0388 | 256.0235 | 1.00281 | – |