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 May 30 17:57 | 2026 May 30 12:07:44 | 0.0481 | 0.00008 | 7.4154 | 354.2677 | 336.4530 | 1.00270 | – |
| 2026 May 29 17:57 | 2026 May 29 12:10:26 | 0.0474 | 0.00006 | 8.0361 | 356.3212 | 336.4530 | 1.00270 | – |
| 2026 May 28 17:56 | 2026 May 28 13:55:55 | 0.0318 | 0.00008 | 7.5969 | 1.5326 | 336.4530 | 1.00270 | – |
| 2026 May 27 17:57 | 2026 May 26 17:26:42 | 0.0438 | 0.00005 | 7.3549 | 47.7341 | 336.4530 | 1.00270 | – |
| 2026 May 26 17:57 | 2026 May 25 15:46:44 | 0.0397 | 0.00006 | 7.4346 | 36.9129 | 336.4530 | 1.00270 | – |
| 2026 May 25 17:57 | 2026 May 25 12:21:18 | 0.0491 | 0.00006 | 6.6424 | 45.6029 | 336.4530 | 1.00270 | – |
| 2026 May 24 17:57 | 2026 May 24 02:08:01 | 0.0386 | 0.00006 | 7.5507 | 28.7672 | 336.4530 | 1.00270 | – |
| 2026 May 23 17:58 | 2026 May 22 05:38:42 | 0.0382 | 0.00007 | 6.8673 | 350.5947 | 336.4530 | 1.00270 | – |
| 2026 May 22 17:57 | 2026 May 22 05:38:42 | 0.0382 | 0.00007 | 6.8673 | 350.5947 | 336.4530 | 1.00270 | – |
| 2026 May 21 17:57 | 2026 May 20 21:08:05 | 0.0360 | 0.00008 | 6.6110 | 358.8589 | 336.4530 | 1.00270 | – |
| 2026 May 20 17:57 | 2026 May 19 07:29:13 | 0.0381 | 0.00004 | 6.6214 | 1.8473 | 336.4530 | 1.00270 | – |
| 2026 May 19 17:58 | 2026 May 19 07:29:13 | 0.0381 | 0.00004 | 6.6214 | 1.8473 | 336.4530 | 1.00270 | – |
| 2026 May 18 17:57 | 2026 May 18 12:40:01 | 0.0379 | 0.00003 | 6.6562 | 5.2524 | 336.4530 | 1.00270 | – |
| 2026 May 17 17:57 | 2026 May 16 12:45:26 | 0.0479 | 0.00003 | 6.6614 | 146.7546 | 336.4530 | 1.00270 | – |
| 2026 May 16 17:56 | 2026 May 16 05:54:41 | 0.0496 | 0.00003 | 6.7626 | 141.1392 | 336.4530 | 1.00270 | – |
| 2026 May 15 17:57 | 2026 May 14 14:33:15 | 0.0074 | 0.00005 | 2.5966 | 201.4934 | 336.4530 | 1.00270 | – |
| 2026 May 14 17:58 | 2026 May 12 14:38:31 | 0.0043 | 0.00005 | 2.6653 | 185.6403 | 336.4530 | 1.00270 | – |
| 2026 May 13 17:58 | 2026 May 12 14:38:31 | 0.0043 | 0.00005 | 2.6653 | 185.6403 | 336.4530 | 1.00270 | – |
| 2026 May 12 17:58 | 2026 May 12 07:47:54 | 0.0035 | 0.00005 | 2.1271 | 191.4526 | 336.4530 | 1.00270 | – |
| 2026 May 11 17:56 | 2026 May 10 14:43:53 | 0.0031 | 0.00006 | 7.1431 | 102.7669 | 336.4530 | 1.00270 | – |
| 2026 May 10 17:57 | 2026 May 10 13:01:03 | 0.0032 | 0.00006 | 7.1703 | 100.5051 | 336.4530 | 1.00270 | – |
| 2026 May 09 17:57 | 2026 May 09 13:03:42 | 0.0055 | 0.00006 | 6.1452 | 94.7703 | 336.4530 | 1.00270 | – |
| 2026 May 08 17:57 | 2026 May 08 02:50:25 | 0.0055 | 0.00007 | 4.1442 | 138.0338 | 336.4530 | 1.00270 | – |
| 2026 May 07 17:58 | 2026 May 06 16:37:09 | 0.0064 | 0.00008 | 4.3513 | 134.0922 | 336.4530 | 1.00270 | – |
| 2026 May 06 17:57 | 2026 May 06 08:03:45 | 0.0065 | 0.00008 | 2.6936 | 158.7865 | 336.4530 | 1.00270 | – |
| 2026 May 05 17:57 | 2026 May 05 02:58:22 | 0.0042 | 0.00006 | 6.1642 | 100.6253 | 336.4530 | 1.00270 | – |
| 2026 May 04 17:57 | 2026 May 04 13:16:58 | 0.0037 | 0.00006 | 6.5094 | 80.3489 | 336.4530 | 1.00270 | – |
| 2026 May 03 17:57 | 2026 May 03 08:11:30 | 0.0035 | 0.00007 | 14.1709 | 345.9362 | 336.4530 | 1.00270 | – |