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 Mar 27 18:57 | 2026 Mar 27 06:19:38 | 0.0189 | 0.00003 | 7.9068 | 123.4863 | 49.5016 | 1.00271 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 06:22:05 | 0.0151 | 0.00003 | 8.4833 | 195.5414 | 49.5016 | 1.00271 | – |
| 2026 Mar 25 18:56 | 2026 Mar 25 14:57:52 | 0.0197 | 0.00002 | 7.7903 | 86.1421 | 49.5016 | 1.00271 | – |
| 2026 Mar 24 18:56 | 2026 Mar 24 08:09:39 | 0.0177 | 0.00001 | 7.9872 | 25.8683 | 49.5016 | 1.00271 | – |
| 2026 Mar 23 18:56 | 2026 Mar 22 21:56:05 | 0.0196 | 0.00003 | 7.9403 | 333.4238 | 49.5016 | 1.00271 | – |
| 2026 Mar 22 18:56 | 2026 Mar 22 04:49:09 | 0.0169 | 0.00004 | 8.3510 | 333.5419 | 49.5016 | 1.00271 | – |
| 2026 Mar 21 19:05 | 2026 Mar 19 18:38:00 | 0.0174 | 0.00001 | 8.2167 | 286.4652 | 49.5016 | 1.00271 | – |
| 2026 Mar 20 18:57 | 2026 Mar 19 18:38:00 | 0.0174 | 0.00001 | 8.2167 | 286.4652 | 49.5016 | 1.00271 | – |
| 2026 Mar 19 18:56 | 2026 Mar 19 06:39:15 | 0.0155 | 0.00001 | 8.3146 | 47.9545 | 49.5016 | 1.00271 | – |
| 2026 Mar 18 18:56 | 2026 Mar 13 20:35:10 | 0.0166 | 0.00005 | 7.7744 | 160.9492 | 49.5016 | 1.00271 | – |
| 2026 Mar 17 18:56 | 2026 Mar 13 20:35:10 | 0.0166 | 0.00005 | 7.7744 | 160.9492 | 49.5016 | 1.00271 | – |
| 2026 Mar 16 18:57 | 2026 Mar 13 20:35:10 | 0.0166 | 0.00005 | 7.7744 | 160.9492 | 49.5016 | 1.00271 | – |
| 2026 Mar 15 18:56 | 2026 Mar 13 20:35:10 | 0.0166 | 0.00005 | 7.7744 | 160.9492 | 49.5016 | 1.00271 | – |
| 2026 Mar 14 18:56 | 2026 Mar 13 20:35:10 | 0.0166 | 0.00005 | 7.7744 | 160.9492 | 49.5016 | 1.00271 | – |
| 2026 Mar 13 18:57 | 2026 Mar 12 18:54:49 | 0.0134 | 0.00005 | 8.0473 | 155.6479 | 49.5016 | 1.00271 | – |
| 2026 Mar 12 18:57 | 2026 Mar 11 19:23:44 | 0.0164 | 0.00002 | 7.6920 | 181.9727 | 49.5016 | 1.00271 | – |
| 2026 Mar 11 18:56 | 2026 Mar 11 08:41:05 | 0.0154 | 0.00002 | 7.7977 | 179.1841 | 49.5016 | 1.00271 | – |
| 2026 Mar 10 18:56 | 2026 Mar 09 21:03:38 | 0.0169 | 0.00001 | 7.7214 | 242.4009 | 49.5016 | 1.00271 | – |
| 2026 Mar 09 18:56 | 2026 Mar 07 07:07:44 | 0.0159 | 0.00004 | 7.8334 | 256.0891 | 49.5016 | 1.00271 | – |
| 2026 Mar 08 18:57 | 2026 Mar 07 07:07:44 | 0.0159 | 0.00004 | 7.8334 | 256.0891 | 49.5016 | 1.00271 | – |
| 2026 Mar 07 18:57 | 2026 Mar 07 07:07:44 | 0.0159 | 0.00004 | 7.8334 | 256.0891 | 49.5016 | 1.00271 | – |
| 2026 Mar 06 18:56 | 2026 Mar 06 08:52:34 | 0.0163 | 0.00005 | 7.7660 | 219.1235 | 49.5016 | 1.00271 | – |
| 2026 Mar 05 18:56 | 2026 Mar 05 14:03:18 | 0.0143 | 0.00011 | 7.9263 | 201.3130 | 49.5016 | 1.00271 | – |
| 2026 Mar 04 18:57 | 2026 Mar 03 07:17:14 | 0.0156 | 0.00009 | 7.6189 | 217.6637 | 49.5016 | 1.00271 | – |
| 2026 Mar 03 18:56 | 2026 Mar 03 07:17:14 | 0.0156 | 0.00009 | 7.6189 | 217.6637 | 49.5016 | 1.00271 | – |
| 2026 Mar 02 18:57 | 2026 Mar 01 05:39:15 | 0.0169 | 0.00005 | 7.9320 | 210.2024 | 49.5016 | 1.00271 | – |
| 2026 Mar 01 18:57 | 2026 Mar 01 05:39:15 | 0.0169 | 0.00005 | 7.9320 | 210.2024 | 49.5016 | 1.00271 | – |
| 2026 Feb 28 18:56 | 2026 Feb 28 06:19:38 | 0.0167 | 0.00006 | 7.8848 | 224.0596 | 49.5016 | 1.00271 | – |