Orbital elements of COSMOS 2139
| Launched | 3 April 1991 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21216 |
| Alternative names |
GLONASS GLONASS 42 GN 750 |
| 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 Aug 29 17:56 | 2025 Aug 24 09:16:28 | 64.5551 | 0.00187 | 20.9872 | 225.4201 | 134.4935 | 2.13106 | – |
| 2025 Aug 28 17:57 | 2025 Aug 24 09:16:28 | 64.5551 | 0.00187 | 20.9872 | 225.4201 | 134.4935 | 2.13106 | – |
| 2025 Aug 27 17:56 | 2025 Aug 20 03:54:56 | 64.5579 | 0.00174 | 20.9971 | 221.7264 | 134.4935 | 2.13106 | – |
| 2025 Aug 26 17:56 | 2025 Aug 20 03:54:56 | 64.5579 | 0.00174 | 20.9971 | 221.7264 | 134.4935 | 2.13106 | – |
| 2025 Aug 25 17:56 | 2025 Aug 20 03:54:56 | 64.5579 | 0.00174 | 20.9971 | 221.7264 | 134.4935 | 2.13106 | – |
| 2025 Aug 24 17:56 | 2025 Aug 20 03:54:56 | 64.5579 | 0.00174 | 20.9971 | 221.7264 | 134.4935 | 2.13106 | – |
| 2025 Aug 23 17:56 | 2025 Aug 20 03:54:56 | 64.5579 | 0.00174 | 20.9971 | 221.7264 | 134.4935 | 2.13106 | – |
| 2025 Aug 22 17:56 | 2025 Aug 16 21:04:52 | 64.5600 | 0.00174 | 21.0047 | 221.6138 | 134.4935 | 2.13106 | – |
| 2025 Aug 20 17:56 | 2025 Aug 16 21:04:52 | 64.5600 | 0.00174 | 21.0047 | 221.6138 | 134.4935 | 2.13106 | – |
| 2025 Aug 19 17:56 | 2025 Aug 16 21:04:52 | 64.5600 | 0.00174 | 21.0047 | 221.6138 | 134.4935 | 2.13106 | – |
| 2025 Aug 18 17:56 | 2025 Aug 16 21:04:52 | 64.5600 | 0.00174 | 21.0047 | 221.6138 | 134.4935 | 2.13106 | – |
| 2025 Aug 16 17:56 | 2025 Aug 11 17:11:57 | 64.5635 | 0.00174 | 21.0167 | 221.2059 | 134.4935 | 2.13106 | – |
| 2025 Aug 15 17:57 | 2025 Aug 11 17:11:57 | 64.5635 | 0.00174 | 21.0167 | 221.2059 | 134.4935 | 2.13106 | – |
| 2025 Aug 14 17:56 | 2025 Aug 11 17:11:57 | 64.5635 | 0.00174 | 21.0167 | 221.2059 | 134.4935 | 2.13106 | – |
| 2025 Aug 13 17:58 | 2025 Aug 11 17:11:57 | 64.5635 | 0.00174 | 21.0167 | 221.2059 | 134.4935 | 2.13106 | – |
| 2025 Aug 12 17:56 | 2025 Aug 11 17:11:57 | 64.5635 | 0.00174 | 21.0167 | 221.2059 | 134.4935 | 2.13106 | – |
| 2025 Aug 11 17:56 | 2025 Aug 03 17:44:37 | 64.5689 | 0.00173 | 21.0353 | 221.3968 | 134.4935 | 2.13106 | – |
| 2025 Aug 10 17:57 | 2025 Aug 03 17:44:37 | 64.5689 | 0.00173 | 21.0353 | 221.3968 | 134.4935 | 2.13106 | – |
| 2025 Aug 09 17:56 | 2025 Aug 03 17:44:37 | 64.5689 | 0.00173 | 21.0353 | 221.3968 | 134.4935 | 2.13106 | – |
| 2025 Aug 08 17:56 | 2025 Aug 03 17:44:37 | 64.5689 | 0.00173 | 21.0353 | 221.3968 | 134.4935 | 2.13106 | – |
| 2025 Aug 07 17:56 | 2025 Aug 03 17:44:37 | 64.5689 | 0.00173 | 21.0353 | 221.3968 | 134.4935 | 2.13106 | – |
| 2025 Aug 05 17:56 | 2025 Jul 30 01:07:24 | 64.5718 | 0.00172 | 21.0462 | 221.2726 | 134.4935 | 2.13106 | – |
| 2025 Aug 04 17:56 | 2025 Jul 30 01:07:24 | 64.5718 | 0.00172 | 21.0462 | 221.2726 | 134.4935 | 2.13106 | – |
| 2025 Aug 03 17:56 | 2025 Jul 30 01:07:24 | 64.5718 | 0.00172 | 21.0462 | 221.2726 | 134.4935 | 2.13106 | – |
| 2025 Aug 02 17:56 | 2025 Jul 30 01:07:24 | 64.5718 | 0.00172 | 21.0462 | 221.2726 | 134.4935 | 2.13106 | – |