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 |
| 2026 Apr 29 17:57 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 28 17:56 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 27 17:58 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 26 17:58 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 25 17:58 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 24 17:59 | 2026 Apr 23 01:13:26 | 64.3998 | 0.00154 | 20.4227 | 221.1887 | 138.7088 | 2.13106 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 19:51:56 | 64.4024 | 0.00153 | 20.4326 | 221.4683 | 138.7088 | 2.13106 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 19:51:56 | 64.4024 | 0.00153 | 20.4326 | 221.4683 | 138.7088 | 2.13106 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 19:51:56 | 64.4024 | 0.00153 | 20.4326 | 221.4683 | 138.7088 | 2.13106 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 19:51:56 | 64.4024 | 0.00153 | 20.4326 | 221.4683 | 138.7088 | 2.13106 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 19:51:56 | 64.4024 | 0.00153 | 20.4326 | 221.4683 | 138.7088 | 2.13106 | – |
| 2026 Apr 18 17:56 | 2026 Apr 09 21:53:14 | 64.4075 | 0.00152 | 20.4535 | 222.0026 | 138.7088 | 2.13106 | – |
| 2026 Apr 16 17:57 | 2026 Apr 09 21:53:14 | 64.4075 | 0.00152 | 20.4535 | 222.0026 | 138.7088 | 2.13106 | – |
| 2026 Apr 14 17:57 | 2026 Apr 09 21:53:14 | 64.4075 | 0.00152 | 20.4535 | 222.0026 | 138.7088 | 2.13106 | – |
| 2026 Apr 13 17:57 | 2026 Apr 09 21:53:14 | 64.4075 | 0.00152 | 20.4535 | 222.0026 | 138.7088 | 2.13106 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 13:34:37 | 64.4090 | 0.00152 | 20.4590 | 222.1620 | 138.7088 | 2.13106 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 13:34:37 | 64.4090 | 0.00152 | 20.4590 | 222.1620 | 138.7088 | 2.13106 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 13:34:37 | 64.4090 | 0.00152 | 20.4590 | 222.1620 | 138.7088 | 2.13106 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 13:34:37 | 64.4090 | 0.00152 | 20.4590 | 222.1620 | 138.7088 | 2.13106 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 13:34:37 | 64.4090 | 0.00152 | 20.4590 | 222.1620 | 138.7088 | 2.13106 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 12:38:49 | 64.4135 | 0.00152 | 20.4754 | 222.1000 | 138.7088 | 2.13106 | – |