Orbital elements of COSMOS 1637
| Launched | 20 March 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15619 |
| 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 Oct 29 18:57 | 2025 Oct 29 13:08:43 | 74.0571 | 0.00158 | 3.5924 | 277.1854 | 94.2372 | 12.47240 | – |
| 2025 Oct 28 18:57 | 2025 Oct 23 14:41:41 | 74.0560 | 0.00157 | 4.1146 | 285.7240 | 94.2372 | 12.47240 | – |
| 2025 Oct 27 18:57 | 2025 Oct 23 14:41:41 | 74.0560 | 0.00157 | 4.1146 | 285.7240 | 94.2372 | 12.47240 | – |
| 2025 Oct 26 18:57 | 2025 Oct 23 14:41:41 | 74.0560 | 0.00157 | 4.1146 | 285.7240 | 94.2372 | 12.47240 | – |
| 2025 Oct 25 17:57 | 2025 Oct 23 14:41:41 | 74.0560 | 0.00157 | 4.1146 | 285.7240 | 94.2372 | 12.47240 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 14:41:41 | 74.0560 | 0.00157 | 4.1146 | 285.7240 | 94.2372 | 12.47240 | – |
| 2025 Oct 22 17:56 | 2025 Oct 18 06:06:27 | 74.0547 | 0.00156 | 4.5861 | 293.5228 | 94.2372 | 12.47240 | – |
| 2025 Oct 21 17:56 | 2025 Oct 18 06:06:27 | 74.0547 | 0.00156 | 4.5861 | 293.5228 | 94.2372 | 12.47240 | – |
| 2025 Oct 20 17:56 | 2025 Oct 18 06:06:27 | 74.0547 | 0.00156 | 4.5861 | 293.5228 | 94.2372 | 12.47240 | – |
| 2025 Oct 19 17:56 | 2025 Oct 18 06:06:27 | 74.0547 | 0.00156 | 4.5861 | 293.5228 | 94.2372 | 12.47240 | – |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:06:27 | 74.0547 | 0.00156 | 4.5861 | 293.5228 | 94.2372 | 12.47240 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 12:02:36 | 74.0526 | 0.00155 | 5.5325 | 309.1487 | 94.2372 | 12.47240 | – |
| 2025 Oct 05 17:56 | 2025 Sep 25 23:10:09 | 74.0520 | 0.00154 | 6.5479 | 325.9885 | 94.2372 | 12.47240 | – |
| 2025 Oct 04 17:57 | 2025 Sep 25 23:10:09 | 74.0520 | 0.00154 | 6.5479 | 325.9885 | 94.2372 | 12.47240 | – |
| 2025 Oct 03 17:57 | 2025 Sep 25 23:10:09 | 74.0520 | 0.00154 | 6.5479 | 325.9885 | 94.2372 | 12.47240 | – |
| 2025 Oct 02 17:56 | 2025 Sep 25 23:10:09 | 74.0520 | 0.00154 | 6.5479 | 325.9885 | 94.2372 | 12.47240 | – |