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 May 09 17:57 | 2025 May 08 22:19:59 | 74.0540 | 0.00151 | 18.8704 | 178.2298 | 302.2801 | 12.47237 | – |
| 2025 May 08 17:56 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 07 17:56 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 06 17:57 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 05 17:56 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 04 17:57 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 03 17:57 | 2025 May 03 15:02:17 | 74.0537 | 0.00152 | 19.3373 | 186.1286 | 302.2801 | 12.47237 | – |
| 2025 May 01 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 00:22:35 | 74.0541 | 0.00153 | 20.3593 | 203.3255 | 302.2801 | 12.47237 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 21:49:39 | 74.0548 | 0.00154 | 20.8967 | 212.3584 | 302.2801 | 12.47237 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 18:26:43 | 74.0558 | 0.00154 | 21.3491 | 219.9727 | 302.2801 | 12.47237 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 18:26:43 | 74.0558 | 0.00154 | 21.3491 | 219.9727 | 302.2801 | 12.47237 | – |