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 |
| 2026 Jun 01 17:57 | 2026 May 31 09:43:58 | 74.0528 | 0.00155 | 8.7732 | 314.4254 | 213.3247 | 12.47244 | – |
| 2026 May 31 17:58 | 2026 May 31 09:43:58 | 74.0528 | 0.00155 | 8.7732 | 314.4254 | 213.3247 | 12.47244 | – |
| 2026 May 30 17:57 | 2026 May 26 05:42:00 | 74.0523 | 0.00154 | 9.2280 | 321.9321 | 213.3247 | 12.47244 | – |
| 2026 May 29 17:57 | 2026 May 26 05:42:00 | 74.0523 | 0.00154 | 9.2280 | 321.9321 | 213.3247 | 12.47244 | – |
| 2026 May 28 17:56 | 2026 May 26 05:42:00 | 74.0523 | 0.00154 | 9.2280 | 321.9321 | 213.3247 | 12.47244 | – |
| 2026 May 27 17:57 | 2026 May 26 05:42:00 | 74.0523 | 0.00154 | 9.2280 | 321.9321 | 213.3247 | 12.47244 | – |
| 2026 May 26 17:57 | 2026 May 26 05:42:00 | 74.0523 | 0.00154 | 9.2280 | 321.9321 | 213.3247 | 12.47244 | – |
| 2026 May 25 17:57 | 2026 May 21 12:31:02 | 74.0522 | 0.00153 | 9.6431 | 328.8211 | 213.3247 | 12.47244 | – |
| 2026 May 24 17:57 | 2026 May 21 12:31:02 | 74.0522 | 0.00153 | 9.6431 | 328.8211 | 213.3247 | 12.47244 | – |
| 2026 May 23 17:58 | 2026 May 21 12:31:02 | 74.0522 | 0.00153 | 9.6431 | 328.8211 | 213.3247 | 12.47244 | – |
| 2026 May 22 17:57 | 2026 May 21 12:31:02 | 74.0522 | 0.00153 | 9.6431 | 328.8211 | 213.3247 | 12.47244 | – |
| 2026 May 21 17:57 | 2026 May 21 12:31:02 | 74.0522 | 0.00153 | 9.6431 | 328.8211 | 213.3247 | 12.47244 | – |
| 2026 May 20 17:57 | 2026 May 16 11:37:37 | 74.0525 | 0.00153 | 10.0863 | 336.2365 | 213.3247 | 12.47244 | – |
| 2026 May 19 17:58 | 2026 May 16 11:37:37 | 74.0525 | 0.00153 | 10.0863 | 336.2365 | 213.3247 | 12.47244 | – |
| 2026 May 18 17:57 | 2026 May 16 11:37:37 | 74.0525 | 0.00153 | 10.0863 | 336.2365 | 213.3247 | 12.47244 | – |
| 2026 May 17 17:57 | 2026 May 16 11:37:37 | 74.0525 | 0.00153 | 10.0863 | 336.2365 | 213.3247 | 12.47244 | – |
| 2026 May 16 17:56 | 2026 May 16 11:37:37 | 74.0525 | 0.00153 | 10.0863 | 336.2365 | 213.3247 | 12.47244 | – |
| 2026 May 15 17:57 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 14 17:58 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 13 17:58 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 12 17:58 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 11 17:56 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 10 17:57 | 2026 May 10 12:59:08 | 74.0528 | 0.00152 | 10.6094 | 345.0527 | 213.3247 | 12.47244 | – |
| 2026 May 09 17:57 | 2026 May 05 11:28:14 | 74.0537 | 0.00151 | 11.0549 | 352.6153 | 213.3247 | 12.47244 | – |
| 2026 May 08 17:57 | 2026 May 05 11:28:14 | 74.0537 | 0.00151 | 11.0549 | 352.6153 | 213.3247 | 12.47244 | – |
| 2026 May 07 17:58 | 2026 May 05 11:28:14 | 74.0537 | 0.00151 | 11.0549 | 352.6153 | 213.3247 | 12.47244 | – |
| 2026 May 06 17:57 | 2026 May 05 11:28:14 | 74.0537 | 0.00151 | 11.0549 | 352.6153 | 213.3247 | 12.47244 | – |
| 2026 May 05 17:57 | 2026 May 05 11:28:14 | 74.0537 | 0.00151 | 11.0549 | 352.6153 | 213.3247 | 12.47244 | – |