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 Mar 29 17:57 | 2026 Mar 26 08:43:52 | 74.0551 | 0.00146 | 14.5844 | 54.3632 | 319.9020 | 12.47243 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 08:43:52 | 74.0551 | 0.00146 | 14.5844 | 54.3632 | 319.9020 | 12.47243 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 08:43:52 | 74.0551 | 0.00146 | 14.5844 | 54.3632 | 319.9020 | 12.47243 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 08:43:52 | 74.0551 | 0.00146 | 14.5844 | 54.3632 | 319.9020 | 12.47243 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 10:34:01 | 74.0537 | 0.00146 | 15.1057 | 63.6256 | 319.9020 | 12.47243 | – |
| 2026 Mar 19 18:56 | 2026 Mar 15 13:09:16 | 74.0531 | 0.00146 | 15.5362 | 71.2734 | 319.9020 | 12.47243 | – |
| 2026 Mar 18 18:56 | 2026 Mar 15 13:09:16 | 74.0531 | 0.00146 | 15.5362 | 71.2734 | 319.9020 | 12.47243 | – |
| 2026 Mar 17 18:56 | 2026 Mar 15 13:09:16 | 74.0531 | 0.00146 | 15.5362 | 71.2734 | 319.9020 | 12.47243 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 13:09:16 | 74.0531 | 0.00146 | 15.5362 | 71.2734 | 319.9020 | 12.47243 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:09:16 | 74.0531 | 0.00146 | 15.5362 | 71.2734 | 319.9020 | 12.47243 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 11:41:21 | 74.0522 | 0.00146 | 15.9816 | 79.1690 | 319.9020 | 12.47243 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 11:41:21 | 74.0522 | 0.00146 | 15.9816 | 79.1690 | 319.9020 | 12.47243 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 11:41:21 | 74.0522 | 0.00146 | 15.9816 | 79.1690 | 319.9020 | 12.47243 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 11:41:21 | 74.0522 | 0.00146 | 15.9816 | 79.1690 | 319.9020 | 12.47243 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 11:41:21 | 74.0522 | 0.00146 | 15.9816 | 79.1690 | 319.9020 | 12.47243 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 11:17:57 | 74.0517 | 0.00146 | 16.5112 | 88.6087 | 319.9020 | 12.47243 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:02:41 | 74.0517 | 0.00146 | 17.0329 | 97.8499 | 319.9020 | 12.47243 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:02:41 | 74.0517 | 0.00146 | 17.0329 | 97.8499 | 319.9020 | 12.47243 | – |