Orbital elements of COSMOS 1635
| Launched | 20 March 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15617 |
| 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 Dec 14 18:56 | 2025 Dec 12 04:37:37 | 74.0530 | 0.00239 | 9.4791 | 75.9667 | 97.2834 | 12.43255 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:37:37 | 74.0530 | 0.00239 | 9.4791 | 75.9667 | 97.2834 | 12.43255 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:37:37 | 74.0530 | 0.00239 | 9.4791 | 75.9667 | 97.2834 | 12.43255 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:35:30 | 74.0527 | 0.00239 | 9.9160 | 83.6337 | 97.2834 | 12.43255 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:35:30 | 74.0527 | 0.00239 | 9.9160 | 83.6337 | 97.2834 | 12.43255 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:35:30 | 74.0527 | 0.00239 | 9.9160 | 83.6337 | 97.2834 | 12.43255 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:35:30 | 74.0527 | 0.00239 | 9.9160 | 83.6337 | 97.2834 | 12.43255 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:35:30 | 74.0527 | 0.00239 | 9.9160 | 83.6337 | 97.2834 | 12.43255 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:17:41 | 74.0524 | 0.00239 | 10.3246 | 90.8242 | 97.2834 | 12.43255 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:17:41 | 74.0524 | 0.00239 | 10.3246 | 90.8242 | 97.2834 | 12.43255 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:17:41 | 74.0524 | 0.00239 | 10.3246 | 90.8242 | 97.2834 | 12.43255 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:17:41 | 74.0524 | 0.00239 | 10.3246 | 90.8242 | 97.2834 | 12.43255 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:17:41 | 74.0524 | 0.00239 | 10.3246 | 90.8242 | 97.2834 | 12.43255 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 07:06:12 | 74.0526 | 0.00239 | 10.9549 | 101.8453 | 97.2834 | 12.43255 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 07:22:58 | 74.0532 | 0.00239 | 11.3906 | 109.4668 | 97.2834 | 12.43255 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 07:22:58 | 74.0532 | 0.00239 | 11.3906 | 109.4668 | 97.2834 | 12.43255 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 07:22:58 | 74.0532 | 0.00239 | 11.3906 | 109.4668 | 97.2834 | 12.43255 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 07:22:58 | 74.0532 | 0.00239 | 11.3906 | 109.4668 | 97.2834 | 12.43255 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:34:38 | 74.0549 | 0.00239 | 12.4125 | 127.3987 | 97.2834 | 12.43255 | – |