Orbital elements of COSMOS 1636
| Launched | 20 March 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15618 |
| 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 Feb 26 20:45 | 2026 Feb 26 10:24:28 | 74.0585 | 0.00133 | 21.6710 | 226.2398 | 255.3951 | 12.45356 | – |
| 2026 Feb 05 18:58 | 2026 Feb 02 08:14:07 | 74.0581 | 0.00136 | 23.7832 | 260.8091 | 255.3951 | 12.45356 | – |
| 2026 Feb 04 18:57 | 2026 Feb 02 08:14:07 | 74.0581 | 0.00136 | 23.7832 | 260.8091 | 255.3951 | 12.45356 | – |
| 2026 Feb 03 18:56 | 2026 Feb 02 08:14:07 | 74.0581 | 0.00136 | 23.7832 | 260.8091 | 255.3951 | 12.45356 | – |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:14:07 | 74.0581 | 0.00136 | 23.7832 | 260.8091 | 255.3951 | 12.45356 | – |
| 2026 Feb 01 18:56 | 2026 Jan 27 09:09:01 | 74.0572 | 0.00137 | 0.3060 | 269.2260 | 255.3951 | 12.45356 | – |
| 2026 Jan 31 18:56 | 2026 Jan 27 09:09:01 | 74.0572 | 0.00137 | 0.3060 | 269.2260 | 255.3951 | 12.45356 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 09:09:01 | 74.0572 | 0.00137 | 0.3060 | 269.2260 | 255.3951 | 12.45356 | – |