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 Apr 14 17:57 | 2026 Apr 13 05:31:40 | 74.0531 | 0.00126 | 17.6547 | 158.1944 | 14.5224 | 12.45357 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 05:31:40 | 74.0531 | 0.00126 | 17.6547 | 158.1944 | 14.5224 | 12.45357 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 15:07:02 | 74.0528 | 0.00127 | 18.0582 | 165.0826 | 14.5224 | 12.45357 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 15:07:02 | 74.0528 | 0.00127 | 18.0582 | 165.0826 | 14.5224 | 12.45357 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 15:07:02 | 74.0528 | 0.00127 | 18.0582 | 165.0826 | 14.5224 | 12.45357 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 15:07:02 | 74.0528 | 0.00127 | 18.0582 | 165.0826 | 14.5224 | 12.45357 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 15:07:02 | 74.0528 | 0.00127 | 18.0582 | 165.0826 | 14.5224 | 12.45357 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:08:19 | 74.0525 | 0.00128 | 18.6209 | 174.6977 | 14.5224 | 12.45357 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 07:38:02 | 74.0529 | 0.00129 | 19.2258 | 185.0021 | 14.5224 | 12.45357 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 08:58:33 | 74.0541 | 0.00130 | 19.7471 | 193.9154 | 14.5224 | 12.45357 | – |
| 2026 Mar 19 18:56 | 2026 Mar 15 14:27:02 | 74.0551 | 0.00131 | 20.1656 | 200.9953 | 14.5224 | 12.45357 | – |