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 |
| 2026 Jun 13 17:56 | 2026 Jun 12 00:48:47 | 74.0559 | 0.00243 | 17.5958 | 167.0433 | 5.9740 | 12.43258 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 00:48:47 | 74.0559 | 0.00243 | 17.5958 | 167.0433 | 5.9740 | 12.43258 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 01:05:25 | 74.0560 | 0.00244 | 18.0315 | 174.4300 | 5.9740 | 12.43258 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 01:05:25 | 74.0560 | 0.00244 | 18.0315 | 174.4300 | 5.9740 | 12.43258 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 01:05:25 | 74.0560 | 0.00244 | 18.0315 | 174.4300 | 5.9740 | 12.43258 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 01:05:25 | 74.0560 | 0.00244 | 18.0315 | 174.4300 | 5.9740 | 12.43258 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 01:05:25 | 74.0560 | 0.00244 | 18.0315 | 174.4300 | 5.9740 | 12.43258 | – |
| 2026 Jun 06 17:56 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 Jun 05 17:56 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 Jun 04 17:57 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 Jun 02 17:56 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 Jun 01 17:57 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 May 31 17:58 | 2026 May 31 12:09:20 | 74.0558 | 0.00244 | 18.6026 | 184.0744 | 5.9740 | 12.43258 | – |
| 2026 May 30 17:57 | 2026 May 26 03:17:26 | 74.0544 | 0.00245 | 19.0717 | 191.9634 | 5.9740 | 12.43258 | – |
| 2026 May 29 17:57 | 2026 May 26 03:17:26 | 74.0544 | 0.00245 | 19.0717 | 191.9634 | 5.9740 | 12.43258 | – |
| 2026 May 28 17:56 | 2026 May 26 03:17:26 | 74.0544 | 0.00245 | 19.0717 | 191.9634 | 5.9740 | 12.43258 | – |
| 2026 May 27 17:57 | 2026 May 26 03:17:26 | 74.0544 | 0.00245 | 19.0717 | 191.9634 | 5.9740 | 12.43258 | – |
| 2026 May 26 17:57 | 2026 May 26 03:17:26 | 74.0544 | 0.00245 | 19.0717 | 191.9634 | 5.9740 | 12.43258 | – |
| 2026 May 25 17:57 | 2026 May 21 10:25:50 | 74.0549 | 0.00246 | 19.4824 | 198.8833 | 5.9740 | 12.43258 | – |
| 2026 May 24 17:57 | 2026 May 21 10:25:50 | 74.0549 | 0.00246 | 19.4824 | 198.8833 | 5.9740 | 12.43258 | – |
| 2026 May 23 17:58 | 2026 May 21 10:25:50 | 74.0549 | 0.00246 | 19.4824 | 198.8833 | 5.9740 | 12.43258 | – |
| 2026 May 22 17:57 | 2026 May 21 10:25:50 | 74.0549 | 0.00246 | 19.4824 | 198.8833 | 5.9740 | 12.43258 | – |
| 2026 May 21 17:57 | 2026 May 21 10:25:50 | 74.0549 | 0.00246 | 19.4824 | 198.8833 | 5.9740 | 12.43258 | – |
| 2026 May 20 17:57 | 2026 May 16 10:47:38 | 74.0548 | 0.00246 | 19.9179 | 206.1990 | 5.9740 | 12.43258 | – |
| 2026 May 19 17:58 | 2026 May 16 10:47:38 | 74.0548 | 0.00246 | 19.9179 | 206.1990 | 5.9740 | 12.43258 | – |
| 2026 May 18 17:57 | 2026 May 16 10:47:38 | 74.0548 | 0.00246 | 19.9179 | 206.1990 | 5.9740 | 12.43258 | – |
| 2026 May 17 17:57 | 2026 May 16 10:47:38 | 74.0548 | 0.00246 | 19.9179 | 206.1990 | 5.9740 | 12.43258 | – |