Orbital elements of COSMOS 1604
| Launched | 3 October 1984 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15350 |
| 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 08 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 7.8572 | 2.00661 | – |
| 2026 Mar 07 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 7.8572 | 2.00661 | – |
| 2026 Mar 06 18:56 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 7.8572 | 2.00661 | – |
| 2026 Mar 05 18:56 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 7.8572 | 2.00661 | – |
| 2026 Mar 04 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 7.8572 | 2.00661 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 7.8572 | 2.00661 | – |