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 30 17:58 | 2026 Mar 25 12:33:45 | 72.3038 | 0.54476 | 0.0134 | 328.3440 | 8.1877 | 2.00671 | – |
| 2026 Mar 29 17:57 | 2026 Mar 25 12:33:45 | 72.3038 | 0.54476 | 0.0134 | 328.3440 | 8.1877 | 2.00671 | – |
| 2026 Mar 28 18:57 | 2026 Mar 25 12:33:45 | 72.3038 | 0.54476 | 0.0134 | 328.3440 | 8.1877 | 2.00671 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 12:33:45 | 72.3038 | 0.54476 | 0.0134 | 328.3440 | 8.1877 | 2.00671 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 12:33:45 | 72.3038 | 0.54476 | 0.0134 | 328.3440 | 8.1877 | 2.00671 | – |
| 2026 Mar 25 18:56 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 24 18:56 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 23 18:56 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 22 18:56 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 21 19:05 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 20 18:57 | 2026 Mar 18 13:07:10 | 72.2937 | 0.54498 | 0.0337 | 328.5810 | 8.1877 | 2.00671 | – |
| 2026 Mar 19 18:56 | 2026 Mar 10 01:47:25 | 72.2819 | 0.54523 | 0.0584 | 328.8698 | 8.1877 | 2.00671 | – |
| 2026 Mar 18 18:56 | 2026 Mar 10 01:47:25 | 72.2819 | 0.54523 | 0.0584 | 328.8698 | 8.1877 | 2.00671 | – |
| 2026 Mar 17 18:56 | 2026 Mar 10 01:47:25 | 72.2819 | 0.54523 | 0.0584 | 328.8698 | 8.1877 | 2.00671 | – |
| 2026 Mar 16 18:57 | 2026 Mar 10 01:47:25 | 72.2819 | 0.54523 | 0.0584 | 328.8698 | 8.1877 | 2.00671 | – |
| 2026 Mar 15 18:56 | 2026 Mar 10 01:47:25 | 72.2819 | 0.54523 | 0.0584 | 328.8698 | 8.1877 | 2.00671 | – |
| 2026 Mar 14 18:56 | 2026 Mar 09 01:52:09 | 72.2805 | 0.54526 | 0.0613 | 328.9034 | 8.1877 | 2.00671 | – |
| 2026 Mar 13 18:57 | 2026 Mar 09 01:52:09 | 72.2805 | 0.54526 | 0.0613 | 328.9034 | 8.1877 | 2.00671 | – |
| 2026 Mar 12 18:57 | 2026 Mar 09 01:52:09 | 72.2805 | 0.54526 | 0.0613 | 328.9034 | 8.1877 | 2.00671 | – |
| 2026 Mar 11 18:56 | 2026 Mar 09 01:52:09 | 72.2805 | 0.54526 | 0.0613 | 328.9034 | 8.1877 | 2.00671 | – |
| 2026 Mar 10 18:56 | 2026 Mar 09 01:52:09 | 72.2805 | 0.54526 | 0.0613 | 328.9034 | 8.1877 | 2.00671 | – |
| 2026 Mar 09 18:56 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 08 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 07 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 06 18:56 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 05 18:56 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 04 18:57 | 2026 Mar 03 14:18:01 | 72.2730 | 0.54544 | 0.0773 | 329.0896 | 8.1877 | 2.00671 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 02:43:48 | 72.2647 | 0.54561 | 0.0933 | 329.2745 | 8.1877 | 2.00671 | – |