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 |
| 2025 May 09 17:57 | 2025 May 08 02:16:59 | 71.8400 | 0.55386 | 0.9743 | 339.0172 | 5.2463 | 2.00760 | – |
| 2025 May 08 17:56 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 07 17:56 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 06 17:57 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 05 17:56 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 04 17:57 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 03 17:57 | 2025 May 02 02:49:40 | 71.8320 | 0.55400 | 0.9927 | 339.2170 | 5.2463 | 2.00760 | – |
| 2025 May 01 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 03:44:46 | 71.8176 | 0.55425 | 1.0232 | 339.5516 | 5.2463 | 2.00760 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 04:23:57 | 71.8090 | 0.55442 | 1.0446 | 339.7866 | 5.2463 | 2.00760 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 16:49:13 | 71.8037 | 0.55454 | 1.0584 | 339.9393 | 5.2463 | 2.00760 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 16:49:13 | 71.8037 | 0.55454 | 1.0584 | 339.9393 | 5.2463 | 2.00760 | – |