| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1656 |
| Spacetrack catalog number | 32243 | 18764 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:17 | 2024 Dec 23 09:59 |
| Time of closest approach (UTC) | 2024 Dec 28 02:28:01.022 |
| Minimum distance | 2.337 km |
| Height difference | 2.326 km |
| Relative speed | 4.852 km/s |
| Angle between velocity vectors | 37° |
| Geographic position | 31.3°N, 86.4°W |
| Height | 693 km |
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