| Primary satellite | Secondary satellite |
| Name | Cosmos 1607 | FENGYUN 1C DEB |
| Spacetrack catalog number | 15378 | 31834 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:56 | 2024 Dec 16 21:40 |
| Time of closest approach (UTC) | 2024 Dec 27 16:45:26.457 |
| Minimum distance | 4.159 km |
| Height difference | -3.790 km |
| Relative speed | 13.123 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 63.9°N, 93.4°E |
| Height | 971 km |
|