| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1607 |
| Spacetrack catalog number | 31834 | 15378 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:40 | 2024 Dec 23 03:04 |
| Time of closest approach (UTC) | 2024 Dec 27 16:45:26.446 |
| Minimum distance | 4.182 km |
| Height difference | 3.788 km |
| Relative speed | 13.123 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 63.9°N, 93.4°E |
| Height | 967 km |
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