| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CSL-04 Deb |
| Spacetrack catalog number | 30947 | 26347 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:15 | 2024 Dec 21 02:18 |
| Time of closest approach (UTC) | 2024 Dec 25 00:19:11.802 |
| Minimum distance | 3.861 km |
| Height difference | 3.752 km |
| Relative speed | 14.834 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 24.1°S, 48.7°W |
| Height | 708 km |
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