| Primary satellite | Secondary satellite |
| Name | CSL-04 Debris | FENGYUN 1C DEB |
| Spacetrack catalog number | 25733 | 31923 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 26 18:10 | 2023 Sep 24 23:44 |
| Time of closest approach (UTC) | 2023 Jun 09 17:49:02.642 |
| Minimum distance | 153.679 km |
| Height difference | 1.165 km |
| Relative speed | 14.806 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 8.2°N, 37.4°E |
| Height | 838 km |
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