| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | IDEFIX/ARIANE 42P |
| Spacetrack catalog number | 30167 | 27422 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Jun 15 04:51 | 2025 Jun 15 17:28 |
| Time of closest approach (UTC) | 2025 May 19 20:28:34.449 |
| Minimum distance | 21.704 km |
| Height difference | -2.195 km |
| Relative speed | 13.555 km/s |
| Angle between velocity vectors | 132° |
| Geographic position | 68.4°S, 50.8°E |
| Height | 816 km |
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