| Primary satellite | Secondary satellite |
| Name | IDEFIX/ARIANE 42P | FENGYUN 1C DEB |
| Spacetrack catalog number | 27422 | 30072 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Apr 28 18:07 | 2025 Apr 28 19:15 |
| Time of closest approach (UTC) | 2024 Jun 15 17:13:19.639 |
| Minimum distance | 2149.245 km |
| Height difference | -33.519 km |
| Relative speed | 14.935 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 72.1°N, 85.6°W |
| Height | 813 km |
|