| Primary satellite | Secondary satellite |
| Name | IDEFIX/ARIANE 42P | OPS 4078 |
| Spacetrack catalog number | 27422 | 3510 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2023 Sep 24 09:59 | 2023 Sep 24 09:20 |
| Time of closest approach (UTC) | 2023 Jun 13 03:33:37.434 |
| Minimum distance | 84.858 km |
| Height difference | -0.354 km |
| Relative speed | 14.636 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 38.1°N, 22.7°W |
| Height | 802 km |
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