| Primary satellite | Secondary satellite |
| Name | Envisat | Diademe D-1D |
| Spacetrack catalog number | 27386 | 2680 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:03 | 2024 Dec 22 07:28 |
| Time of closest approach (UTC) | 2024 Dec 27 01:00:22.391 |
| Minimum distance | 2.733 km |
| Height difference | -2.285 km |
| Relative speed | 7.518 km/s |
| Angle between velocity vectors | 60° |
| Geographic position | 7.9°N, 26.8°E |
| Height | 765 km |
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