| Primary satellite | Secondary satellite |
| Name | PROBA | OBJECT B |
| Spacetrack catalog number | 26958 | 56154 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Dec 05 06:07 | 2025 Dec 04 16:24 |
| Time of closest approach (UTC) | 2025 Nov 22 17:27:44.498 |
| Minimum distance | 78.422 km |
| Height difference | 4.176 km |
| Relative speed | 15.041 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 31.1°N, 175.8°W |
| Height | 524 km |
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