| Primary satellite | Secondary satellite |
| Name | PROBA | UNIFORM 1 |
| Spacetrack catalog number | 26958 | 39767 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2025 Dec 05 06:07 | 2025 Dec 05 05:19 |
| Time of closest approach (UTC) | 2025 Nov 22 02:01:03.190 |
| Minimum distance | 35.473 km |
| Height difference | -4.259 km |
| Relative speed | 11.178 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 78.1°S, 9.6°E |
| Height | 613 km |
|