| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 2251 DEB |
| Spacetrack catalog number | 26931 | 34297 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Jun 11 17:47 | 2025 Jun 11 17:26 |
| Time of closest approach (UTC) | 2025 May 23 15:49:20.975 |
| Minimum distance | 2.078 km |
| Height difference | 1.410 km |
| Relative speed | 12.497 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 52.2°S, 19.8°E |
| Height | 801 km |
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