| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 2251 DEB |
| Spacetrack catalog number | 26931 | 35459 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 May 28 10:05 | 2023 May 27 04:14 |
| Time of closest approach (UTC) | 2023 Mar 22 16:00:27.260 |
| Minimum distance | 54.426 km |
| Height difference | 6.944 km |
| Relative speed | 14.035 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 8.0°S, 3.2°W |
| Height | 787 km |
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