| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 2251 DEB |
| Spacetrack catalog number | 26931 | 35580 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 May 31 00:09 | 2023 May 31 02:34 |
| Time of closest approach (UTC) | 2023 Mar 26 13:19:59.689 |
| Minimum distance | 26.344 km |
| Height difference | -1.926 km |
| Relative speed | 1.135 km/s |
| Angle between velocity vectors | 9° |
| Geographic position | 35.2°S, 136.4°W |
| Height | 803 km |
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