| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 2251 DEB |
| Spacetrack catalog number | 26931 | 34011 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Apr 28 17:33 | 2025 Apr 29 04:28 |
| Time of closest approach (UTC) | 2025 Mar 27 08:13:02.456 |
| Minimum distance | 254.978 km |
| Height difference | -3.008 km |
| Relative speed | 12.890 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 46.8°N, 164.8°E |
| Height | 797 km |
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