| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 2251 DEB |
| Spacetrack catalog number | 26931 | 33942 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2025 Jun 11 17:47 | 2025 Jun 11 17:04 |
| Time of closest approach (UTC) | 2025 May 24 15:16:29.058 |
| Minimum distance | 12.506 km |
| Height difference | -0.267 km |
| Relative speed | 12.042 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 55.4°S, 19.8°E |
| Height | 802 km |
|