| Primary satellite | Secondary satellite |
| Name | PCSat | IRIDIUM 143 |
| Spacetrack catalog number | 26931 | 43258 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Apr 28 17:33 | 2025 Apr 28 21:55 |
| Time of closest approach (UTC) | 2025 Mar 25 00:03:59.062 |
| Minimum distance | 11.710 km |
| Height difference | -5.151 km |
| Relative speed | 14.113 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 44.1°S, 118.0°E |
| Height | 798 km |
|