| Primary satellite | Secondary satellite |
| Name | PCSat | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 26931 | 39665 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Apr 28 17:33 | 2025 Apr 27 13:21 |
| Time of closest approach (UTC) | 2025 Mar 26 20:06:00.868 |
| Minimum distance | 32.500 km |
| Height difference | 2.078 km |
| Relative speed | 12.511 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 41.7°N, 142.9°W |
| Height | 793 km |
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