| Primary satellite | Secondary satellite |
| Name | ADEOS II | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 27597 | 39647 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 02 10:51 | 2023 Oct 01 02:38 |
| Time of closest approach (UTC) | 2023 Jun 11 10:49:35.440 |
| Minimum distance | 276.694 km |
| Height difference | -6.999 km |
| Relative speed | 13.137 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 62.2°N, 118.5°W |
| Height | 809 km |
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