| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 7735 | 43325 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 03 14:12 | 2023 Dec 02 07:59 |
| Time of closest approach (UTC) | 2023 Oct 03 19:01:35.415 |
| Minimum distance | 5.737 km |
| Height difference | -3.325 km |
| Relative speed | 14.941 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 60.8°S, 96.3°W |
| Height | 794 km |
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