| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 7735 | 39660 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Nov 28 16:18 | 2023 Nov 27 21:42 |
| Time of closest approach (UTC) | 2023 Oct 04 03:30:32.426 |
| Minimum distance | 11.849 km |
| Height difference | 1.745 km |
| Relative speed | 14.918 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 65.0°S, 108.9°E |
| Height | 795 km |
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