| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 7735 | 39643 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Nov 30 12:06 | 2023 Nov 29 08:29 |
| Time of closest approach (UTC) | 2023 Oct 04 01:54:46.310 |
| Minimum distance | 5.003 km |
| Height difference | -1.371 km |
| Relative speed | 14.934 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 60.1°S, 90.6°E |
| Height | 796 km |
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