| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 7735 | 35459 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 03 14:12 | 2023 Nov 26 21:16 |
| Time of closest approach (UTC) | 2023 Oct 02 02:32:33.056 |
| Minimum distance | 63.306 km |
| Height difference | -7.889 km |
| Relative speed | 14.761 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 53.1°S, 165.8°E |
| Height | 793 km |
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