| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 7735 | 37060 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 05 16:44 | 2023 Nov 09 20:57 |
| Time of closest approach (UTC) | 2023 Oct 03 18:21:20.365 |
| Minimum distance | 2.583 km |
| Height difference | 2.428 km |
| Relative speed | 11.958 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 59.1°N, 20.3°E |
| Height | 852 km |
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