| Primary satellite | Secondary satellite |
| Name | GEOS 3 Rocket | FENGYUN 3C |
| Spacetrack catalog number | 7735 | 39260 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Nov 28 16:18 | 2023 Nov 28 14:13 |
| Time of closest approach (UTC) | 2023 Oct 01 20:59:01.627 |
| Minimum distance | 32.173 km |
| Height difference | 1.588 km |
| Relative speed | 13.721 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 40.9°N, 49.4°W |
| Height | 838 km |
|