| Primary satellite | Secondary satellite |
| Name | COSMOS 2428 | FENGYUN 1C DEB |
| Spacetrack catalog number | 31792 | 31234 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 04:31 | 2023 Sep 30 07:17 |
| Time of closest approach (UTC) | 2023 Jun 05 06:46:33.737 |
| Minimum distance | 1093.029 km |
| Height difference | 1.902 km |
| Relative speed | 3.827 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 9.3°N, 167.8°E |
| Height | 857 km |
|