| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1023 Rocket |
| Spacetrack catalog number | 31068 | 10962 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 17 17:10 | 2024 Dec 23 00:07 |
| Time of closest approach (UTC) | 2024 Dec 28 12:21:58.673 |
| Minimum distance | 3.676 km |
| Height difference | -1.186 km |
| Relative speed | 14.996 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 18.4°N, 69.1°E |
| Height | 748 km |
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