| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP 5D-3 F17 |
| Spacetrack catalog number | 35123 | 29522 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 17 17:10 | 2024 Dec 23 07:45 |
| Time of closest approach (UTC) | 2024 Dec 29 04:53:30.520 |
| Minimum distance | 4.148 km |
| Height difference | 1.594 km |
| Relative speed | 14.389 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 51.3°N, 171.8°W |
| Height | 850 km |
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