| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP 5D-3 F17 |
| Spacetrack catalog number | 29784 | 29522 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:28 | 2024 Dec 23 04:21 |
| Time of closest approach (UTC) | 2024 Dec 25 21:20:38.572 |
| Minimum distance | 4.199 km |
| Height difference | 3.033 km |
| Relative speed | 11.520 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 76.0°N, 170.2°E |
| Height | 848 km |
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