| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 38725 | 12172 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 06:26 | 2024 Dec 22 00:38 |
| Time of closest approach (UTC) | 2024 Dec 24 16:54:31.742 |
| Minimum distance | 3.036 km |
| Height difference | -1.643 km |
| Relative speed | 10.393 km/s |
| Angle between velocity vectors | 88° |
| Geographic position | 77.7°N, 15.0°W |
| Height | 803 km |
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