| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 33603 | 13566 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:03 | 2024 Dec 22 13:51 |
| Time of closest approach (UTC) | 2024 Dec 26 08:56:42.350 |
| Minimum distance | 3.112 km |
| Height difference | 3.036 km |
| Relative speed | 13.065 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 71.3°S, 178.5°W |
| Height | 801 km |
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