| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 30462 | 12270 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 23:50 | 2024 Dec 23 08:22 |
| Time of closest approach (UTC) | 2024 Dec 24 05:46:57.904 |
| Minimum distance | 3.752 km |
| Height difference | 0.490 km |
| Relative speed | 7.879 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 79.5°S, 132.9°W |
| Height | 940 km |
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