| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 30903 | 13564 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 10:31 | 2024 Dec 22 21:13 |
| Time of closest approach (UTC) | 2024 Dec 23 15:34:31.296 |
| Minimum distance | 4.015 km |
| Height difference | 3.913 km |
| Relative speed | 9.564 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 78.1°S, 32.7°E |
| Height | 910 km |
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