| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | START 1 DEB |
| Spacetrack catalog number | 31293 | 27752 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 06:21 | 2024 Dec 20 15:29 |
| Time of closest approach (UTC) | 2024 Dec 28 04:43:18.500 |
| Minimum distance | 3.898 km |
| Height difference | 0.558 km |
| Relative speed | 7.463 km/s |
| Angle between velocity vectors | 60° |
| Geographic position | 66.8°S, 132.3°W |
| Height | 820 km |
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