| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP B5D2-4 |
| Spacetrack catalog number | 31357 | 18822 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 14:11 | 2024 Dec 23 09:59 |
| Time of closest approach (UTC) | 2024 Dec 24 07:32:47.710 |
| Minimum distance | 2.403 km |
| Height difference | -0.022 km |
| Relative speed | 14.059 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 63.7°S, 10.6°W |
| Height | 821 km |
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