| Primary satellite | Secondary satellite |
| Name | deb Atmosphere 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20797 | 29888 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:55 | 2024 Dec 23 10:02 |
| Time of closest approach (UTC) | 2024 Dec 25 15:33:42.229 |
| Minimum distance | 4.471 km |
| Height difference | -3.875 km |
| Relative speed | 14.597 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 33.1°S, 19.5°E |
| Height | 848 km |
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