| Primary satellite | Secondary satellite |
| Name | deb Atmosphere 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20797 | 30751 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:55 | 2024 Dec 23 02:44 |
| Time of closest approach (UTC) | 2024 Dec 23 21:44:38.761 |
| Minimum distance | 1.077 km |
| Height difference | 0.174 km |
| Relative speed | 8.916 km/s |
| Angle between velocity vectors | 74° |
| Geographic position | 79.0°N, 131.0°W |
| Height | 854 km |
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