| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 31888 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:39 | 2024 Dec 22 16:28 |
| Time of closest approach (UTC) | 2024 Dec 23 19:42:37.664 |
| Minimum distance | 1.164 km |
| Height difference | -1.137 km |
| Relative speed | 12.865 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 72.4°N, 158.5°W |
| Height | 807 km |
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