| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 31313 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:39 | 2024 Dec 20 10:07 |
| Time of closest approach (UTC) | 2024 Dec 25 22:13:09.199 |
| Minimum distance | 2.503 km |
| Height difference | -0.709 km |
| Relative speed | 13.544 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 68.8°N, 158.4°E |
| Height | 806 km |
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