| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 13563 | 29994 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:28 | 2024 Dec 23 02:12 |
| Time of closest approach (UTC) | 2024 Dec 27 21:06:58.825 |
| Minimum distance | 2.823 km |
| Height difference | 2.108 km |
| Relative speed | 3.415 km/s |
| Angle between velocity vectors | 26° |
| Geographic position | 80.9°N, 118.2°W |
| Height | 806 km |
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