| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 13563 | 38135 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:28 | 2024 Dec 16 21:33 |
| Time of closest approach (UTC) | 2024 Dec 27 14:21:12.961 |
| Minimum distance | 1.718 km |
| Height difference | 0.877 km |
| Relative speed | 5.652 km/s |
| Angle between velocity vectors | 44° |
| Geographic position | 80.5°N, 8.7°W |
| Height | 805 km |
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