| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 13563 | 31503 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:28 | 2024 Dec 17 05:06 |
| Time of closest approach (UTC) | 2024 Dec 23 23:10:48.292 |
| Minimum distance | 4.240 km |
| Height difference | -1.818 km |
| Relative speed | 14.372 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 46.8°S, 98.2°E |
| Height | 867 km |
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