| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 31503 | 13563 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:29 | 2024 Dec 23 00:28 |
| Time of closest approach (UTC) | 2024 Dec 23 23:10:48.761 |
| Minimum distance | 2.609 km |
| Height difference | 1.785 km |
| Relative speed | 14.372 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 46.9°S, 98.1°E |
| Height | 866 km |
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