| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12168 | 29750 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:02 | 2024 Dec 23 00:53 |
| Time of closest approach (UTC) | 2024 Dec 25 20:57:39.971 |
| Minimum distance | 2.862 km |
| Height difference | -2.225 km |
| Relative speed | 14.464 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 45.7°N, 25.3°W |
| Height | 896 km |
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