| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12168 | 29932 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:02 | 2024 Dec 23 00:10 |
| Time of closest approach (UTC) | 2024 Dec 26 23:00:43.438 |
| Minimum distance | 4.305 km |
| Height difference | 2.192 km |
| Relative speed | 14.791 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 2.8°N, 64.7°W |
| Height | 811 km |
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