| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12212 | 33737 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 20:45 | 2025 Jan 18 13:42 |
| Time of closest approach (UTC) | 2024 Dec 08 16:32:20.217 |
| Minimum distance | 99.699 km |
| Height difference | -1.935 km |
| Relative speed | 14.651 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 20.9°N, 58.3°E |
| Height | 886 km |
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