| Primary satellite | Secondary satellite |
| Name | Transit 4A | FENGYUN 1C DEB |
| Spacetrack catalog number | 116 | 30708 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:57 | 2024 Dec 22 13:04 |
| Time of closest approach (UTC) | 2024 Dec 25 21:40:36.832 |
| Minimum distance | 4.315 km |
| Height difference | -4.176 km |
| Relative speed | 12.211 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 66.9°S, 20.2°W |
| Height | 889 km |
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