| Primary satellite | Secondary satellite |
| Name | Transit 4A | FENGYUN 1C DEB |
| Spacetrack catalog number | 116 | 30634 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:57 | 2024 Dec 22 21:49 |
| Time of closest approach (UTC) | 2024 Dec 24 04:56:31.439 |
| Minimum distance | 1.812 km |
| Height difference | -1.164 km |
| Relative speed | 14.499 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 42.1°N, 12.8°W |
| Height | 953 km |
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