| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Transit 4A |
| Spacetrack catalog number | 30634 | 116 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:49 | 2024 Dec 22 19:57 |
| 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, 12.7°W |
| Height | 951 km |
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