| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 30749 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Dec 04 19:51 | 2025 Dec 04 07:19 |
| Time of closest approach (UTC) | 2025 Nov 11 05:33:02.816 |
| Minimum distance | 17.817 km |
| Height difference | -1.625 km |
| Relative speed | 13.160 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 65.9°N, 171.0°W |
| Height | 919 km |
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