| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 35135 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 18 21:45 | 2026 Jan 17 18:14 |
| Time of closest approach (UTC) | 2025 Dec 19 17:45:02.218 |
| Minimum distance | 0.820 km |
| Height difference | -0.292 km |
| Relative speed | 14.568 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 39.4°N, 165.4°W |
| Height | 855 km |
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