| Primary satellite | Secondary satellite |
| Name | Tiros 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 29 | 38827 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Nov 06 12:46 | 2025 Nov 06 07:26 |
| Time of closest approach (UTC) | 2025 Oct 18 16:27:33.437 |
| Minimum distance | 32.004 km |
| Height difference | -1.669 km |
| Relative speed | 13.665 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 41.5°N, 130.8°W |
| Height | 645 km |
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