| Primary satellite | Secondary satellite |
| Name | Tiros 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 29 | 31475 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 May 16 07:54 | 2025 May 13 09:42 |
| Time of closest approach (UTC) | 2025 Apr 28 15:29:09.532 |
| Minimum distance | 28.550 km |
| Height difference | 5.286 km |
| Relative speed | 14.412 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 19.8°N, 94.3°W |
| Height | 646 km |
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