| Primary satellite | Secondary satellite |
| Name | Tiros 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 29 | 30686 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Jun 19 16:08 | 2025 Jun 19 17:20 |
| Time of closest approach (UTC) | 2025 May 21 09:05:13.868 |
| Minimum distance | 121.720 km |
| Height difference | -1.215 km |
| Relative speed | 13.504 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 43.4°S, 53.3°W |
| Height | 661 km |
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