| Primary satellite | Secondary satellite |
| Name | SL-16 R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 28353 | 30524 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Jun 19 09:38 | 2025 Jun 17 17:48 |
| Time of closest approach (UTC) | 2025 May 21 18:29:15.280 |
| Minimum distance | 32.771 km |
| Height difference | -0.012 km |
| Relative speed | 14.818 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 39.6°N, 15.5°W |
| Height | 848 km |
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