| Primary satellite | Secondary satellite |
| Name | Oscar 19 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20442 | 30746 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Jun 20 11:32 | 2025 Jun 20 18:18 |
| Time of closest approach (UTC) | 2025 May 18 08:15:17.252 |
| Minimum distance | 15.718 km |
| Height difference | -1.214 km |
| Relative speed | 14.668 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 34.8°N, 137.6°E |
| Height | 787 km |
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