| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 31552 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 13 12:51 | 2025 May 11 01:23 |
| Time of closest approach (UTC) | 2025 May 01 06:43:45.170 |
| Minimum distance | 41.419 km |
| Height difference | -0.738 km |
| Relative speed | 10.721 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 77.8°N, 143.2°E |
| Height | 808 km |
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