| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 31348 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 27 20:08 | 2021 Feb 27 13:30 |
| Time of closest approach (UTC) | 2021 Jan 20 09:11:22.986 |
| Minimum distance | 4.802 km |
| Height difference | 1.570 km |
| Relative speed | 14.671 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 29.1°S, 157.2°E |
| Height | 809 km |
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