| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 30938 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 20:59 | 2021 Feb 25 08:07 |
| Time of closest approach (UTC) | 2021 Jan 21 11:00:02.813 |
| Minimum distance | 8.109 km |
| Height difference | -4.050 km |
| Relative speed | 0.851 km/s |
| Angle between velocity vectors | 7° |
| Geographic position | 81.3°N, 41.7°E |
| Height | 820 km |
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