| Primary satellite | Secondary satellite |
| Name | NOAA 15 | FENGYUN 1C DEB |
| Spacetrack catalog number | 25338 | 32352 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 26 03:43 | 2021 Feb 24 19:24 |
| Time of closest approach (UTC) | 2021 Jan 21 20:44:50.022 |
| Minimum distance | 3.251 km |
| Height difference | 1.441 km |
| Relative speed | 14.709 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 12.3°N, 23.0°W |
| Height | 801 km |
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