| Primary satellite | Secondary satellite |
| Name | ADEOS Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 24279 | 31416 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 11 21:46 | 2021 Apr 11 14:05 |
| Time of closest approach (UTC) | 2021 Mar 07 02:24:17.484 |
| Minimum distance | 3.661 km |
| Height difference | 3.483 km |
| Relative speed | 13.878 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 65.2°N, 0.4°W |
| Height | 871 km |
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