| Primary satellite | Secondary satellite |
| Name | OPAL | FENGYUN 1C DEB |
| Spacetrack catalog number | 26063 | 30241 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 17:26 | 2021 Mar 05 13:00 |
| Time of closest approach (UTC) | 2021 Jan 17 17:55:40.003 |
| Minimum distance | 26.887 km |
| Height difference | -1.320 km |
| Relative speed | 14.587 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 44.4°N, 87.4°E |
| Height | 770 km |
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