| Primary satellite | Secondary satellite |
| Name | OPAL | FENGYUN 1C DEB |
| Spacetrack catalog number | 26063 | 31381 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 17:26 | 2021 Mar 05 12:13 |
| Time of closest approach (UTC) | 2021 Jan 17 20:35:39.033 |
| Minimum distance | 3.932 km |
| Height difference | 1.276 km |
| Relative speed | 14.698 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 10.2°S, 140.9°W |
| Height | 793 km |
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