| Primary satellite | Secondary satellite |
| Name | OPAL | FENGYUN 1C DEB |
| Spacetrack catalog number | 26063 | 30661 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 17:26 | 2021 Mar 05 20:08 |
| Time of closest approach (UTC) | 2021 Jan 20 09:08:04.967 |
| Minimum distance | 4.492 km |
| Height difference | -2.144 km |
| Relative speed | 13.399 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 67.4°N, 4.3°E |
| Height | 800 km |
|