| Primary satellite | Secondary satellite |
| Name | OPAL | NOAA 6 |
| Spacetrack catalog number | 26063 | 11416 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Mar 05 17:26 | 2021 Mar 05 18:10 |
| Time of closest approach (UTC) | 2021 Jan 17 19:20:35.510 |
| Minimum distance | 3.594 km |
| Height difference | -3.222 km |
| Relative speed | 11.202 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 75.7°N, 168.4°W |
| Height | 800 km |
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