| Primary satellite | Secondary satellite |
| Name | CORIOLIS | NOAA 11 |
| Spacetrack catalog number | 27640 | 19531 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 05 12:30 | 2021 Mar 05 11:29 |
| Time of closest approach (UTC) | 2021 Jan 19 06:55:31.415 |
| Minimum distance | 0.644 km |
| Height difference | 0.630 km |
| Relative speed | 0.141 km/s |
| Angle between velocity vectors | 1° |
| Geographic position | 71.0°S, 165.0°W |
| Height | 863 km |
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