| Primary satellite | Secondary satellite |
| Name | CORIOLIS | PEGASUS DEB |
| Spacetrack catalog number | 27640 | 39318 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 24 20:04 | 2021 Feb 24 01:43 |
| Time of closest approach (UTC) | 2021 Jan 21 11:18:03.427 |
| Minimum distance | 3.171 km |
| Height difference | -0.095 km |
| Relative speed | 14.562 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 81.3°S, 163.4°W |
| Height | 864 km |
|