| Primary satellite | Secondary satellite |
| Name | CRYOSAT 2 | PEGASUS DEB |
| Spacetrack catalog number | 36508 | 27679 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 18 05:24 | 2021 Apr 18 07:51 |
| Time of closest approach (UTC) | 2021 Mar 05 17:49:02.941 |
| Minimum distance | 7.289 km |
| Height difference | -2.619 km |
| Relative speed | 15.023 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 28.9°N, 98.8°E |
| Height | 721 km |
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