| Primary satellite | Secondary satellite |
| Name | CRYOSAT 2 | Picosat 1&2 Tethered) |
| Spacetrack catalog number | 36508 | 26080 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 18 13:40 | 2021 Apr 18 06:26 |
| Time of closest approach (UTC) | 2021 Mar 06 23:06:23.049 |
| Minimum distance | 35.078 km |
| Height difference | 5.295 km |
| Relative speed | 12.959 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 76.6°S, 28.2°E |
| Height | 748 km |
|