| Primary satellite | Secondary satellite |
| Name | First-Move | GLOBAL-2 |
| Spacetrack catalog number | 39439 | 43812 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2021 Feb 27 12:52 | 2021 Feb 27 22:13 |
| Time of closest approach (UTC) | 2021 Jan 19 13:43:21.002 |
| Minimum distance | 8.471 km |
| Height difference | -0.346 km |
| Relative speed | 9.693 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 80.1°S, 178.3°E |
| Height | 608 km |
|