| Primary satellite | Secondary satellite |
| Name | First-Move | deb HAPS |
| Spacetrack catalog number | 39439 | 24682 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Feb 27 12:52 | 2021 Feb 27 17:22 |
| Time of closest approach (UTC) | 2021 Jan 20 09:57:11.789 |
| Minimum distance | 0.599 km |
| Height difference | -0.033 km |
| Relative speed | 15.016 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 77.4°N, 67.8°E |
| Height | 677 km |
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