| Primary satellite | Secondary satellite |
| Name | NOSS 3-2 (C) | deb Delta 139 |
| Spacetrack catalog number | 28097 | 12211 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Jan 09 18:12 | 2021 Jan 16 12:22 |
| Time of closest approach (UTC) | 2020 Dec 05 08:15:10.845 |
| Minimum distance | 59.014 km |
| Height difference | -9.163 km |
| Relative speed | 14.153 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 54.4°N, 167.4°E |
| Height | 973 km |
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