| Primary satellite | Secondary satellite |
| Name | NOSS 2-2 (D) | DMSP 5D-2 F11 DEB |
| Spacetrack catalog number | 21808 | 28325 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Jan 08 18:30 | 2021 Jan 15 08:30 |
| Time of closest approach (UTC) | 2020 Dec 05 19:07:42.845 |
| Minimum distance | 75.914 km |
| Height difference | -15.091 km |
| Relative speed | 13.888 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 59.8°N, 178.0°E |
| Height | 795 km |
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