| Primary satellite | Secondary satellite |
| Name | NOSS 2-2 (D) | FENGYUN 1C DEB |
| Spacetrack catalog number | 21808 | 30321 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Jan 16 17:56 | 2021 Jan 17 20:00 |
| Time of closest approach (UTC) | 2020 Dec 01 14:56:49.653 |
| Minimum distance | 8.105 km |
| Height difference | -3.250 km |
| Relative speed | 9.248 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 58.5°N, 100.0°W |
| Height | 820 km |
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