| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 31614 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 15:09 | 2021 Jan 24 23:24 |
| Time of closest approach (UTC) | 2020 Nov 27 06:56:02.990 |
| Minimum distance | 50.861 km |
| Height difference | -0.072 km |
| Relative speed | 14.500 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 56.2°N, 78.9°W |
| Height | 763 km |
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