| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 41008 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 25 16:11 | 2021 Feb 23 09:38 |
| Time of closest approach (UTC) | 2021 Jan 28 07:11:21.299 |
| Minimum distance | 3.686 km |
| Height difference | -0.012 km |
| Relative speed | 12.160 km/s |
| Angle between velocity vectors | 106° |
| Geographic position | 66.6°N, 5.8°W |
| Height | 715 km |
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