| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 36169 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 17:57 | 2021 Jan 23 06:59 |
| Time of closest approach (UTC) | 2020 Nov 27 10:54:02.587 |
| Minimum distance | 144.704 km |
| Height difference | -2.357 km |
| Relative speed | 14.261 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 61.6°S, 46.5°W |
| Height | 694 km |
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