| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 31983 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 15:09 | 2021 Jan 24 14:21 |
| Time of closest approach (UTC) | 2020 Dec 01 07:08:55.266 |
| Minimum distance | 7.772 km |
| Height difference | 2.280 km |
| Relative speed | 14.053 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 60.2°S, 74.9°E |
| Height | 809 km |
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