| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 31210 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Feb 27 18:25 | 2021 Feb 27 08:16 |
| Time of closest approach (UTC) | 2021 Jan 26 12:30:53.091 |
| Minimum distance | 13.142 km |
| Height difference | 2.604 km |
| Relative speed | 11.255 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 66.2°S, 123.0°E |
| Height | 893 km |
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