| Primary satellite | Secondary satellite |
| Name | Transit 2A | FENGYUN 1C DEB |
| Spacetrack catalog number | 45 | 31043 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 08:54 | 2021 Mar 07 08:36 |
| Time of closest approach (UTC) | 2021 Jan 22 08:03:03.236 |
| Minimum distance | 104.392 km |
| Height difference | -2.017 km |
| Relative speed | 11.845 km/s |
| Angle between velocity vectors | 106° |
| Geographic position | 66.6°S, 159.8°W |
| Height | 879 km |
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