| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 36283 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 13:08 | 2021 Mar 07 18:06 |
| Time of closest approach (UTC) | 2021 Jan 26 23:10:35.249 |
| Minimum distance | 42.503 km |
| Height difference | 0.205 km |
| Relative speed | 13.190 km/s |
| Angle between velocity vectors | 121° |
| Geographic position | 66.6°N, 100.4°W |
| Height | 655 km |
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