| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 31196 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 23:10 | 2021 Jan 23 08:10 |
| Time of closest approach (UTC) | 2020 Dec 09 09:24:09.418 |
| Minimum distance | 19.552 km |
| Height difference | 1.651 km |
| Relative speed | 5.514 km/s |
| Angle between velocity vectors | 44° |
| Geographic position | 42.1°S, 164.7°E |
| Height | 881 km |
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