| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 31947 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 24 15:49 | 2021 Feb 24 01:04 |
| Time of closest approach (UTC) | 2021 Jan 29 11:49:38.365 |
| Minimum distance | 20.286 km |
| Height difference | -3.046 km |
| Relative speed | 13.908 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 62.6°S, 160.0°W |
| Height | 841 km |
|