| Primary satellite | Secondary satellite |
| Name | DX 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 40071 | 30611 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 06 04:21 | 2021 Mar 05 18:12 |
| Time of closest approach (UTC) | 2021 Jan 21 17:40:58.538 |
| Minimum distance | 43.793 km |
| Height difference | 4.986 km |
| Relative speed | 9.759 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 78.6°S, 120.8°W |
| Height | 655 km |
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