| Primary satellite | Secondary satellite |
| Name | DUCHIFAT 1 | YAOGAN-30 L |
| Spacetrack catalog number | 40021 | 43170 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Mar 05 19:14 | 2021 Mar 06 04:20 |
| Time of closest approach (UTC) | 2021 Jan 21 05:16:09.964 |
| Minimum distance | 13.799 km |
| Height difference | 1.731 km |
| Relative speed | 13.858 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 2.5°S, 60.2°W |
| Height | 600 km |
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