| Primary satellite | Secondary satellite |
| Name | YAOGAN 1 | UKube-1 |
| Spacetrack catalog number | 29092 | 40074 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 12 19:18 | 2021 Apr 13 12:55 |
| Time of closest approach (UTC) | 2021 Feb 28 18:15:06.759 |
| Minimum distance | 9.800 km |
| Height difference | -2.367 km |
| Relative speed | 14.939 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 3.5°S, 16.1°E |
| Height | 624 km |
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