| Primary satellite | Secondary satellite |
| Name | PACE | YAOGAN-30 C |
| Spacetrack catalog number | 40022 | 42947 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Apr 12 19:07 | 2021 Apr 13 10:37 |
| Time of closest approach (UTC) | 2021 Mar 04 17:09:50.725 |
| Minimum distance | 11.096 km |
| Height difference | -2.015 km |
| Relative speed | 13.184 km/s |
| Angle between velocity vectors | 121° |
| Geographic position | 28.1°N, 117.9°E |
| Height | 595 km |
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