| Primary satellite | Secondary satellite |
| Name | STRAND 1 | SHIYUAN |
| Spacetrack catalog number | 39090 | 37931 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 08 12:00 | 2023 Jun 08 13:04 |
| Time of closest approach (UTC) | 2023 Apr 02 18:30:37.138 |
| Minimum distance | 15.761 km |
| Height difference | 1.796 km |
| Relative speed | 14.636 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 40.4°S, 7.5°W |
| Height | 788 km |
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