| 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 05 02:02 | 2023 Jun 04 23:00 |
| Time of closest approach (UTC) | 2023 Apr 02 18:30:45.063 |
| Minimum distance | 9.688 km |
| Height difference | 2.052 km |
| Relative speed | 14.636 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 40.5°S, 7.5°W |
| Height | 788 km |
|