| Primary satellite | Secondary satellite |
| Name | CHUBUSAT 2 | STARLINK-1038 |
| Spacetrack catalog number | 41338 | 44743 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Sep 25 11:05 | 2023 Sep 25 20:12 |
| Time of closest approach (UTC) | 2023 Jun 12 10:36:24.563 |
| Minimum distance | 313.632 km |
| Height difference | -21.315 km |
| Relative speed | 9.982 km/s |
| Angle between velocity vectors | 82° |
| Geographic position | 9.1°N, 7.1°W |
| Height | 543 km |
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