| Primary satellite | Secondary satellite |
| Name | CZ-4 R/B | STARLINK-5291 |
| Spacetrack catalog number | 29507 | 55273 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Oct 01 14:23 | 2023 Oct 01 14:40 |
| Time of closest approach (UTC) | 2023 Jun 03 17:20:49.179 |
| Minimum distance | 6122.806 km |
| Height difference | -50.088 km |
| Relative speed | 14.493 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 51.0°S, 45.6°E |
| Height | 610 km |
|