| Primary satellite | Secondary satellite |
| Name | PRISM | STARLINK-3539 |
| Spacetrack catalog number | 33493 | 51853 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Dec 06 18:31 | 2023 Dec 06 17:53 |
| Time of closest approach (UTC) | 2023 Sep 29 03:05:43.105 |
| Minimum distance | 306.131 km |
| Height difference | -4.364 km |
| Relative speed | 13.607 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 51.6°S, 109.5°W |
| Height | 561 km |
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