| Primary satellite | Secondary satellite |
| Name | ZACube-1 | STARLINK-5912 |
| Spacetrack catalog number | 39417 | 56020 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2026 Jan 18 19:58 | 2026 Jan 18 19:18 |
| Time of closest approach (UTC) | 2025 Dec 15 07:09:01.732 |
| Minimum distance | 99.411 km |
| Height difference | 4.993 km |
| Relative speed | 14.188 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 17.7°S, 68.1°W |
| Height | 558 km |
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