| Primary satellite | Secondary satellite |
| Name | Vanguard 2 Rocket | STARLINK-6323 |
| Spacetrack catalog number | 12 | 56524 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:07 | 2026 Jan 18 16:06 |
| Time of closest approach (UTC) | 2025 Dec 08 20:30:29.008 |
| Minimum distance | 1036.655 km |
| Height difference | -11.797 km |
| Relative speed | 9.703 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 7.4°N, 41.0°W |
| Height | 569 km |
|