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HN Lib b
Orbiting HN Lib, discovered in 2023 (7528) by Calar Alto Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 5.46 M⊕ |
| Orbital period | 36.12 Earth days (~0.1 Earth years) |
| Orbital eccentricity | 0.079 |
| Equilibrium temperature | 234 K (-39 °C) |
Host star — HN Lib
| Temperature | 3347 K (3074 °C) |
| Radius | 0.30 R☉ |
| Mass | 0.29 M☉ |
Location
| Distance from Earth | 6.2 pc (~20 light-years) |
| Right ascension / Declination | 218.5685 / -12.5170 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.