Exoplanet HN Lib b
Radius2.20 R⊕Earth = 1
Mass5.5 M⊕Earth = 1
Orbital period36.12 d
Equilibrium temp.234 K≈ -39 °C
Distance20.4 ly
Discovered2023Radial Velocity
Size compared (radius, Earth = 1)
1.00
2.20
3.88
11.21
Where it sits among all planets (percentile)
33%
31%
74%
7%
1%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HN Lib (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HN Lib b | 36.12 | 2.20 | 5.5 | 234 | 2023 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HN Lib | M4.0 V | 3,347 | 0.30 | 0.29 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.