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HD 40307 g

Orbiting HD 40307, discovered in 2013 (7518) by La Silla Observatory via the Radial Velocity method.

Planet

RadiusUnknown
Mass7.10 M⊕
Orbital period197.80 Earth days (~0.5 Earth years)
Orbital eccentricity0.290
Equilibrium temperatureUnknown

Host star — HD 40307

Temperature4956 K (4683 °C)
RadiusUnknown
Mass0.77 M☉

Location

Distance from Earth12.9 pc (~42 light-years)
Right ascension / Declination88.5172 / -60.0237

Last refreshed 2026-09-14 from NASA's Exoplanet Archive.