description HD 192310 b Overview
HD 192310 b is a planet with a minimum mass in the Neptune range orbiting the nearby K-type star HD 192310. Its existence was inferred from precise radial-velocity measurements, including observations made with the Keck and HARPS instruments, and was reported in 2011. The system also contains another known planet. Because radial velocity measures only minimum mass, the planet's true mass depends on its orbital inclination.
help HD 192310 b FAQ
How was HD 192310 b found?
It was inferred from precise radial-velocity measurements, including data from the Keck and HARPS instruments. The planet was reported in 2011 by Pepe and collaborators.
What is HD 192310 b's orbital period?
It completes an orbit in about 74.72 days at roughly 0.32 AU from the K-type star HD 192310. The same system also contains HD 192310 c, whose catalog period is about 526 days.
Is HD 192310 b a Neptune-like planet?
Its minimum mass is about 16.9 Earth masses, which is in the Neptune-mass range. Because the detection is radial velocity and the planet is not a confirmed transiting world, its radius and interior are less directly constrained.
Could HD 192310 b be habitable?
Its orbit is close to the star and its estimated equilibrium temperature is about 355 K, so it is not usually treated as an Earth-like surface world. In any case, radial velocity gives a minimum mass and there is no confirmed atmosphere for HD 192310 b.
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