description HD 69830 b Overview
HD 69830 b is the innermost known planet around HD 69830, a nearby K-type star. It has a minimum mass of about 10 Earth masses and an orbital period of roughly 8.7 days, placing it in the super-Earth or mini-Neptune range rather than among Jupiter-sized planets. The same system contains two more known planets and a warm debris disk whose infrared emission has been compared with material in the Solar System’s asteroid-belt region.
help HD 69830 b FAQ
What type of planet is HD 69830 b?
HD 69830 b is the innermost known planet around the nearby K-type star HD 69830. Its minimum mass is about 10 Earth masses, placing it in the super-Earth or mini-Neptune range.
How long is a year on HD 69830 b?
It completes an orbit in roughly 8.7 days. The short period shows that it circles very close to its host star.
Does the HD 69830 system have other planets?
Yes, the system also includes HD 69830 c and HD 69830 d. Planet b is the innermost member, while the outer planets follow longer orbits.
Is HD 69830 b a Jupiter-sized gas giant?
No, its measured minimum mass is about 10 Earth masses, far below Jupiter's mass. Its classification is closer to a super-Earth or mini-Neptune than to a gas giant.
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