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orange dwarf · K

TOI-178

TOI-178 is an orange dwarf 204 light-years from Earth, with a temperature of 4,316 K, 0.65 times the Sun's mass and an age of about 6 billion years. It has 6 known planets.

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Planets
6 
Distance
204 light-years62.7 pc
Star
4,316 K0.66 R☉

About this system

The innermost, TOI-178 b, circles it in 1.91 days; the outermost, TOI-178 g, in 20.7 days. One of them lies in the habitable zone: TOI-178 f.

Worlds of TOI-178

NameTypeSizeA yearTemperature
TOI-178 bEarth-sized 1.2 × Earth1.91 days1,040 K
TOI-178 cSuper-Earth 1.8 × Earth3.24 days873 K
TOI-178 dSub-Neptune 2.7 × Earth6.56 days690 K
TOI-178 eSub-Neptune 2.3 × Earth9.96 days600 K
TOI-178 fSub-Neptune 2.4 × Earth15.2 days521 K
TOI-178 gSub-Neptune 2.9 × Earth20.7 days470 K