HD 40307: planetary system
K2.5 V · 42.2 ly away · 5 confirmed planets.
Host star
Temperature4956 K
Radius0.72 R☉
Mass0.77 M☉
Distance42.2 ly
Brightnessmag 7.2
Spectral typeK2.5 V
Planets in this system
HD 40307 b
Sub-Neptune
– · 4.3 days year
HD 40307 c
Sub-Neptune
– · 9.6 days year
HD 40307 d
Sub-Neptune
– · 20 days year
HD 40307 f
Sub-Neptune · ESI 0.58
2.13 R⊕ · 52 days year
HD 40307 g
Sub-Neptune · ESI 0.76
2.56 R⊕ · 198 days year
Zoom out · nearby systems
GJ 238 →8.5 lyTOI-540 →11.3 lyL 98-59 →13.8 lyGJ 163 →14.4 lyCOCONUTS-2 A →14.6 lyHD 22496 →17.4 lyGJ 143 →18.1 lyGJ 341 →18.4 ly
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