K-type star · orange dwarf
HD 40307
4956 K
temperature
0.72 R☉
radius
0.77 M☉
mass
0.230 L☉
luminosity
How long to get there · 42.2 ly away
At light speed, about 42 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.86×
as hot as the Sun
0.72×
the Sun's width
0.77×
the Sun's mass
0.23×
the Sun's light output
Worlds orbiting this star
- Explore →HD 40307 bSub-Neptune– · 4.3 days year
- Explore →HD 40307 cSub-Neptune– · 9.6 days year
- Explore →HD 40307 dSub-Neptune– · 20 days year
- Explore →HD 40307 fSub-Neptune · ESI 0.582.13 R⊕ · 52 days year
- Explore →HD 40307 gSub-Neptune · ESI 0.762.56 R⊕ · 198 days year
Explore from here · roam the neighborhood
Zoom out: system → (soon) galaxy arm, and the host black hole at the galaxy's heart.
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 7.2To see it 50 mm binoculars
Illustration generated from HD 40307's temperature, not a photograph.