G-type star · yellow dwarf, like our Sun
HD 20781
5256 K
temperature
0.83 R☉
radius
0.70 M☉
mass
0.490 L☉
luminosity
How long to get there · 117 ly away
At light speed, about 117 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.91×
as hot as the Sun
0.83×
the Sun's width
0.70×
the Sun's mass
0.49×
the Sun's light output
Worlds orbiting this star
- Explore →HD 20781 bRocky world · ESI 0.271.21 R⊕ · 5.3 days year
- Explore →HD 20781 cSub-Neptune · ESI 0.322.17 R⊕ · 14 days year
- Explore →HD 20781 dSub-Neptune · ESI 0.353.25 R⊕ · 29 days year
- Explore →HD 20781 eIce / gas giant · ESI 0.463.83 R⊕ · 86 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 8.5To see it 50 mm binoculars
Illustration generated from HD 20781's temperature, not a photograph.