M-type star · red dwarf
GJ 357
3505 K
temperature
0.34 R☉
radius
0.34 M☉
mass
0.016 L☉
luminosity
How long to get there · 30.8 ly away
At light speed, about 31 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.61×
as hot as the Sun
0.34×
the Sun's width
0.34×
the Sun's mass
0.02×
the Sun's light output
Worlds orbiting this star
- Explore →GJ 357 bRocky world · ESI 0.541.20 R⊕ · 3.9 days year
- Explore →GJ 357 cRocky world · ESI 0.631.66 R⊕ · 9.1 days year
- Explore →GJ 357 dSub-Neptune · ESI 0.712.34 R⊕ · 56 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?
SMALL TELESCOPE NEEDED
Brightness mag 10.9To see it 4-6" (100-150 mm) telescope
Illustration generated from GJ 357's temperature, not a photograph.