M-type star · red dwarf
GJ 317
3496 K
temperature
0.40 R☉
radius
0.40 M☉
mass
0.021 L☉
luminosity
How long to get there · 49.6 ly away
At light speed, about 50 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
0.40×
the Sun's width
0.40×
the Sun's mass
0.02×
the Sun's light output
Worlds orbiting this star
- Explore →GJ 317 bGas giant · ESI 0.2213.30 R⊕ · 1.9 years year
- Explore →GJ 317 cGas giant · ESI 0.0913.60 R⊕ · 17.8 years 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 12.4To see it 4-6" (100-150 mm) telescope
Illustration generated from GJ 317's temperature, not a photograph.