K-type star · orange dwarf
GJ 3942
3867 K
temperature
0.61 R☉
radius
0.63 M☉
mass
0.076 L☉
luminosity
How long to get there · 55.2 ly away
At light speed, about 55 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.67×
as hot as the Sun
0.61×
the Sun's width
0.63×
the Sun's mass
0.08×
the Sun's light output
Worlds orbiting this star
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 10.2To see it 4-6" (100-150 mm) telescope
Illustration generated from GJ 3942's temperature, not a photograph.