M-type star · red dwarf

Kepler-42

131 ly3 known planetsbrightness mag 16.7M
3068 K
temperature
0.17 R☉
radius
0.13 M☉
mass
0.002 L☉
luminosity
How long to get there · 131 ly away

At light speed, about 131 years to reach this system.

See the full survival timeline (jet to folding spacetime) →
Size vs the Sun
SunKepler-42 is 5.9× narrower than the Sun
How it compares with our Sun
0.53×
as hot as the Sun
0.17×
the Sun's width
0.13×
the Sun's mass
0.002×
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?
FAINT — LARGE TELESCOPE NEEDED
Brightness mag 16.7To see it 10"+ (250 mm) telescope, dark sky

Illustration generated from Kepler-42's temperature, not a photograph.