M-type star · red dwarf

K2-400

203 ly1 known planetbrightness mag 15.1M3
3578 K
temperature
0.38 R☉
radius
0.37 M☉
mass
0.018 L☉
luminosity
How long to get there · 203 ly away

At light speed, about 203 years to reach this system.

See the full survival timeline (jet to folding spacetime) →
Size vs the Sun
SunK2-400 is 2.6× narrower than the Sun
How it compares with our Sun
0.62×
as hot as the Sun
0.38×
the Sun's width
0.37×
the Sun's mass
0.02×
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 15.1To see it 10"+ (250 mm) telescope, dark sky

Illustration generated from K2-400's temperature, not a photograph.