K-type star · orange dwarf
K2-257
3725 K
temperature
0.50 R☉
radius
0.52 M☉
mass
0.042 L☉
luminosity
How long to get there · 209 ly away
At light speed, about 209 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.65×
as hot as the Sun
0.50×
the Sun's width
0.52×
the Sun's mass
0.04×
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?
MID-SIZE TELESCOPE NEEDED
Brightness mag 13.7To see it 8-10" (200-250 mm) telescope
Illustration generated from K2-257's temperature, not a photograph.