K-type star · orange dwarf
K2-17
4320 K
temperature
0.66 R☉
radius
0.71 M☉
mass
0.101 L☉
luminosity
How long to get there · 408 ly away
At light speed, about 408 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.75×
as hot as the Sun
0.66×
the Sun's width
0.71×
the Sun's mass
0.10×
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 13.4To see it 8-10" (200-250 mm) telescope
Illustration generated from K2-17's temperature, not a photograph.