M-type star · red dwarf

TOI-2257

188 ly1 known planetbrightness mag 15.2M3
3430 K
temperature
0.31 R☉
radius
0.33 M☉
mass
0.014 L☉
luminosity
How long to get there · 188 ly away

At light speed, about 188 years to reach this system.

See the full survival timeline (jet to folding spacetime) →
Size vs the Sun
SunTOI-2257 is 3.2× narrower than the Sun
How it compares with our Sun
0.59×
as hot as the Sun
0.31×
the Sun's width
0.33×
the Sun's mass
0.01×
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 15.2To see it 10"+ (250 mm) telescope, dark sky

Illustration generated from TOI-2257's temperature, not a photograph.