M-type star · red dwarf

TOI-521

199 ly1 known planetbrightness mag 14.7M3
3544 K
temperature
0.42 R☉
radius
0.42 M☉
mass
0.025 L☉
luminosity
How long to get there · 199 ly away

At light speed, about 199 years to reach this system.

See the full survival timeline (jet to folding spacetime) →
Size vs the Sun
SunTOI-521 is 2.4× narrower than the Sun
How it compares with our Sun
0.61×
as hot as the Sun
0.42×
the Sun's width
0.42×
the Sun's mass
0.03×
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 14.7To see it 10"+ (250 mm) telescope, dark sky

Illustration generated from TOI-521's temperature, not a photograph.