M-type star · red dwarf
GJ 251
3342 K
temperature
0.36 R☉
radius
0.35 M☉
mass
0.015 L☉
luminosity
How long to get there · 18.2 ly away
At light speed, about 18 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.58×
as hot as the Sun
0.36×
the Sun's width
0.35×
the Sun's mass
0.02×
the Sun's light output
Worlds orbiting this star
- Explore →GJ 251 bSub-Neptune · ESI 0.711.79 R⊕ · 14 days year
- Explore →GJ 251 cSub-Neptune · ESI 0.771.80 R⊕ · 54 days year
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?
SMALL TELESCOPE NEEDED
Brightness mag 9.9To see it 4-6" (100-150 mm) telescope
Illustration generated from GJ 251's temperature, not a photograph.