G-type star · yellow dwarf, like our Sun
WASP-21
5800 K
temperature
1.06 R☉
radius
1.01 M☉
mass
2.015 L☉
luminosity
How long to get there · 843 ly away
At light speed, about 843 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
1.00×
as hot as the Sun
1.06×
the Sun's width
1.01×
the Sun's mass
2.01×
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?
SMALL TELESCOPE NEEDED
Brightness mag 11.6To see it 4-6" (100-150 mm) telescope
Illustration generated from WASP-21's temperature, not a photograph.