Kepler-21: planetary system

F6 IV · 354 ly away · 1 confirmed planet.

Host star
Binary system · 2 stars
Kepler-21 →
Temperature6305 K
Radius1.90 R☉
Mass1.41 M☉
Distance354 ly
Brightnessmag 8.3
Spectral typeF6 IV

Kepler-21 is a binary system — 2 stars bound by gravity. The figures above are for Kepler-21, the planets’ host.

Planets in this system
Kepler-21 b
Rocky world · ESI 0.10
1.64 R⊕ · 2.8 days year
Explore →
Zoom out · nearby systems
Kepler-1308 →15.4 lyKepler-1869 →38.7 lyKepler-93 →45.1 lyKepler-504 →53.8 lyTOI-5788 →54.1 lyKepler-446 →58.1 lyKepler-102 →58.6 lyKepler-1649 →60.4 ly
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