Kepler-399: planetary system

5502 K host star · 2,415 ly away · 3 confirmed planets.

Host star
Kepler-399 →
Temperature5502 K
Radius0.68 R☉
Mass0.90 M☉
Distance2,415 ly
Brightnessmag 14.7
Spectral type–
Planets in this system
Kepler-399 b
Rocky world · ESI 0.37
0.96 R⊕ · 14 days year
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Kepler-399 c
Rocky world · ESI 0.43
1.43 R⊕ · 27 days year
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Kepler-399 d
Sub-Neptune · ESI 0.51
1.89 R⊕ · 58 days year
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Zoom out · nearby systems
Kepler-1653 →111.5 lyKepler-631 →111.7 lyKepler-1765 →133.9 lyKepler-1722 →141.0 lyKepler-379 →145.2 lyKepler-203 →145.6 lyKepler-749 →149.3 lyKepler-624 →149.7 ly
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Other worlds toward Cygnus→Zoom out to the Milky Way→