Kepler-257: planetary system

5180 K host star · 2,545 ly away · 3 confirmed planets.

Host star
Kepler-257 →
Temperature5180 K
Radius1.04 R☉
Mass0.92 M☉
Distance2,545 ly
Brightnessmag 15.7
Spectral type–
Planets in this system
Kepler-257 b
Sub-Neptune · ESI 0.17
2.61 R⊕ · 2.4 days year
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Kepler-257 c
Ice / gas giant · ESI 0.18
5.41 R⊕ · 6.6 days year
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Kepler-257 d
Ice / gas giant · ESI 0.30
4.95 R⊕ · 25 days year
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Zoom out · nearby systems
Kepler-963 →54.8 lyKepler-1108 →56.6 lyKepler-1681 →75.6 lyKepler-1739 →81.5 lyKepler-990 →83.5 lyKepler-528 →92.4 lyKepler-1189 →92.4 lyKepler-1259 →94.3 ly
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