K2-21: planetary system

M0.0 · 273 ly away · 2 confirmed planets.

Host star
K2-21 →
Temperature4222 K
Radius0.65 R☉
Mass0.68 M☉
Distance273 ly
Brightnessmag 12.9
Spectral typeM0.0
Planets in this system
K2-21 b
Sub-Neptune · ESI 0.47
1.84 R⊕ · 9.3 days year
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K2-21 c
Sub-Neptune · ESI 0.59
2.49 R⊕ · 16 days year
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Zoom out · nearby systems
K2-167 →25.2 lyTOI-238 →45.4 lyK2-65 →50.8 lyK2-417 →63.3 lyK2-72 →64.3 lyK2-28 →75.0 lyHD 221416 →81.5 lyHIP 114933 →81.9 ly
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