Planet K2-228 Bb

Detailed information about planet K2-228 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-228 Bb
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.0338 ( +0.0003 -0.0003 ) AU
Orbital Period
2.69828 ( +0.00022 -0.00022 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.108 ( +0.009 -0.005 ) RJ
Inclination
—
Primary transit
—
Secondary transit
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λ
—
Impact Parameter b
0.42 ( +0.3 -0.29 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
914.0 ( +14.0 -13.0 ) K
Measured temperature
—
Hottest point longitude
—
Surface gravity log(g/gH)
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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Star

Name
K2-228 B
Distance
142.4 ( +3.2 -3.2 ) pc
Spectral type
K3V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.71 ( +0.02 -0.02 ) MSun
Age
—
Effective temperature
4715.0 ( +48.0 -46.0 ) K
Radius
0.65 ( +0.01 -0.01 ) RSun
Metallicity [Fe/H]
-0.25 ( +0.06 -0.06 )
Detected Disc
—
Magnetic Field
—
RA2000
12:29:10.7
Dec2000
-06:50:03.3
Alternate Names
WISE J122910.73-065003.2, EPIC 228798746, 2MASS J12291074-0650033

K2-228 is the secondary component of a widely separated (a = 3668 AUs) binary system including a Solar-type G dwarf.

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