Planet K2-229 d

Detailed information about planet K2-229 d and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-229 d
Planet Status
Confirmed
Discovered in
2018
Update
2018-11-29
Mass
0.079 ( +0.0 -0.079 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.182 ( ± 0.0042 ) AU
Orbital Period
31.0 ( ± 1.1 ) day
Eccentricity
0.39 ( ± 0.29 )
ω
—
Tperi
—
Radius
0.2364 ( ± 0.0214 ) RJ
Inclination
88.92 ( ± 0.24 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
522.0 ( ± 15.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
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
K2-229
Distance
103.8 ( +1.0 -1.0 ) pc
Spectral type
G9
Apparent magnitude V
—
Mass
0.87 ( +0.01 -0.01 ) MSun
Age
5.4 ( +5.2 -3.7 ) Gyr
Effective temperature
5315.0 ( +35.0 -31.0 ) K
Radius
0.79 ( +0.01 -0.01 ) RSun
Metallicity [Fe/H]
-0.09 ( +0.02 -0.02 )
Detected Disc
—
Magnetic Field
—
RA2000
12:27:29.6
Dec2000
-06:43:18.7
Alternate Names
2MASS J12272958-0643188, EPIC 228801451, TYC 4947-834-1, WISE J122729.52-064318.6

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