Planet K2-133 c

Detailed information about planet K2-133 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-133 c
Planet Status
Confirmed
Discovered in
2017
Update
2021-02-05
Mass
0.01 MJ
Mass*sin(i)
—
Semi-Major Axis
0.04341 ( +0.00034 -0.00035 ) AU
Orbital Period
4.86784 ( +0.00012 -0.00012 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.143 ( +0.008 -0.008 ) RJ
Inclination
88.21 ( +0.11 -0.08 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Theoretical
Radius Meas. Method
Primary Transit
Primary transit
2457823.7656 ( +0.0023 -0.0009 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.64 ( +0.046 -0.047 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
K2-133 c, 2MASS J04403562+2500361 c, EPIC 247887989 c, LP 358-499 c, WISE J044035.78+250035.5 c
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Wells et al. (2017) : The planetary mass of 3.2 earth masses assumes rocky composition. Assuming a gaseous composition, the planet mass is 2.2 earth masses.

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Star

Name
K2-133
Distance
75.2 ( +0.2 -0.2 ) pc
Spectral type
M1.5 V
Apparent magnitude V
—
Mass
0.46 ( +0.01 -0.01 ) MSun
Age
—
Effective temperature
3655.0 ( +80.0 -80.0 ) K
Radius
0.46 ( +0.02 -0.02 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
04:40:35.7
Dec2000
+25:00:36.0
Alternate Names
K2-133, 2MASS J04403562+2500361, EPIC 247887989, LP 358-499, WISE J044035.78+250035.5

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