Planet K2-251 b

Detailed information about planet K2-251 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name
K2-251 b
Planet Status
Confirmed
Discovered in
2018
Publication
Status
—
Update
2021-02-05
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.0694 ( +0.0005 -0.0005 ) AU
Orbital Period
9.30075 ( +0.00332 -0.00321 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.21 ( +0.023 -0.019 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.44 ( +0.33 -0.3 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
437.0 ( +9.0 -9.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
2MASS J12424541-0832094 b, EPIC 228758778 b, EPIC 228758778.01, WISE J124245.41-083209.3 b
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
K2-251
Distance
147.7 ( +1.0 -1.0 ) pc
Spectral type
—
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.52 ( +0.01 -0.01 ) MSun
Age
—
Effective temperature
3717.0 ( +85.0 -50.0 ) K
Radius
0.49 ( +0.01 -0.01 ) RSun
Metallicity [Fe/H]
-0.04 ( +0.18 -0.19 )
Detected Disc
—
Magnetic Field
—
RA2000
12:42:45.4
Dec2000
-08:32:09.3
Alternate Names
2MASS J12424541-0832094, EPIC 228758778, WISE J124245.41-083209.3

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