Planet K2-146 c

Detailed information about planet K2-146 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-146 c
Planet Status
Confirmed
Discovered in
2019
Update
2021-02-05
Mass
0.02358 ( +0.00031 -0.00031 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.034 ( ± 0.001 ) AU
Orbital Period
4.00498 ( ± 0.00011 ) day
Eccentricity
0.075 ( ± 0.016 )
ω
130.0 ( ± 5.0 ) deg
Tperi
—
Radius
0.195 ( +0.006 -0.006 ) RJ
Inclination
87.54 ( ± 0.04 ) deg
Detection Method
Primary Transit
Mass Meas. Method
TTV
Radius Meas. Method
Primary Transit
Primary transit
2458204.1316 ( ± 0.0007 ) JD
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
2MASS J08400641+1905346 c, EPIC 211924657 c, WISE J084006.41+190533.1 c
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Hamann et al. (2019) : K2-146 c is librating in a 3:2 resonance withe K2-146 b

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Star

Name
K2-146
Distance
79.31 ( ± 0.45 ) pc
Spectral type
M3.0 V
Apparent magnitude V
16.25
Mass
0.33 ( +0.01 -0.01 ) MSun
Age
5.0 ( +4.0 --2.0 ) Gyr
Effective temperature
3385.0 ( ± 70.0 ) K
Radius
0.33 ( ± 0.01 ) RSun
Metallicity [Fe/H]
-0.02 ( ± 0.12 )
Detected Disc
—
Magnetic Field
—
RA2000
08:40:06.4
Dec2000
+19:05:34.4
Alternate Names
UCAC3 219-93463, 2MASS J08400641+1905346, K2-146, EPIC 211924657, WISE J084006.41+190533.1

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