Planet K2-291 b

Detailed information about planet K2-291 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-291 b
Planet Status
Confirmed
Discovered in
2019
Update
2021-02-05
Mass
0.02042 ( +0.00365 -0.00365 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.03261 ( ± 0.00044 ) AU
Orbital Period
2.225177 ( +6.6e-05 -6.8e-05 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.142 ( +0.008 -0.006 ) RJ
Inclination
85.26 ( +0.23 -0.2 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2457830.06163 ( ± 0.001 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.646 ( +0.021 -0.026 )
Time Vr=0
—
Velocity Semiamplitude K
3.33 ( ± 0.59 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
EPIC 247418783 b, 2MASS J05054699+2132552 b, HD 285181 b, TYC 1294-1233-1 b, WISE J050547.01+213254.0 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
K2-291
Distance
90.29 ( +0.49 -0.49 ) pc
Spectral type
—
Apparent magnitude V
10.0
Mass
0.93 ( +0.04 -0.04 ) MSun
Age
3.72 ( +3.7 -2.0 ) Gyr
Effective temperature
5520.0 ( ± 60.0 ) K
Radius
0.9 ( +0.04 -0.03 ) RSun
Metallicity [Fe/H]
0.08 ( ± 0.04 )
Detected Disc
—
Magnetic Field
—
RA2000
05:05:47.0
Dec2000
+21:32:55.1
Alternate Names
EPIC 247418783, 2MASS J05054699+2132552, HD 285181, TYC 1294-1233-1, WISE J050547.01+213254.0

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