Planet K2-280 b

Detailed information about planet K2-280 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-280 b
Planet Status
Confirmed
Discovered in
2018
Update
2021-02-05
Mass
0.1167 ( ± 0.0176 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.1488 ( +0.0019 -0.002 ) AU
Orbital Period
19.895202 ( +0.000774 -0.000753 ) day
Eccentricity
0.35 ( ± 0.05 )
ω
246.77 ( +4.54 -5.28 ) deg
Tperi
2457315.06 ( +0.38 -0.44 ) JD
Radius
0.684 ( +0.023 -0.023 ) RJ
Inclination
89.4 ( ± 0.37 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2457307.58114 ( ± 0.00056 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.45 ( +0.17 -0.24 )
Time Vr=0
—
Velocity Semiamplitude K
9.18 ( ± 1.27 ) m/s
Calculated temperature
744.0 ( +15.0 -15.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
2MASS J19262288-2214514 b, EPIC 216494238 b, EPIC 216494238.01, WISE J192622.88-221451.6 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
K2-280
Distance
396.9 ( +7.31 -7.31 ) pc
Spectral type
—
Apparent magnitude V
12.5
Mass
1.11 ( +0.04 -0.04 ) MSun
Age
8.96 ( ± 1.7 ) Gyr
Effective temperature
5742.0 ( +90.0 -90.0 ) K
Radius
1.28 ( ± 0.07 ) RSun
Metallicity [Fe/H]
0.3 ( +0.05 -0.05 )
Detected Disc
—
Magnetic Field
—
RA2000
19:26:22.9
Dec2000
-22:14:51.6
Alternate Names
2MASS J19262288-2214514, EPIC 216494238, WISE J192622.88-221451.6

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