Planet K2-380 Ab

Detailed information about planet K2-380 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-380 Ab
Planet Status
Confirmed
Discovered in
2022
Publication
Status
Published in a refereed paper
Update
2025-09-04
Mass
0.02504 ( ± 0.0145 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.0953 ( +0.00734 -0.00683 ) AU
Orbital Period
9.401312 ( +0.00047 -0.0005 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.24347 ( +0.01659 -0.0157 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
Theoretical
Radius Meas. Method
Primary Transit
Primary transit
2457302.9354 JD
Secondary transit
—
λ
—
Impact Parameter b
0.883 ( +0.024 -0.03 )
Time Vr=0
—
Velocity Semiamplitude K
2.42 ( ± 1.52 ) m/s
Calculated temperature
1110.0 K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
K2-380 A
Distance
249.303 ( +2.941 -2.875 ) pc
Spectral type
G0IV-V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.993 ( +0.416 -0.302 ) MSun
Age
—
Effective temperature
5911.0 ( ± 138.0 ) K
Radius
1.32 ( +0.078 -0.072 ) RSun
Metallicity [Fe/H]
-0.049 ( ± 0.235 )
Detected Disc
—
Magnetic Field
—
RA2000
18:53:44.3
Dec2000
-26:32:19.4
Alternate Names
EPIC 214419545

Eeles-Nolle & Armstrong (2025): A faint companion, likely a very low-mass M dwarf (Gaia DR3 4073600390904362496, G = 20.55), lies 31.2 arcseconds away (7,770 AUs at 249 pc).

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