Planet Kepler-388 Ab

Detailed information about planet Kepler-388 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
Kepler-388 Ab
Planet Status
Confirmed
Discovered in
2014
Publication
Status
Announced on a website
Update
2025-03-01
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.036 AU
Orbital Period
3.173315 ( +1.8e-05 -1.8e-05 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.072 ( +0.009 -0.009 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.2 ( +0.24 -0.24 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
2MASS J18591872+4436314 b, K02466.01, KIC 8544992 b, KOI-2466 b, KOI-2466.01, WISE J185918.73+443631.2 b
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
Kepler-388 A
Distance
611.32 ( +65.09 -65.09 ) pc
Spectral type
K5V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.59 MSun
Age
—
Effective temperature
4498.0 ( ± 200.0 ) K
Radius
0.59 ( ± 0.07 ) RSun
Metallicity [Fe/H]
-0.329
Detected Disc
—
Magnetic Field
—
RA2000
18:59:18.7
Dec2000
+44:36:31.4
Alternate Names
2MASS J18591872+4436314, KIC 8544992, KOI-2466, WISE J185918.73+443631.2

Sullivan et al. (2024): A nearly equal companion star is detected 0.09 arcseconds away (55 AUs at 611 pc).

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