Planet Kepler-157 Ab

Detailed information about planet Kepler-157 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
Kepler-157 Ab
Planet Status
Confirmed
Discovered in
2014
Publication
Status
Announced on a website
Update
2025-02-25
Mass
—
Mass*sin(i)
—
Semi-Major Axis
0.028 AU
Orbital Period
1.732342 ( +6e-06 -6e-06 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.118 ( +0.023 -0.023 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.02 ( +0.22 -0.22 )
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
2MASS J19242333+3852321 b, K00442.02, KIC 3745690 b, KOI-442 b, KOI-442.02, WISE J192423.32+385232.2 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-157 A
Distance
791.27 ( +10.88 -10.88 ) pc
Spectral type
G2V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
—
Age
—
Effective temperature
5774.0 ( ± 125.0 ) K
Radius
1.04 ( ± 0.2 ) RSun
Metallicity [Fe/H]
-0.108
Detected Disc
—
Magnetic Field
—
RA2000
19:24:23.3
Dec2000
+38:52:32.2
Alternate Names
2MASS J19242333+3852321, KIC 3745690, KOI-442, WISE J192423.32+385232.2

A late G dwarf companion star lies 0.097 arcseconds away (77 AUs at 790 pc). See Sullivan et al. (2024).

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