Planet K2-386 Ab

Detailed information about planet K2-386 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
K2-386 Ab
Planet Status
Confirmed
Discovered in
2022
Publication
Status
—
Update
2025-09-04
Mass
0.01954 ( ± 0.01152 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.07255 ( +0.0026 -0.00227 ) AU
Orbital Period
7.473223 ( +0.000374 -0.000312 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.207 ( +0.00633 -0.00598 ) RJ
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
Theoretical
Radius Meas. Method
Primary Transit
Primary transit
2457395.904 ( +0.0024 -0.0025 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.246 ( +0.124 -0.154 )
Time Vr=0
—
Velocity Semiamplitude K
2.16 ( ± 1.28 ) m/s
Calculated temperature
1010.0 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
K2-386 A
Distance
428.785 ( +8.18 -7.885 ) pc
Spectral type
G2V
Apparent magnitude V
13.166
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.911 ( +0.088 -0.083 ) MSun
Age
—
Effective temperature
5749.0 ( ± 22.0 ) K
Radius
0.97 ( +0.023 -0.022 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
01:13:12.0
Dec2000
+07:00:46.9
Alternate Names
EPIC 220510874

Eeles-Nolle & Armstrong (2025): A faint companion, likely an M dwarf (Gaia DR3 2576757451617940352, G = 19.35), lies 10.2 arcseconds away (1,830 AUs at 428 pc).

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