Planet KELT-18 Ab

Detailed information about planet KELT-18 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
KELT-18 Ab
Planet Status
Confirmed
Discovered in
2017
Publication
Status
—
Update
2024-08-01
Mass
1.176 ( ± 0.036 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.04573 ( ± 0.00086 ) AU
Orbital Period
2.8716082 ( ± 1e-06 ) day
Eccentricity
0.0
Angular distance
—
ω
—
Tperi
—
Radius
1.568 ( ± 0.029 ) RJ
Inclination
89.24 ( ± 0.06 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458932.42707 ( ± 0.00024 ) JD
Secondary transit
2457541.08916 ( ± 0.00039 ) JD
λ
-94.8 ( ± 0.7 ) deg
Impact Parameter b
0.069 ( ± 0.05 )
Time Vr=0
—
Velocity Semiamplitude K
127.0 ( ± 13.0 ) m/s
Calculated temperature
2077.0 ( ± 38.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-1300 b, TOI-1300.01, BD+60 1538 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
KELT-18 A
Distance
311.0 ( ± 14.0 ) pc
Spectral type
F4V
Apparent magnitude V
10.1
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.524 ( ± 0.069 ) MSun
Age
1.9 ( ± 0.2 ) Gyr
Effective temperature
6670.0 ( ± 120.0 ) K
Radius
1.908 ( +0.042 -0.035 ) RSun
Metallicity [Fe/H]
0.09 ( ± 0.13 )
Detected Disc
—
Magnetic Field
—
RA2000
14:26:06.0
Dec2000
+59:26:39.0
Alternate Names
BD+60 1538, TOI-1300

An M dwarf companion star lies ~1100 AUs away.

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