Planet WASP-154 b

Detailed information about planet WASP-154 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
WASP-154 b
Planet Status
Confirmed
Discovered in
2025
Publication
Status
Published in a refereed paper
Update
2025-04-14
Mass
0.626 ( ± 0.129 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.044 ( ± 0.003 ) AU
Orbital Period
3.811678 ( ± 1e-06 ) day
Eccentricity
0.0
Angular distance
—
ω
—
Tperi
—
Radius
0.96 ( ± 0.06 ) RJ
Inclination
88.46 ( +0.3 -0.27 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
0.31 ( ± 0.04 )
Time Vr=0
—
Velocity Semiamplitude K
94.55 ( +2.46 -2.44 ) m/s
Calculated temperature
994.0 ( ± 63.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-5288 b, TOI-5288.01
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
WASP-154
Distance
215.501 ( ± 1.962 ) pc
Spectral type
K3V
Apparent magnitude V
13.2
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.8 ( ± 0.05 ) MSun
Age
—
Effective temperature
4774.0 ( ± 133.0 ) K
Radius
0.823 ( ± 0.047 ) RSun
Metallicity [Fe/H]
0.2 ( ± 0.1 )
Detected Disc
—
Magnetic Field
—
RA2000
21:50:52.6
Dec2000
-08:38:09.4
Alternate Names
TOI-5288

Schanche et al. (2025) report a candidate companion star 5.3 arcseconds away (1140 AUs at 215 pc), likely an M dwarf.

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