Planet Exomoon WASP-39 b I

Detailed information about planet Exomoon WASP-39 b I and its parameters.

Planet

Name
Exomoon WASP-39 b I
Planet Status
Candidate
Discovered in
2025
Publication
Status
—
Update
2025-12-10
Mass
—
Mass*sin(i)
—
Semi-Major Axis
—
Orbital Period
—
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Other
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
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

25 Sept 2025
The exomoon distance to the star is 1.5 RP and its orbital period < 15.3 hour (Oza et al. 2025)

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Star

Name
WASP-39
Distance
Spectral type
G8
Apparent magnitude V
12.11
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
Age
—
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
—
Magnetic Field
—
RA2000
14:29:18.0
Dec2000
-03:26:40.0
Alternate Names
—

Alias 2MASS 14291840-0326403)

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