Planet HD 5388 b

Detailed information about planet HD 5388 b and its parameters.

Planet

Name
HD 5388 b
Planet Status
Confirmed
Discovered in
2009
Publication
Status
—
Update
2026-01-23
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
0.033208 arcsec
ω
Tperi
Radius
—
Inclination
Detection Method
Radial Velocity, Astrometry
Mass Meas. Method
Radial Velocity
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

16 Feb 2011: Using Hipparcos astrometric data, Sahlmann et al. (2011) find an orbit inclination of 178.3 deg. and thus a 69 MJup mass for a M sin i = 1.96 MJup (Santos et al. 2010).
15 Jan 2026: Planetary mass is confirmed by Piccinini et al. (2026) refuting previous claims of a stellar nature.

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Star

Name
HD 5388
Distance
Spectral type
F7IV
Apparent magnitude V
6.8
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
00:55:11.0
Dec2000
-47:24:21.0
Alternate Names
—

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