Planet HD 143811 (AB)b

Detailed information about planet HD 143811 (AB)b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 143811 (AB)b
Mass
5.6 ( ± 1.1 ) MJ
Mass*sin(i)
—
Semi-Major Axis
63.88 AU
Orbital Period
119181.0 day
Eccentricity
0.23
ω
180.0 deg
Tperi
2459112.574 JD
Radius
1.4 ( ± 0.1 ) RJ
Inclination
37.5 deg
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
1000.0 ( ± 30.0 ) K
Measured temperature
1042.0 K
Hottest point longitude
—
Surface gravity log(g/gH)
—
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
HD 143811 (AB)
Distance
136.86 pc
Spectral type
F5V+F8V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
2.5 MSun
Age
0.018 ( ± 0.003 ) Gyr
Effective temperature
6575.0 ( ± 325.0 ) K
Radius
—
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
16:03:33.4
Dec2000
-30:08:13.4
Alternate Names
—

09 Sept 2025:
The stars is a 18.5 day period binary with individual masses 1.24 < m1 < 1.4 MSol and 1.08 < m2 < 1.28 MSol (Peck et al. 2025). Member of Scorpius-Centaurus Association.

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