Planet HD 29985 b

Detailed information about planet HD 29985 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 29985 b
Planet Status
Confirmed
Discovered in
2022
Publication
Status
—
Update
2025-08-13
Mass
2.83 ( +0.67 -0.43 ) MJ
Mass*sin(i)
—
Semi-Major Axis
8.0 ( +2.6 -2.2 ) AU
Orbital Period
9855.0 ( +5110.0 -3650.0 ) day
Eccentricity
0.68 ( +0.14 -0.21 )
Angular distance
—
ω
89.414 ( +125.331 -91.445 ) deg
Tperi
—
Radius
—
Inclination
99.0 ( +49.0 -53.0 ) deg
Detection Method
Radial Velocity, Astrometry
Mass Meas. Method
Astrometry
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
40.318 ( +19.91 -17.125 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HIP 21865 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
HD 29985
Distance
31.2707 ( ± 0.021 ) pc
Spectral type
K4V
Apparent magnitude V
10.03
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.75 ( ± 0.0852 ) MSun
Age
—
Effective temperature
4678.0 ( ± 115.0 ) K
Radius
0.5746 ( ± 0.0391 ) RSun
Metallicity [Fe/H]
-0.22 ( ± 0.07 )
Detected Disc
—
Magnetic Field
—
RA2000
04:42:05.2
Dec2000
-33:55:11.3
Alternate Names
HIP 21865

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