Planet HD 222237 b

Detailed information about planet HD 222237 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 222237 b
Planet Status
Confirmed
Discovered in
2024
Publication
Status
—
Update
2025-08-13
Mass
5.0 ( +1.5 -1.0 ) MJ
Mass*sin(i)
—
Semi-Major Axis
12.9 ( +7.6 -3.1 ) AU
Orbital Period
20075.0 ( +20075.0 -6935.0 ) day
Eccentricity
0.54 ( +0.18 -0.15 )
Angular distance
—
ω
2.6 ( ± 1.4 ) deg
Tperi
2443747.0 ( +1661.0 -2116.0 ) JD
Radius
—
Inclination
94.0 ( +28.0 -29.0 ) 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
47.4 ( ± 1.1 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
GJ 902 b, HIP 116745 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 222237
Distance
11.4469 ( ± 0.00345 ) pc
Spectral type
K3V
Apparent magnitude V
7.1
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.76 ( ± 0.0924 ) MSun
Age
—
Effective temperature
4751.57 ( ± 139.318 ) K
Radius
0.709 ( ± 0.055 ) RSun
Metallicity [Fe/H]
-0.317 ( ± 0.0197 )
Detected Disc
—
Magnetic Field
—
RA2000
23:39:37.4
Dec2000
-72:43:19.8
Alternate Names
GJ 902, HIP 116745

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