Planet GJ 229 Ba

Detailed information about planet GJ 229 Ba and its parameters.

Planet

Name
GJ 229 Ba
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
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
CH4
Modeling Detected -3.352 ( +0.018 -0.017 ) 2022 - HOWE A.R.
CO
Modeling Detected -3.805 ( +0.11 -0.113 ) 2022 - HOWE A.R.
CO2
Modeling Detected -7.9 ( +2.6 -2.7 ) 2022 - HOWE A.R.
H2O
Modeling Detected -3.43 ( +0.017 -0.016 ) 2022 - HOWE A.R.
H2S
Modeling Detected -5.6 ( +0.9 -4.5 ) 2022 - HOWE A.R.
K
Modeling Detected -5.942 ( +0.11 -0.014 ) 2022 - HOWE A.R.
Na
Modeling Detected -5.942 ( +0.11 -0.014 ) 2022 - HOWE A.R.
NH3
Modeling Detected -4.504 ( +0.021 -0.024 ) 2022 - HOWE A.R.

11 Feb 2025
The GJ 229 B system has a semi-major axis of 42.9 AU around GJ 229 A (Thompson et al. 2025)

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Star

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