Planet G 203-50 b

Detailed information about planet G 203-50 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
G 203-50 b
Planet Status
Confirmed
Discovered in
2008
Update
2024-08-23
Mass
66.0 ( +8.0 -15.0 ) MJ
Mass*sin(i)
—
Semi-Major Axis
135.0 ( ± 25.0 ) AU
Orbital Period
—
Eccentricity
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Imaging
Mass Meas. Method
Spectrum
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
1700.0 K
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
RDN 1 b, 2MASS J17114559+4028578
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type L5. Radigan et al. (2008) derived a mass of 66-15+8 MJup. Faherty et al. (2020) provide a lower mass estimate (58 MJup).

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Star

Name
G 203-50
Distance
21.2084 ( ± 0.0264 ) pc
Spectral type
M6V
Apparent magnitude V
15.82
Mass
0.135 ( ± 0.02 ) MSun
Age
3.0 ( ± 2.0 ) Gyr
Effective temperature
3112.0 ( ± 157.0 ) K
Radius
0.164 ( ± 0.0049 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
17:11:46.1
Dec2000
+40:29:01.5
Alternate Names
RDN 1, NLTT 44347

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