Planet psi UMa b

Detailed information about planet psi UMa b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
psi UMa b
Planet Status
Candidate
Discovered in
2004
Update
2024-07-29
Mass
2.3 ( ± 0.3 ) MJ
Mass*sin(i)
—
Semi-Major Axis
1.44 ( ± 0.02 ) AU
Orbital Period
463.6 ( +10.9 -11.2 ) day
Eccentricity
0.3 ( ± 0.09 )
ω
42.1 ( +19.1 -24.1 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
43.0 m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HIP 54539 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
psi UMa
Distance
45.02477 ( ± 1.37852 ) pc
Spectral type
K1III
Apparent magnitude V
3.01
Mass
2.0 ( ± 0.29 ) MSun
Age
1.48 ( ± 0.61 ) Gyr
Effective temperature
4537.0 ( ± 27.0 ) K
Radius
20.45 ( ± 0.3 ) RSun
Metallicity [Fe/H]
-0.14 ( ± 0.1 )
Detected Disc
—
Magnetic Field
—
RA2000
11:09:39.8
Dec2000
+44:29:54.6
Alternate Names
52 UMa, HIP 54539

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