Planet HD 142245 Ab

Detailed information about planet HD 142245 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 142245 Ab
Planet Status
Confirmed
Discovered in
2011
Update
2024-07-29
Mass
1.9 ( +0.2 -0.2 ) MJ
Mass*sin(i)
1.9 ( +0.2 -0.2 ) MJ
Semi-Major Axis
2.77 ( ± 0.09 ) AU
Orbital Period
1299.0 ( ± 48.0 ) day
Eccentricity
0.32
ω
234.0 ( ± 60.0 ) deg
Tperi
2454760.0 ( ± 240.0 ) JD
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 142245 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
HD 142245 A
Distance
109.5 ( ± 7.4 ) pc
Spectral type
K0III
Apparent magnitude V
7.63
Mass
1.69 ( ± 0.12 ) MSun
Age
2.3 ( ± 0.3 ) Gyr
Effective temperature
4878.0 ( ± 44.0 ) K
Radius
5.2 ( ± 0.1 ) RSun
Metallicity [Fe/H]
0.23 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
15:52:56.0
Dec2000
+15:25:51.0
Alternate Names
HD 142245

HD 142245 forms a triple system with a pair of M dwarfs 273 AUs away. The two faint companions are separated by 4 AUs.

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