Planet HD 217786 Ac

Detailed information about planet HD 217786 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 217786 Ac
Planet Status
Confirmed
Discovered in
2022
Update
2024-08-04
Mass
0.023 ( ± 0.002 ) MJ
Mass*sin(i)
0.023 ( ± 0.002 ) MJ
Semi-Major Axis
0.038 ( ± 0.002 ) AU
Orbital Period
2.5 ( +0.0001 -2.5e-05 ) day
Eccentricity
0.399 ( +0.169 -0.218 )
ω
84.352 ( +53.415 -88.962 ) 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
3.662 ( +0.17 -0.074 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
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 217786 A
Distance
54.8 ( ± 2.0 ) pc
Spectral type
F8V
Apparent magnitude V
7.8
Mass
1.02 ( ± 0.03 ) MSun
Age
7.6 Gyr
Effective temperature
5966.0 ( ± 65.0 ) K
Radius
1.27 ( ± 0.06 ) RSun
Metallicity [Fe/H]
-0.135 ( ± 0.043 )
Detected Disc
—
Magnetic Field
—
RA2000
23:03:08.0
Dec2000
+00:25:47.0
Alternate Names
HD 217786

An M dwarf companion star lies 156 AUs away.

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