Planet GJ 864 Ab

Detailed information about planet GJ 864 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 864 Ab
Planet Status
Candidate
Discovered in
2022
Update
2024-06-15
Mass
59.962 ( +8.858 -6.078 ) MJ
Mass*sin(i)
—
Semi-Major Axis
4.931 ( +0.296 -0.332 ) AU
Orbital Period
5199.6 ( +391.0 -417.2 ) day
Eccentricity
0.524 ( +0.041 -0.044 )
ω
266.796 ( +1.879 -3.503 ) deg
Tperi
—
Radius
—
Inclination
15.788 ( +0.257 -1.064 ) deg
Detection Method
Radial Velocity, Astrometry
Mass Meas. Method
Astrometry
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
318.624 ( +0.234 -0.258 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 214100 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
GJ 864 A
Distance
16.5474 ( ± 0.0115 ) pc
Spectral type
M1V
Apparent magnitude V
9.93
Mass
0.576 ( ± 0.02 ) MSun
Age
—
Effective temperature
—
Radius
0.585 ( ± 0.018 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
22:36:00.0
Dec2000
-00:50:29.8
Alternate Names
HD 214100, HIP 111571, JOD 25 A

Jodar et al. (2013): GJ 864 forms a binary system with a low-mass M dwarf star (spT M8V, m = 0.12 MSol) 11.5 ± 0.4 AUs away.

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