Planet GJ 3222 Ab

Detailed information about planet GJ 3222 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
GJ 3222 Ab
Mass
—
Mass*sin(i)
0.038 ( +0.011 -0.006 ) MJ
Semi-Major Axis
0.091 ( ± 0.004 ) AU
Orbital Period
10.7 ( +0.003 -0.002 ) day
Eccentricity
0.913 ( +0.042 -0.08 )
ω
290.895 ( +24.72 -27.775 ) deg
Tperi
—
Radius
—
Inclination
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
9.601 ( +8.305 -3.033 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Surface gravity log(g/gH)
—
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
GJ 3222 A
Distance
17.692 ( ± 0.00785 ) pc
Spectral type
K0V
Apparent magnitude V
6.9
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.86 ( ± 0.04 ) MSun
Age
3.7 ( +1.7 -3.3 ) Gyr
Effective temperature
5257.46 K
Radius
—
Metallicity [Fe/H]
0.16 ( ± 0.06 )
Detected Disc
—
Magnetic Field
—
RA2000
03:23:35.3
Dec2000
-40:04:35.0
Alternate Names
HD 21175, HD 21175 A, HIP 15799

Philipot et al. (2023): GJ 3222 forms a binary system with an M dwarf companion star in eccentric orbit (a = 43 AUs, e = 0.23 ± 0.13, i = 27°).

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