Planet GJ 3021 b

Name GJ 3021 b
Discovered in 2000
Mass 3.37 (± 0.09) MJ
Semi-major axis 0.49 AU
Orbital period 133.71 (± 0.2) day
Eccentricity 0.511 (± 0.017)
ω 290.7 (± 3.0) deg
Tperi 2451545.86 (± 0.64) JD
Radius
Inclination
Update Aug. 29, 2014
Detection Method Radial Velocity
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Graphical Ephemeris

Remarks

01 Nov. 07: A M4V dwarf companion at 3.8'' = 68 AU (Chauvin et al, 2007)
22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 16 MJ andinclination of 11.8 deg

Other web-pages

Star

Name GJ 3021
Distance 17.62 (± 0.17) pc
Spectral type G6 V
Apparent magnitude V 6.59
Mass 0.9 MSun
Age 8.77 Gyr
Effective temperature 5540.0 (± 75.0) K
Radius 0.9 RSun
Metallicity [Fe/H] 0.1 (± 0.08)
Disc
Magnetic Field]
RA2000 00:16:12.0
Dec2000 -79:51:04
Alternate Names
Planetary system 1 planet

More data


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