GJ 328 b
Orbiting GJ 328
GJ 328 b is an exoplanet orbiting the star GJ 328, discovered in 2013 using the Radial Velocity method.
Minimum Mass (M sin i)
797.75
Earth masses
Orbital Period
3771.0
days
Distance
20.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
797.75
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Pinamonti et al. 2023
Orbital Period
3771.000+17.000−17.000days
Semi-Major Axis
4.1100+0.1600−0.1800au
M sin(i) (Earth masses)
797.75+73.10−73.10
M sin(i) (Jupiter masses)
2.5100+0.2300−0.2300
Eccentricity
0.2270+0.0150−0.0150
Argument of Periastron
-76.2+6.3−6.3deg
Radial Velocity Semi-Amplitude
42.60+1.80−1.70m/s
Distance from Earth
20.5 pc (~67 ly)
Spectral Type
M0.0
Temperature
3897 K
Mass (Solar)
0.65 M☉
Radius (Solar)
0.63 R☉
Luminosity
-1.08 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
133.7820°, 1.5420°
Discovery Method
Radial Velocity
Discovery Year
2013
Source ID: GJ 328 b
GJ 328 b orbits GJ 328 and was reported in 2013 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 797.75 Earth masses (M sin i) and an orbital period of 3,771 days.
Catalog data places the system at about 20.5 parsecs from Earth, a host star classified as M0.0, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open GJ 328More planets in this system