GJ 3512 b
Orbiting GJ 3512
GJ 3512 b is an exoplanet orbiting the star GJ 3512, discovered in 2019 using the Radial Velocity method.
Minimum Mass (M sin i)
146.52
Earth masses
Orbital Period
203.1
days
Distance
9.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
146.52
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Morales et al. 2025
Orbital Period
203.109+0.035−0.034days
Semi-Major Axis
0.3376+0.0082−0.0084au
M sin(i) (Earth masses)
146.52+7.31−7.31
M sin(i) (Jupiter masses)
0.4610+0.0230−0.0230
Eccentricity
0.4279+0.0036−0.0035
Argument of Periastron
126.8+0.6−0.6deg
Radial Velocity Semi-Amplitude
71.28+0.32−0.31m/s
Distance from Earth
9.5 pc (~31 ly)
Spectral Type
M5.5 V
Temperature
3141 K
Mass (Solar)
0.12 M☉
Radius (Solar)
0.14 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
130.3317°, 59.4918°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: GJ 3512 b
GJ 3512 b orbits GJ 3512 and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 146.52 Earth masses (M sin i) and an orbital period of 203.11 days.
Catalog data places the system at about 9.5 parsecs from Earth, a host star classified as M5.5 V, 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 3512More planets in this system