GJ 15 A b
Orbiting GJ 15 A
GJ 15 A b is an exoplanet orbiting the star GJ 15 A, discovered in 2014 using the Radial Velocity method.
Minimum Mass (M sin i)
3.03
Earth masses
Orbital Period
11.4
days
Distance
3.6
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
3.03
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Pinamonti et al. 2018
Orbital Period
11.441+0.002−0.002days
Semi-Major Axis
0.0720+0.0030−0.0040au
M sin(i) (Earth masses)
3.03+0.46−0.44
M sin(i) (Jupiter masses)
0.0095+0.0014−0.0014
Eccentricity
0.0940+0.0910−0.0650
Argument of Periastron
55.0+49.0−74.0deg
Radial Velocity Semi-Amplitude
1.68+0.17−0.18m/s
Distance from Earth
3.6 pc (~12 ly)
Spectral Type
M1
Temperature
3607 K
Mass (Solar)
0.38 M☉
Radius (Solar)
0.38 R☉
Luminosity
-1.66 log L☉
Planets in System
2
Stars in System
2
Coordinates (RA, Dec)
4.6127°, 44.0247°
Discovery Method
Radial Velocity
Discovery Year
2014
Source ID: GJ 15 A b
GJ 15 A b orbits GJ 15 A and was reported in 2014 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 3.03 Earth masses (M sin i) and an orbital period of 11.44 days.
Catalog data places the system at about 3.6 parsecs from Earth, a host star classified as M1, 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 15 AMore planets in this system