GJ 1132 b
Orbiting GJ 1132
GJ 1132 b is an exoplanet orbiting the star GJ 1132, discovered in 2015 using the Transit method. It is a Earth-sized world.
Radius
1.19
Earth radii
Mass
1.84
Earth masses
Orbital Period
1.6
days
Distance
12.6
parsecs
Equilibrium Temp
584
K
Radius (Earth radii)
1.19
Mass (Earth masses)
1.84
Measured
Equilibrium Temperature
584 K
Parameter source: Xue et al. 2024
Orbital Period
1.629+0.000−0.000days
Semi-Major Axis
0.0157+0.0001−0.0001au
Planet Mass (Earth masses)
1.84+0.19−0.19
Planet Mass (Jupiter masses)
0.0058+0.0006−0.0006
Eccentricity
0.0118+0.0470−0.0099
Epoch of Periastron
2459280.15+0.03−0.60days(BJD-TDB)
Argument of Periastron
-95.8+5.5−130.0deg
Radial Velocity Semi-Amplitude
2.98+0.30−0.30m/s
Distance from Earth
12.6 pc (~41 ly)
Spectral Type
Unknown
Temperature
3229 K
Mass (Solar)
0.19 M☉
Radius (Solar)
0.22 R☉
Luminosity
-2.32 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
153.7091°, -47.1549°
Discovery Method
Transit
Discovery Year
2015
Source ID: GJ 1132 b
GJ 1132 b orbits GJ 1132 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 1.19 Earth radii, a mass of 1.84 Earth masses, an orbital period of 1.63 days, and an equilibrium temperature near 584 K.
Catalog data places the system at about 12.6 parsecs from Earth 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 1132More planets in this system