GJ 1148 b
Orbiting GJ 1148
GJ 1148 b is an exoplanet orbiting the star GJ 1148, discovered in 2010 using the Radial Velocity method.
Minimum Mass (M sin i)
96.70
Earth masses
Orbital Period
41.4
days
Distance
11.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
96.70
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Trifonov et al. 2018
Orbital Period
41.380+0.002−0.001days
Semi-Major Axis
0.1660+0.0010−0.0010au
M sin(i) (Earth masses)
96.70+1.41−1.02
M sin(i) (Jupiter masses)
0.3043+0.0044−0.0032
Eccentricity
0.3800+0.0100−0.0120
Argument of Periastron
258.1+2.0−1.8deg
Radial Velocity Semi-Amplitude
38.37+0.59−0.49m/s
Distance from Earth
11.0 pc (~36 ly)
Spectral Type
Unknown
Temperature
3287 K
Mass (Solar)
0.34 M☉
Radius (Solar)
0.36 R☉
Luminosity
-1.87 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
175.4326°, 42.7516°
Discovery Method
Radial Velocity
Discovery Year
2010
Source ID: GJ 1148 b
GJ 1148 b orbits GJ 1148 and was reported in 2010 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 96.7 Earth masses (M sin i) and an orbital period of 41.38 days.
Catalog data places the system at about 11 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 1148More planets in this system