GJ 3021 b
Orbiting GJ 3021
GJ 3021 b is an exoplanet orbiting the star GJ 3021, discovered in 2000 using the Radial Velocity method.
Minimum Mass (M sin i)
1071.04
Earth masses
Orbital Period
133.7
days
Distance
17.6
parsecs
Equilibrium Temp
350
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1071.04
Radial-velocity minimum
Equilibrium Temperature
350 K
Parameter source: Naef et al. 2001
Orbital Period
133.710+0.200−0.200days
Semi-Major Axis
0.4900au
M sin(i) (Earth masses)
1071.04+28.60−28.60
M sin(i) (Jupiter masses)
3.3700+0.0900−0.0900
Eccentricity
0.5110+0.0170−0.0170
Epoch of Periastron
2451545.86+0.64−0.64days
Argument of Periastron
290.7+3.0−3.0deg
Radial Velocity Semi-Amplitude
167.00+4.00−4.00m/s
Distance from Earth
17.6 pc (~57 ly)
Spectral Type
G6 V
Temperature
5540 K
Mass (Solar)
0.90 M☉
Radius (Solar)
0.90 R☉
Luminosity
-0.18 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
4.0634°, -79.8514°
Discovery Method
Radial Velocity
Discovery Year
2000
Source ID: GJ 3021 b
GJ 3021 b orbits GJ 3021 and was reported in 2000 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,071.04 Earth masses (M sin i), an orbital period of 133.71 days, and an equilibrium temperature near 350 K.
Catalog data places the system at about 17.6 parsecs from Earth, a host star classified as G6 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open GJ 3021