51 Eri b
Orbiting 51 Eri
51 Eri b is an exoplanet orbiting the star 51 Eri, discovered in 2015 using the Imaging method.
Mass
3464.33
Earth masses
Orbital Period
9100.0
days
Distance
29.8
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
3464.33
Measured
Equilibrium Temperature
Unknown
Parameter source: Dupuy et al. 2022
Orbital Period
9100.000+1100.000−1500.000days
Semi-Major Axis
10.4000+0.8000−1.1000au
Planet Mass (Earth masses)
3464.33
Planet Mass (Jupiter masses)
10.9000
Eccentricity
0.5700+0.0800−0.0600
Epoch of Periastron
2461699.00+913.00−804.00days(JD)
Argument of Periastron
82.0+23.0−23.0deg
Distance from Earth
29.8 pc (~97 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.75 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
3
Coordinates (RA, Dec)
69.4007°, -2.4738°
Discovery Method
Imaging
Discovery Year
2015
Source ID: 51 Eri b
51 Eri b orbits 51 Eri and was reported in 2015 and was detected with the Imaging method.
Published measurements list a mass of 3,464.33 Earth masses and an orbital period of 9,100 days.
Catalog data places the system at about 29.8 parsecs from Earth 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 51 Eri