HR 8799 e
Orbiting HR 8799
HR 8799 e is an exoplanet orbiting the star HR 8799, discovered in 2010 using the Imaging method. It is a Jupiter-sized world.
Radius
13.11
Earth radii
Mass
3178.30
Earth masses
Distance
41.2
parsecs
Equilibrium Temp
1150
K
Radius (Earth radii)
13.11
Mass (Earth masses)
3178.30
Measured
Equilibrium Temperature
1150 K
Parameter source: Gravity Collaboration et al. 2019
Semi-Major Axis
16.4000+2.1000−1.1000au
Planet Mass (Earth masses)
3178.30+2224.81−1271.32
Planet Mass (Jupiter masses)
10.0000+7.0000−4.0000
Eccentricity
0.1500+0.0800−0.0800
Distance from Earth
41.2 pc (~135 ly)
Spectral Type
A5
Temperature
7400 K
Mass (Solar)
Unknown
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
346.8701°, 21.1340°
Discovery Method
Imaging
Discovery Year
2010
Source ID: HR 8799 e
HR 8799 e orbits HR 8799 and was reported in 2010 and was detected with the Imaging method.
Published measurements list a radius of 13.11 Earth radii, a mass of 3,178.3 Earth masses, and an equilibrium temperature near 1,150 K.
Catalog data places the system at about 41.2 parsecs from Earth, a host star classified as A5, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HR 8799