HN Peg b
Orbiting HN Peg
HN Peg b is an exoplanet orbiting the star HN Peg, discovered in 2006 using the Imaging method. It is a Jupiter-sized world.
Radius
11.78
Earth radii
Mass
6991.57
Earth masses
Distance
18.1
parsecs
Radius (Earth radii)
11.78
Mass (Earth masses)
6991.57
Measured
Equilibrium Temperature
Unknown
Parameter source: Luhman et al. 2007
Semi-Major Axis
773.0000+13.0000−13.0000au
Planet Mass (Earth masses)
6991.57+2996.39−2996.39
Planet Mass (Jupiter masses)
21.9987+9.4280−9.4280
Distance from Earth
18.1 pc (~59 ly)
Spectral Type
G0 V
Temperature
Unknown
Mass (Solar)
Unknown
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
326.1316°, 14.7715°
Discovery Method
Imaging
Discovery Year
2006
Source ID: HN Peg b
HN Peg b orbits HN Peg and was reported in 2006 and was detected with the Imaging method.
Published measurements list a radius of 11.78 Earth radii and a mass of 6,991.57 Earth masses.
Catalog data places the system at about 18.1 parsecs from Earth, a host star classified as G0 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 HN Peg