HAT-P-8 b
Orbiting HAT-P-8
HAT-P-8 b is an exoplanet orbiting the star HAT-P-8, discovered in 2008 using the Transit method. It is a Jupiter-sized world.
Radius
15.69
Earth radii
Mass
406.82
Earth masses
Orbital Period
3.1
days
Distance
211.6
parsecs
Radius (Earth radii)
15.69
Mass (Earth masses)
406.82
Measured
Equilibrium Temperature
Unknown
Parameter source: Stassun et al. 2017
Orbital Period
3.076+0.000−0.000days
Planet Mass (Earth masses)
406.82+85.81−85.81
Planet Mass (Jupiter masses)
1.2800+0.2700−0.2700
Eccentricity
0.0000
Radial Velocity Semi-Amplitude
153.10+3.90−3.90m/s
Distance from Earth
211.6 pc (~690 ly)
Spectral Type
Unknown
Temperature
6200 K
Mass (Solar)
1.27 M☉
Radius (Solar)
1.57 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
3
Coordinates (RA, Dec)
343.0415°, 35.4472°
Discovery Method
Transit
Discovery Year
2008
Source ID: HAT-P-8 b
HAT-P-8 b orbits HAT-P-8 and was reported in 2008 and was detected with the Transit method.
Published measurements list a radius of 15.69 Earth radii, a mass of 406.82 Earth masses, and an orbital period of 3.08 days.
Catalog data places the system at about 211.6 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 HAT-P-8