Exoplanet
HAT-P-9 b
Orbiting HAT-P-9
Overview
HAT-P-9 b is an exoplanet orbiting the star HAT-P-9, discovered in 2008 using the Transit method. It is a Jupiter-sized world.
Key Measurements
Radius
15.61
Earth radii
015 R⊕
Mass
238.05
Earth masses
0500 M⊕
Orbital Period
3.9
days
0.1d10,000d
Distance
455.2
parsecs
Nearby10,000 pc
Equilibrium Temp
1540
K
150 K3,500 K
Radius (Earth radii)
15.61
Mass (Earth masses)
238.05
Measured
Equilibrium Temperature
1540 K
Orbital Period
3.92 days
Distance from Earth
455.2 pc (~1485 ly)
Spectral Type
Unknown
Temperature
6350 K
Mass (Solar)
1.28 M☉
Radius (Solar)
1.34 R☉
Luminosity
0.42 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
110.1685°, 37.1406°
Discovery Method
Transit
Discovery Year
2008
Data Sources
Source ID: HAT-P-9 b