Exoplanet
KELT-9 b
Orbiting KELT-9
Overview
KELT-9 b is an exoplanet orbiting the star KELT-9, discovered in 2017 using the Transit method. It is a Jupiter-sized world.
Key Measurements
Radius
21.20
Earth radii
015 R⊕
Mass
915.35
Earth masses
0500 M⊕
Orbital Period
1.5
days
0.1d10,000d
Distance
204.5
parsecs
Nearby10,000 pc
Equilibrium Temp
4050
K
150 K3,500 K
Radius (Earth radii)
21.20
Mass (Earth masses)
915.35
Measured
Equilibrium Temperature
4050 K
Orbital Period
1.48 days
Distance from Earth
204.5 pc (~667 ly)
Spectral Type
B9.5-A0
Temperature
10170 K
Mass (Solar)
2.52 M☉
Radius (Solar)
2.36 R☉
Luminosity
1.72 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
307.8599°, 39.9389°
Discovery Method
Transit
Discovery Year
2017
Data Sources
Source ID: KELT-9 b