Exoplanet
Kepler-18 d
Orbiting Kepler-18
Overview
Kepler-18 d is an exoplanet orbiting the star Kepler-18, discovered in 2011 using the Transit method. It is a Neptune-sized world.
Key Measurements
Radius
6.98
Earth radii
015 R⊕
Mass
16.40
Earth masses
0500 M⊕
Orbital Period
14.9
days
0.1d10,000d
Distance
433.0
parsecs
Nearby10,000 pc
Radius (Earth radii)
6.98
Mass (Earth masses)
16.40
Measured
Equilibrium Temperature
Unknown
Orbital Period
14.86 days
Distance from Earth
433.0 pc (~1412 ly)
Spectral Type
Unknown
Temperature
5345 K
Mass (Solar)
0.97 M☉
Radius (Solar)
1.11 R☉
Luminosity
-0.03 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
298.0794°, 44.7462°
Discovery Method
Transit
Discovery Year
2011
Data Sources
Source ID: Kepler-18 d