Exoplanet

Kepler-447 b

Orbiting Kepler-447

Overview

Kepler-447 b is an exoplanet orbiting the star Kepler-447, discovered in 2015 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

18.49

Earth radii

015 R⊕

Mass

435.41

Earth masses

0500 M⊕

Orbital Period

7.8

days

0.1d10,000d

Distance

268.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

18.49

Mass (Earth masses)

435.41

Measured

Equilibrium Temperature

Unknown

Parameter source: Lillo-Box et al. 2015

Orbital Period

7.794+0.0000.000days

Semi-Major Axis

0.0769+0.00620.0079au

Planet Mass (Earth masses)

435.41+152.55146.20

Planet Mass (Jupiter masses)

1.3700+0.48000.4600

Eccentricity

0.1230+0.03700.0360

Argument of Periastron

98.3+1.111.0deg

Radial Velocity Semi-Amplitude

141.00+42.0042.00m/s

Distance from Earth

268.0 pc (~874 ly)

Spectral Type

G8 V

Temperature

5493 K

Mass (Solar)

1.00 M☉

Radius (Solar)

1.05 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

285.2685°, 48.5599°

Discovery Method

Transit

Discovery Year

2015

Data Sources

Source ID: Kepler-447 b

System Context

Kepler-447 b orbits Kepler-447 and was reported in 2015 and was detected with the Transit method.

Published measurements list a radius of 18.49 Earth radii, a mass of 435.41 Earth masses, and an orbital period of 7.79 days.

Catalog data places the system at about 268 parsecs from Earth, a host star classified as G8 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 Kepler-447