Exoplanet

Kepler-77 b

Orbiting Kepler-77

Overview

Kepler-77 b is an exoplanet orbiting the star Kepler-77, discovered in 2013 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

10.76

Earth radii

015 R⊕

Mass

136.66

Earth masses

0500 M⊕

Orbital Period

3.6

days

0.1d10,000d

Distance

639.4

parsecs

Nearby10,000 pc

Equilibrium Temp

1440

K

150 K3,500 K

Radius (Earth radii)

10.76

Mass (Earth masses)

136.66

Measured

Equilibrium Temperature

1440 K

Parameter source: Gandolfi et al. 2013

Orbital Period

3.579+0.000−0.000days

Semi-Major Axis

0.0450+0.0006−0.0006au

Planet Mass (Earth masses)

136.66+10.17−10.17

Planet Mass (Jupiter masses)

0.4300+0.0320−0.0320

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

59.20+4.30−4.30m/s

Distance from Earth

639.4 pc (~2085 ly)

Spectral Type

G5 V

Temperature

5520 K

Mass (Solar)

0.95 M☉

Radius (Solar)

0.99 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

289.6079°, 44.3454°

Discovery Method

Transit

Discovery Year

2013

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-77 b

System Context

Kepler-77 b orbits Kepler-77 and was reported in 2013 and was detected with the Transit method.

Published measurements list a radius of 10.76 Earth radii, a mass of 136.66 Earth masses, an orbital period of 3.58 days, and an equilibrium temperature near 1,440 K.

Catalog data places the system at about 639.4 parsecs from Earth, a host star classified as G5 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-77