Exoplanet

Kepler-849 b

Orbiting Kepler-849

Overview

Kepler-849 b is an exoplanet orbiting the star Kepler-849, discovered in 2016 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

8.08

Earth radii

015 R⊕

Mass

298.76

Earth masses

0500 M⊕

Orbital Period

394.6

days

0.1d10,000d

Distance

822.1

parsecs

Nearby10,000 pc

Equilibrium Temp

363

K

150 K3,500 K

Radius (Earth radii)

8.08

Mass (Earth masses)

298.76

Measured

Equilibrium Temperature

363 K

Parameter source: Dalba et al. 2024

Orbital Period

394.625+0.001−0.001days

Semi-Major Axis

1.1370+0.0340−0.0300au

Planet Mass (Earth masses)

298.76+63.57−63.57

Planet Mass (Jupiter masses)

0.9400+0.2000−0.2000

Eccentricity

0.0780+0.0690−0.0530

Epoch of Periastron

2454835.00+67.00−77.00days(BJD-TDB)

Argument of Periastron

-74.0+53.0−61.0deg

Radial Velocity Semi-Amplitude

22.40+4.60−4.70m/s

Distance from Earth

822.1 pc (~2681 ly)

Spectral Type

Unknown

Temperature

5950 K

Mass (Solar)

1.26 M☉

Radius (Solar)

1.82 R☉

Luminosity

0.57 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

290.8518°, 48.5213°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-849 b

System Context

Kepler-849 b orbits Kepler-849 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 8.08 Earth radii, a mass of 298.76 Earth masses, an orbital period of 394.63 days, and an equilibrium temperature near 363 K.

Catalog data places the system at about 822.1 parsecs from Earth 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-849