Confirmed Exoplanet Discovered 2014

Kepler-119 c

A rocky terrestrial orbiting the g-type yellow (sun-like) Kepler-119, located approximately 2,289.6 light-years from Earth.

Key parameters at a glance

  • A radius of 0.92 Earth radii
  • A mass of 0.72 Earth masses
  • Surface gravity around 0.85 g
  • An orbital period of 4.125 days
  • Semi-major axis 0.0490 AU
  • Equilibrium temperature 1,016 K (743 °C)
  • Distance from Earth 2,289.60 light-years
  • Earth Similarity Index 0.311
  • Travel time at Voyager 1 speed 40,377,130 years

1 sibling around Kepler-119

Kepler-119 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-119 b Sub-Neptune 3.60 12.60 2.422 1,213 2014
Kepler-119 c this Rocky Terrestrial 0.92 0.72 4.125 1,016 2014

Kepler-119 c Planet Profile

Physical Specs

Radius
0.92 R⊕
Radius (Jupiter)
0.082 R♃
Mass
0.72 M⊕
Mass (Jupiter)
0.002 M♃
Density
5.09 g/cm³
Surface Gravity
0.85 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.311
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#396of 570

top 69.3%

This planet

0.92R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-119 c Jupiter
Radius (R⊕)1.000.9211.21
Mass (M⊕)1.000.72317.83
Density (g/cm³)5.515.091.33
Surface Gravity (g)1.000.852.53
Insolation (S⊕)1.00367.320.037

Star Catalogue Identifiers

TIC

TIC 271964647

Gaia DR2

Gaia DR2 2077236713401973888

Gaia DR3

Gaia DR3 2077236713401973888

System

Kepler-119

Percentile among Rocky Terrestrial cohort

Radius 0.920 R⊕ · percentile 29 / cohort 570
Mass 0.721 M⊕ · percentile 26 / cohort 570
Orbital period 4.13 d · percentile 45 / cohort 567
Distance 702.00 pc · percentile 80 / cohort 566
ESI 0.311 · percentile 42 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
4.125 days
Semi-major axis
0.0490 AU
Eccentricity
0.000
Inclination
88.65 °

Year Length

A year here lasts approximately 4.13 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0490 AU.

Transit Fingerprint

Depth

0.011 %

Duration

2.840 h

Impact parameter b

0.510

Rp / R★

0.009760

Transit midpoint (BJD)

2,454,966.6414

Photometric dip

Transit produces a flux drop of 115 ppm lasting ≈ 2.84 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009760

Semi-major axis / stellar radius

8.800

Impact parameter (b)

0.510

Transit mid-time (BJD)

2,454,966.6414

Angular separation (arcsec)

0.06980

Eq. Temperature

1,016K

(743 °C)

Insolation (S⊕)

367.32

Earth = 1.00

Earth Similarity (ESI)

0.311

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-119

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,595 K — cooler than the Sun (5,778 K)

Estimated Age

3.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.839 R☉

Stellar Mass

0.918 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.567 dex

Stellar density

1.355 g/cm³

Metallicity ratio

[Fe/H]

Distance
702.00 parsec
Light-years 2,289.60 ly
V-band magnitude
14.38 mag
Voyager-speed travel 40,377,130 yr

Multi-band Host Photometry — 16 bands

9.515.014.97B14.38V14.20Gaia14.24Kepler13.70TESS14.76Sloan g14.16Sloan r14.01Sloan i13.92Sloan z13.00J12.64H12.58K12.52W112.57W213.14W39.48W4

Astrometric Data

Parallax

1.396 mas

Total Proper Motion

18.622 mas/yr

PM Right Ascension

-7.15 mas/yr

PM Declination

-17.19 mas/yr

Galactic Cartesian (pc)

x = 0.322 · y = -0.661 · z = 0.678

Equatorial (J2000)

RA 295.94639° · Dec 42.65883°

Galactic ℓ, b

76.401° · 9.253°

Ecliptic λ, β

313.657° · 62.221°

HTM-20 index

-1581488022

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