Confirmed Exoplanet Discovered 2014

Kepler-134 c

A super-earth orbiting the g-type yellow (sun-like) Kepler-134, located approximately 1,092.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.26 Earth radii
  • A mass of 2.13 Earth masses
  • Surface gravity around 1.34 g
  • An orbital period of 10.106 days
  • Semi-major axis 0.0920 AU
  • Equilibrium temperature 892 K (619 °C)
  • Distance from Earth 1,091.96 light-years
  • Earth Similarity Index 0.350
  • Travel time at Voyager 1 speed 19,256,722 years

1 sibling around Kepler-134

Kepler-134 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-134 b Sub-Neptune 2.00 4.66 5.317 1,105 2014
Kepler-134 c this Super-Earth 1.26 2.13 10.106 892 2014

Kepler-134 c Planet Profile

Physical Specs

Radius
1.26 R⊕
Radius (Jupiter)
0.112 R♃
Mass
2.13 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.85 g/cm³
Surface Gravity
1.34 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.350
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

#1149of 1176

top 97.6%

This planet

1.26R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-134 c Jupiter
Radius (R⊕)1.001.2611.21
Mass (M⊕)1.002.13317.83
Density (g/cm³)5.515.851.33
Surface Gravity (g)1.001.342.53
Insolation (S⊕)1.00128.090.037

Star Catalogue Identifiers

TIC

TIC 48448369

Gaia DR2

Gaia DR2 2132215421518219392

Gaia DR3

Gaia DR3 2132215421518219392

System

Kepler-134

Percentile among Super-Earth cohort

Radius 1.260 R⊕ · percentile 2 / cohort 1176
Mass 2.130 M⊕ · percentile 3 / cohort 1176
Orbital period 10.11 d · percentile 65 / cohort 1164
Distance 334.80 pc · percentile 35 / cohort 1171
ESI 0.350 · percentile 50 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
10.106 days
Semi-major axis
0.0920 AU
Eccentricity
0.000
Inclination
87.87 °

Year Length

A year here lasts approximately 10.11 Earth days (2.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0920 AU.

Transit Fingerprint

Depth

0.011 %

Duration

2.059 h

Impact parameter b

0.140

Rp / R★

0.009753

Transit midpoint (BJD)

2,454,968.5072

Photometric dip

Transit produces a flux drop of 112 ppm lasting ≈ 2.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009753

Semi-major axis / stellar radius

10.130

Impact parameter (b)

0.140

Transit mid-time (BJD)

2,454,968.5072

Angular separation (arcsec)

0.27500

Eq. Temperature

892K

(619 °C)

Insolation (S⊕)

128.09

Earth = 1.00

Earth Similarity (ESI)

0.350

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-134

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,983 K — hotter than the Sun (5,778 K)

Estimated Age

3.55 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.176 R☉

Stellar Mass

0.956 M☉

Metallicity [Fe/H]

-0.21

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

1.050 g/cm³

Systemic radial velocity

-27.16 km/s

Metallicity ratio

[M/H]

Distance
334.80 parsec
Light-years 1,091.96 ly
V-band magnitude
12.32 mag
Voyager-speed travel 19,256,722 yr

Multi-band Host Photometry — 15 bands

9.413.313.30B12.32V12.22Gaia12.32Kepler11.82TESS12.72Sloan g12.26Sloan r12.16Sloan i11.26J10.98H10.95K10.89W110.93W210.81W39.41W4

Astrometric Data

Parallax

2.958 mas

Total Proper Motion

19.189 mas/yr

PM Right Ascension

12.89 mas/yr

PM Declination

14.22 mas/yr

Galactic Cartesian (pc)

x = 0.165 · y = -0.627 · z = 0.762

Equatorial (J2000)

RA 284.73912° · Dec 49.59844°

Galactic ℓ, b

79.633° · 19.167°

Ecliptic λ, β

301.206° · 71.444°

HTM-20 index

-290941955

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