Confirmed Exoplanet Discovered 2014

Kepler-130 d

A super-earth orbiting the g-type yellow (sun-like) Kepler-130, located approximately 1,032.8 light-years from Earth.

Key parameters at a glance

  • A radius of 1.64 Earth radii
  • A mass of 3.33 Earth masses
  • Surface gravity around 1.24 g
  • An orbital period of 87.518 days
  • Semi-major axis 0.3770 AU
  • Equilibrium temperature 451 K (178 °C)
  • Distance from Earth 1,032.82 light-years
  • Earth Similarity Index 0.630
  • Travel time at Voyager 1 speed 18,213,698 years

2 siblings around Kepler-130

Kepler-130 d shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-130 b Rocky Terrestrial 1.02 1.04 8.457 982 2014
Kepler-130 c Sub-Neptune 2.90 8.75 27.509 683 2014
Kepler-130 d this Super-Earth 1.64 3.33 87.518 451 2014

Kepler-130 d Planet Profile

Physical Specs

Radius
1.64 R⊕
Radius (Jupiter)
0.146 R♃
Mass
3.33 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.15 g/cm³
Surface Gravity
1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.630
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

#495of 1176

top 42.0%

This planet

1.64R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-130 d Jupiter
Radius (R⊕)1.001.6411.21
Mass (M⊕)1.003.33317.83
Density (g/cm³)5.514.151.33
Surface Gravity (g)1.001.242.53
Insolation (S⊕)1.009.830.037

Star Catalogue Identifiers

TIC

TIC 121603794

Gaia DR2

Gaia DR2 2101305259145506816

Gaia DR3

Gaia DR3 2101305259145506816

System

Kepler-130

Percentile among Super-Earth cohort

Radius 1.640 R⊕ · percentile 56 / cohort 1176
Mass 3.330 M⊕ · percentile 51 / cohort 1176
Orbital period 87.52 d · percentile 98 / cohort 1164
Distance 316.66 pc · percentile 33 / cohort 1171
ESI 0.630 · percentile 82 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
87.518 days
Semi-major axis
0.3770 AU
Eccentricity
0.800
Inclination
89.16 °

Year Length

A year here lasts approximately 87.52 Earth days (24.0% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.3770 AU.

Transit Fingerprint

Depth

0.015 %

Duration

1.824 h

Impact parameter b

0.840

Rp / R★

0.009010

Transit midpoint (BJD)

2,455,034.1581

Photometric dip

Transit produces a flux drop of 145 ppm lasting ≈ 1.82 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009010

Semi-major axis / stellar radius

77.200

Impact parameter (b)

0.840

Transit mid-time (BJD)

2,455,034.1581

Angular separation (arcsec)

1.19000

Eq. Temperature

451K

(178 °C)

Insolation (S⊕)

9.83

Earth = 1.00

Earth Similarity (ESI)

0.630

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-130

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,884 K — hotter than the Sun (5,778 K)

Estimated Age

5.89 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.127 R☉

Stellar Mass

0.927 M☉

Metallicity [Fe/H]

-0.20

Extended Stellar Properties

Surface gravity (log g)

4.304 dex

Stellar density

0.630 g/cm³

Systemic radial velocity

21.92 km/s

Metallicity ratio

[M/H]

Distance
316.66 parsec
Light-years 1,032.82 ly
V-band magnitude
11.57 mag
Voyager-speed travel 18,213,698 yr

Multi-band Host Photometry — 14 bands

9.412.212.16B11.57V11.83Gaia11.53Kepler11.41TESS12.13Sloan g11.58Sloan r10.81J10.53H10.49K10.38W110.41W210.38W39.37W4

Astrometric Data

Parallax

3.129 mas

Total Proper Motion

31.242 mas/yr

PM Right Ascension

-13.07 mas/yr

PM Declination

-28.38 mas/yr

Galactic Cartesian (pc)

x = 0.242 · y = -0.724 · z = 0.646

Equatorial (J2000)

RA 288.45059° · Dec 40.24520°

Galactic ℓ, b

71.646° · 13.203°

Ecliptic λ, β

300.667° · 61.734°

HTM-20 index

-1475387712

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