Confirmed Exoplanet Discovered 2014

Kepler-130 b

A rocky terrestrial 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 1.02 Earth radii
  • A mass of 1.04 Earth masses
  • Surface gravity around 1.00 g
  • An orbital period of 8.457 days
  • Semi-major axis 0.0790 AU
  • Equilibrium temperature 982 K (709 °C)
  • Distance from Earth 1,032.82 light-years
  • Earth Similarity Index 0.330
  • Travel time at Voyager 1 speed 18,213,698 years

2 siblings around Kepler-130

Kepler-130 b 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 this 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 Super-Earth 1.64 3.33 87.518 451 2014

Kepler-130 b Planet Profile

Physical Specs

Radius
1.02 R⊕
Radius (Jupiter)
0.091 R♃
Mass
1.04 M⊕
Mass (Jupiter)
0.003 M♃
Density
5.39 g/cm³
Surface Gravity
1.00 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.330
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

#311of 570

top 54.4%

This planet

1.02R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-130 b Jupiter
Radius (R⊕)1.001.0211.21
Mass (M⊕)1.001.04317.83
Density (g/cm³)5.515.391.33
Surface Gravity (g)1.001.002.53
Insolation (S⊕)1.00221.730.037

Star Catalogue Identifiers

TIC

TIC 121603794

Gaia DR2

Gaia DR2 2101305259145506816

Gaia DR3

Gaia DR3 2101305259145506816

System

Kepler-130

Percentile among Rocky Terrestrial cohort

Radius 1.020 R⊕ · percentile 44 / cohort 570
Mass 1.040 M⊕ · percentile 39 / cohort 570
Orbital period 8.46 d · percentile 75 / cohort 567
Distance 316.66 pc · percentile 42 / cohort 566
ESI 0.330 · percentile 46 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
8.457 days
Semi-major axis
0.0790 AU
Eccentricity
0.150
Inclination
88.36 °

Year Length

A year here lasts approximately 8.46 Earth days (2.3% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0790 AU.

Transit Fingerprint

Depth

0.008 %

Duration

3.248 h

Impact parameter b

0.120

Rp / R★

0.008490

Transit midpoint (BJD)

2,454,972.0667

Photometric dip

Transit produces a flux drop of 83 ppm lasting ≈ 3.25 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008490

Semi-major axis / stellar radius

16.300

Impact parameter (b)

0.120

Transit mid-time (BJD)

2,454,972.0667

Angular separation (arcsec)

0.24900

Eq. Temperature

982K

(709 °C)

Insolation (S⊕)

221.73

Earth = 1.00

Earth Similarity (ESI)

0.330

0 = alien, 1 = Earth-identical

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

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

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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