Confirmed Exoplanet Discovered 2014

Kepler-130 c

A sub-neptune 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 2.90 Earth radii
  • A mass of 8.75 Earth masses
  • Surface gravity around 1.04 g
  • An orbital period of 27.509 days
  • Semi-major axis 0.1780 AU
  • Equilibrium temperature 683 K (410 °C)
  • Distance from Earth 1,032.82 light-years
  • Earth Similarity Index 0.350
  • Travel time at Voyager 1 speed 18,213,698 years

2 siblings around Kepler-130

Kepler-130 c 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 this 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 c Planet Profile

Physical Specs

Radius
2.90 R⊕
Radius (Jupiter)
0.259 R♃
Mass
8.75 M⊕
Mass (Jupiter)
0.028 M♃
Density
1.97 g/cm³
Surface Gravity
1.04 g (Earth)

Classification

Planet Type

Sub-Neptune

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

#621of 1978

top 31.3%

This planet

2.90R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth Kepler-130 c Jupiter
Radius (R⊕)1.002.9011.21
Mass (M⊕)1.008.75317.83
Density (g/cm³)5.511.971.33
Surface Gravity (g)1.001.042.53
Insolation (S⊕)1.0046.010.037

Star Catalogue Identifiers

TIC

TIC 121603794

Gaia DR2

Gaia DR2 2101305259145506816

Gaia DR3

Gaia DR3 2101305259145506816

System

Kepler-130

Percentile among Sub-Neptune cohort

Radius 2.900 R⊕ · percentile 68 / cohort 1978
Mass 8.750 M⊕ · percentile 62 / cohort 1978
Orbital period 27.51 d · percentile 71 / cohort 1946
Distance 316.66 pc · percentile 36 / cohort 1975
ESI 0.350 · percentile 41 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
27.509 days
Semi-major axis
0.1780 AU
Eccentricity
0.000
Inclination
89.34 °

Year Length

A year here lasts approximately 27.51 Earth days (7.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1780 AU.

Transit Fingerprint

Depth

0.064 %

Duration

6.100 h

Impact parameter b

0.380

Rp / R★

0.023000

Transit midpoint (BJD)

2,455,015.1039

Photometric dip

Transit produces a flux drop of 640 ppm lasting ≈ 6.10 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023000

Semi-major axis / stellar radius

32.600

Impact parameter (b)

0.380

Transit mid-time (BJD)

2,455,015.1039

Long. of periastron (ω)

0.00°

Angular separation (arcsec)

0.56200

Eq. Temperature

683K

(410 °C)

Insolation (S⊕)

46.01

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.

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

5,879 K — hotter than the Sun (5,778 K)

Estimated Age

5.89 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.170 R☉

Stellar Mass

1.000 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.290 dex

Stellar density

0.870 g/cm³

Systemic radial velocity

21.92 km/s

Metallicity ratio

[Fe/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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