Confirmed Exoplanet Discovered 2014

Kepler-376 c

A super-earth orbiting the g-type yellow (sun-like) Kepler-376, located approximately 3,010.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.79 Earth radii
  • A mass of 3.86 Earth masses
  • Surface gravity around 1.20 g
  • An orbital period of 14.172 days
  • Semi-major axis 0.1150 AU
  • Equilibrium temperature 873 K (600 °C)
  • Distance from Earth 3,010.64 light-years
  • Earth Similarity Index 0.326
  • Travel time at Voyager 1 speed 53,092,605 years

1 sibling around Kepler-376

Kepler-376 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-376 b Rocky Terrestrial 1.07 1.24 4.920 1,242 2014
Kepler-376 c this Super-Earth 1.79 3.86 14.172 873 2014

Kepler-376 c Planet Profile

Physical Specs

Radius
1.79 R⊕
Radius (Jupiter)
0.160 R♃
Mass
3.86 M⊕
Mass (Jupiter)
0.012 M♃
Density
3.70 g/cm³
Surface Gravity
1.20 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.326
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

#271of 1176

top 23.0%

This planet

1.79R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-376 c Jupiter
Radius (R⊕)1.001.7911.21
Mass (M⊕)1.003.86317.83
Density (g/cm³)5.513.701.33
Surface Gravity (g)1.001.202.53
Insolation (S⊕)1.00168.290.037

Star Catalogue Identifiers

TIC

TIC 137219378

Gaia DR2

Gaia DR2 2052681801251572480

Gaia DR3

Gaia DR3 2052681801254023808

System

Kepler-376

Percentile among Super-Earth cohort

Radius 1.790 R⊕ · percentile 76 / cohort 1176
Mass 3.860 M⊕ · percentile 70 / cohort 1176
Orbital period 14.17 d · percentile 76 / cohort 1164
Distance 923.07 pc · percentile 77 / cohort 1171
ESI 0.326 · percentile 44 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
14.172 days
Semi-major axis
0.1150 AU
Eccentricity
0.000
Inclination
87.71 °

Year Length

A year here lasts approximately 14.17 Earth days (3.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1150 AU.

Transit Fingerprint

Depth

0.025 %

Duration

2.610 h

Impact parameter b

0.190

Rp / R★

0.014719

Transit midpoint (BJD)

2,454,975.5980

Photometric dip

Transit produces a flux drop of 247 ppm lasting ≈ 2.61 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014719

Semi-major axis / stellar radius

43.410

Impact parameter (b)

0.190

Transit mid-time (BJD)

2,454,975.5980

Angular separation (arcsec)

0.12500

Eq. Temperature

873K

(600 °C)

Insolation (S⊕)

168.29

Earth = 1.00

Earth Similarity (ESI)

0.326

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-376

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,900 K — hotter than the Sun (5,778 K)

Estimated Age

1.91 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.175 R☉

Stellar Mass

0.968 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.303 dex

Stellar density

0.350 g/cm³

Metallicity ratio

[M/H]

Distance
923.07 parsec
Light-years 3,010.64 ly
V-band magnitude
13.86 mag
Voyager-speed travel 53,092,605 yr

Multi-band Host Photometry — 17 bands

9.215.615.44U14.45B13.86V13.73Gaia13.78Kepler13.30TESS14.18Sloan g12.55Sloan r15.59Sloan i13.58Sloan z12.70J12.38H12.32K12.31W112.34W212.49W39.16W4

Astrometric Data

Parallax

1.055 mas

Total Proper Motion

15.111 mas/yr

PM Right Ascension

-3.67 mas/yr

PM Declination

-14.66 mas/yr

Galactic Cartesian (pc)

x = 0.289 · y = -0.729 · z = 0.621

Equatorial (J2000)

RA 291.60715° · Dec 38.41032°

Galactic ℓ, b

71.033° · 10.209°

Ecliptic λ, β

304.405° · 59.295°

HTM-20 index

2091079474

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