Confirmed Exoplanet Discovered 2014

Kepler-375 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-375, located approximately 4,040.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.45 Earth radii
  • A mass of 2.70 Earth masses
  • Surface gravity around 1.28 g
  • An orbital period of 12.126 days
  • Semi-major axis 0.1010 AU
  • Equilibrium temperature 851 K (578 °C)
  • Distance from Earth 4,040.45 light-years
  • Earth Similarity Index 0.358
  • Travel time at Voyager 1 speed 71,253,387 years

1 sibling around Kepler-375

Kepler-375 b 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-375 b this Super-Earth 1.45 2.70 12.126 851 2014
Kepler-375 c Sub-Neptune 2.65 7.51 19.986 720 2014

Kepler-375 b Planet Profile

Physical Specs

Radius
1.45 R⊕
Radius (Jupiter)
0.129 R♃
Mass
2.70 M⊕
Mass (Jupiter)
0.008 M♃
Density
4.87 g/cm³
Surface Gravity
1.28 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.358
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

#837of 1176

top 71.1%

This planet

1.45R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-375 b Jupiter
Radius (R⊕)1.001.4511.21
Mass (M⊕)1.002.70317.83
Density (g/cm³)5.514.871.33
Surface Gravity (g)1.001.282.53
Insolation (S⊕)1.0064.440.037

Star Catalogue Identifiers

TIC

TIC 299032517

Gaia DR2

Gaia DR2 2130963696251416960

Gaia DR3

Gaia DR3 2130963696251416960

System

Kepler-375

Percentile among Super-Earth cohort

Radius 1.450 R⊕ · percentile 28 / cohort 1176
Mass 2.700 M⊕ · percentile 26 / cohort 1176
Orbital period 12.13 d · percentile 70 / cohort 1164
Distance 1,238.81 pc · percentile 90 / cohort 1171
ESI 0.358 · percentile 52 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
12.126 days
Semi-major axis
0.1010 AU
Eccentricity
0.000
Inclination
87.38 °

Year Length

A year here lasts approximately 12.13 Earth days (3.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1010 AU.

Transit Fingerprint

Depth

0.033 %

Duration

3.040 h

Impact parameter b

0.320

Rp / R★

0.017091

Transit midpoint (BJD)

2,454,975.1045

Photometric dip

Transit produces a flux drop of 328 ppm lasting ≈ 3.04 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017091

Semi-major axis / stellar radius

17.590

Impact parameter (b)

0.320

Transit mid-time (BJD)

2,454,975.1045

Angular separation (arcsec)

0.08150

Eq. Temperature

851K

(578 °C)

Insolation (S⊕)

64.44

Earth = 1.00

Earth Similarity (ESI)

0.358

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-375

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,826 K — hotter than the Sun (5,778 K)

Estimated Age

0.40 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.837 R☉

Stellar Mass

0.891 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.567 dex

Stellar density

1.370 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,238.81 parsec
Light-years 4,040.45 ly
V-band magnitude
15.64 mag
Voyager-speed travel 71,253,387 yr

Multi-band Host Photometry — 16 bands

9.516.716.73B15.64V15.68Gaia15.70Kepler15.18TESS16.19Sloan g15.65Sloan r15.49Sloan i15.42Sloan z14.54J14.09H14.08K13.94W113.97W213.15W39.45W4

Astrometric Data

Parallax

0.779 mas

Total Proper Motion

5.774 mas/yr

PM Right Ascension

-1.02 mas/yr

PM Declination

-5.68 mas/yr

Galactic Cartesian (pc)

x = 0.213 · y = -0.633 · z = 0.744

Equatorial (J2000)

RA 288.61787° · Dec 48.09836°

Galactic ℓ, b

79.134° · 16.245°

Ecliptic λ, β

306.834° · 69.168°

HTM-20 index

270662148

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