Confirmed Exoplanet Discovered 2014

Kepler-167 b

A super-earth orbiting the k-type orange Kepler-167, located approximately 1,115.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.72 Earth radii
  • A mass of 3.60 Earth masses
  • Surface gravity around 1.22 g
  • An orbital period of 4.393 days
  • Semi-major axis 0.0483 AU
  • Equilibrium temperature 918 K (645 °C)
  • Distance from Earth 1,115.15 light-years
  • Earth Similarity Index 0.313
  • Travel time at Voyager 1 speed 19,665,730 years
  • Almost certainly tidally locked to its host star given the close orbit

3 siblings around Kepler-167

Kepler-167 b shares its host star with 3 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-167 b this Super-Earth 1.72 3.60 4.393 918 2014
Kepler-167 c Super-Earth 1.67 3.44 7.406 771 2014
Kepler-167 d Rocky Terrestrial 1.24 2.06 21.804 538 2016
Kepler-167 e Gas Giant 10.16 321.01 1,071.232 134 2016

Kepler-167 b Planet Profile

Physical Specs

Radius
1.72 R⊕
Radius (Jupiter)
0.153 R♃
Mass
3.60 M⊕
Mass (Jupiter)
0.011 M♃
Density
3.90 g/cm³
Surface Gravity
1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.313
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

#381of 1176

top 32.3%

This planet

1.72R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-167 b Jupiter
Radius (R⊕)1.001.7211.21
Mass (M⊕)1.003.60317.83
Density (g/cm³)5.513.901.33
Surface Gravity (g)1.001.222.53
Insolation (S⊕)1.00122.500.037

Star Catalogue Identifiers

TIC

TIC 137686948

Gaia DR2

Gaia DR2 2051933102555095936

Gaia DR3

Gaia DR3 2051933102555095936

System

Kepler-167

Percentile among Super-Earth cohort

Radius 1.718 R⊕ · percentile 68 / cohort 1176
Mass 3.600 M⊕ · percentile 62 / cohort 1176
Orbital period 4.39 d · percentile 35 / cohort 1164
Distance 341.91 pc · percentile 35 / cohort 1171
ESI 0.313 · percentile 40 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
4.393 days
Semi-major axis
0.0483 AU
Eccentricity
0.000
Inclination
88.30 °

Year Length

A year here lasts approximately 4.39 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0483 AU.

Transit Fingerprint

Depth

0.044 %

Duration

2.446 h

Impact parameter b

0.410

Rp / R★

0.020360

Transit midpoint (BJD)

2,455,831.7807

Photometric dip

Transit produces a flux drop of 441 ppm lasting ≈ 2.45 h.

Extended Orbital Architecture

Planet / star radius ratio

0.020360

Semi-major axis / stellar radius

9.884

Impact parameter (b)

0.410

Transit mid-time (BJD)

2,455,831.7807

Angular separation (arcsec)

0.14100

Eq. Temperature

918K

(645 °C)

Insolation (S⊕)

122.50

Earth = 1.00

Earth Similarity (ESI)

0.313

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-167

Spectral Class

K-type orange

Effective Temperature

4,884 K — cooler than the Sun (5,778 K)

Estimated Age

7.10 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.749 R☉

Stellar Mass

0.777 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.579 dex

Stellar density

2.600 g/cm³

Systemic radial velocity

-29.30 km/s

Rotational v·sin i

2.00 km/s

Metallicity ratio

[Fe/H]

Distance
341.91 parsec
Light-years 1,115.15 ly
V-band magnitude
14.28 mag
Voyager-speed travel 19,665,730 yr

Multi-band Host Photometry — 16 bands

9.315.115.11B14.28V14.00Gaia14.02Kepler13.37TESS14.81Sloan g13.95Sloan r13.69Sloan i13.54Sloan z12.45J11.97H11.83K11.77W111.84W211.63W39.26W4

Astrometric Data

Parallax

2.896 mas

Total Proper Motion

39.394 mas/yr

PM Right Ascension

15.08 mas/yr

PM Declination

36.39 mas/yr

Galactic Cartesian (pc)

x = 0.302 · y = -0.724 · z = 0.620

Equatorial (J2000)

RA 292.65853° · Dec 38.34556°

Galactic ℓ, b

71.353° · 9.445°

Ecliptic λ, β

305.905° · 58.992°

HTM-20 index

1333285160

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