Confirmed Exoplanet Discovered 2014

Kepler-364 b

A super-earth orbiting the f-type yellow-white Kepler-364, located approximately 2,907.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.55 Earth radii
  • A mass of 3.02 Earth masses
  • Surface gravity around 1.26 g
  • An orbital period of 25.746 days
  • Semi-major axis 0.1780 AU
  • Equilibrium temperature 753 K (480 °C)
  • Distance from Earth 2,907.56 light-years
  • Earth Similarity Index 0.398
  • Travel time at Voyager 1 speed 51,274,761 years

1 sibling around Kepler-364

Kepler-364 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-364 b this Super-Earth 1.55 3.02 25.746 753 2014
Kepler-364 c Sub-Neptune 2.15 5.27 59.981 568 2014

Kepler-364 b Planet Profile

Physical Specs

Radius
1.55 R⊕
Radius (Jupiter)
0.138 R♃
Mass
3.02 M⊕
Mass (Jupiter)
0.010 M♃
Density
4.46 g/cm³
Surface Gravity
1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.398
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

#652of 1176

top 55.4%

This planet

1.55R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-364 b Jupiter
Radius (R⊕)1.001.5511.21
Mass (M⊕)1.003.02317.83
Density (g/cm³)5.514.461.33
Surface Gravity (g)1.001.262.53
Insolation (S⊕)1.0068.710.037

Star Catalogue Identifiers

TIC

TIC 123358019

Gaia DR2

Gaia DR2 2119591206965104768

Gaia DR3

Gaia DR3 2119591206965104768

System

Kepler-364

Percentile among Super-Earth cohort

Radius 1.550 R⊕ · percentile 43 / cohort 1176
Mass 3.020 M⊕ · percentile 39 / cohort 1176
Orbital period 25.75 d · percentile 89 / cohort 1164
Distance 891.46 pc · percentile 75 / cohort 1171
ESI 0.398 · percentile 60 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
25.746 days
Semi-major axis
0.1780 AU
Eccentricity
0.000
Inclination
88.22 °

Year Length

A year here lasts approximately 25.75 Earth days (7.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1780 AU.

Transit Fingerprint

Depth

0.014 %

Duration

6.983 h

Impact parameter b

0.680

Rp / R★

0.011317

Transit midpoint (BJD)

2,454,968.9506

Photometric dip

Transit produces a flux drop of 140 ppm lasting ≈ 6.98 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011317

Semi-major axis / stellar radius

26.970

Impact parameter (b)

0.680

Transit mid-time (BJD)

2,454,968.9506

Angular separation (arcsec)

0.20000

Eq. Temperature

753K

(480 °C)

Insolation (S⊕)

68.71

Earth = 1.00

Earth Similarity (ESI)

0.398

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-364

Spectral Class

F-type yellow-white

Effective Temperature

6,108 K — hotter than the Sun (5,778 K)

Estimated Age

0.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.284 R☉

Stellar Mass

1.076 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.273 dex

Stellar density

0.500 g/cm³

Metallicity ratio

[M/H]

Distance
891.46 parsec
Light-years 2,907.56 ly
V-band magnitude
13.75 mag
Voyager-speed travel 51,274,761 yr

Multi-band Host Photometry — 16 bands

9.314.814.82B13.75V13.61Gaia13.66Kepler13.23TESS13.95Sloan g13.59Sloan r13.54Sloan i13.52Sloan z12.68J12.42H12.39K12.37W112.39W212.82W39.31W4

Astrometric Data

Parallax

1.093 mas

Total Proper Motion

14.700 mas/yr

PM Right Ascension

6.14 mas/yr

PM Declination

-13.36 mas/yr

Galactic Cartesian (pc)

x = 0.136 · y = -0.663 · z = 0.736

Equatorial (J2000)

RA 281.57000° · Dec 47.39862°

Galactic ℓ, b

76.697° · 20.438°

Ecliptic λ, β

293.271° · 69.905°

HTM-20 index

1694269516

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