Confirmed Exoplanet Discovered 2016

Kepler-1614 b

A super-earth orbiting the k-type orange Kepler-1614, located approximately 3,885.1 light-years from Earth.

Key parameters at a glance

  • A radius of 1.49 Earth radii
  • A mass of 2.83 Earth masses
  • Surface gravity around 1.27 g
  • An orbital period of 3.947 days
  • Semi-major axis 0.0471 AU
  • Equilibrium temperature 981 K (708 °C)
  • Distance from Earth 3,885.14 light-years
  • Earth Similarity Index 0.306
  • Travel time at Voyager 1 speed 68,514,399 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1614 b Planet Profile

Physical Specs

Radius
1.49 R⊕
Radius (Jupiter)
0.133 R♃
Mass
2.83 M⊕
Mass (Jupiter)
0.009 M♃
Density
4.70 g/cm³
Surface Gravity
1.27 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.306
HZ Position Inner
Controversial No

Discovery

Year 2016
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#766of 1176

top 65.1%

This planet

1.49R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1614 b Jupiter
Radius (R⊕)1.001.4911.21
Mass (M⊕)1.002.83317.83
Density (g/cm³)5.514.701.33
Surface Gravity (g)1.001.272.53
Insolation (S⊕)1.00276.370.037

Star Catalogue Identifiers

TIC

TIC 48451562

Gaia DR2

Gaia DR2 2132314858600815488

Gaia DR3

Gaia DR3 2132314858600815488

System

Kepler-1614

Percentile among Super-Earth cohort

Radius 1.490 R⊕ · percentile 34 / cohort 1176
Mass 2.830 M⊕ · percentile 32 / cohort 1176
Orbital period 3.95 d · percentile 31 / cohort 1164
Distance 1,191.19 pc · percentile 89 / cohort 1171
ESI 0.306 · percentile 38 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
3.947 days
Semi-major axis
0.0471 AU
Eccentricity
0.000
Inclination
88.54 °

Year Length

A year here lasts approximately 3.95 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0471 AU.

Transit Fingerprint

Depth

0.031 %

Duration

2.836 h

Impact parameter b

0.301

Rp / R★

0.017676

Transit midpoint (BJD)

2,454,965.2456

Photometric dip

Transit produces a flux drop of 309 ppm lasting ≈ 2.84 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017676

Semi-major axis / stellar radius

10.910

Impact parameter (b)

0.301

Transit mid-time (BJD)

2,454,965.2456

Angular separation (arcsec)

0.03950

Eq. Temperature

981K

(708 °C)

Insolation (S⊕)

276.37

Earth = 1.00

Earth Similarity (ESI)

0.306

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

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1614

Spectral Class

K-type orange

Effective Temperature

5,121 K — cooler than the Sun (5,778 K)

Estimated Age

5.50 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.760 R☉

Stellar Mass

0.790 M☉

Metallicity [Fe/H]

-0.17

Extended Stellar Properties

Surface gravity (log g)

4.580 dex

Stellar density

1.347 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,191.19 parsec
Light-years 3,885.14 ly
V-band magnitude
16.01 mag
Voyager-speed travel 68,514,399 yr

Multi-band Host Photometry — 16 bands

9.517.217.20B16.01V15.94Gaia15.92Kepler15.37TESS16.56Sloan g15.85Sloan r15.65Sloan i15.57Sloan z14.59J14.05H14.00K14.00W114.09W213.20W39.52W4

Astrometric Data

Parallax

0.811 mas

Total Proper Motion

3.980 mas/yr

PM Right Ascension

3.95 mas/yr

PM Declination

0.51 mas/yr

Galactic Cartesian (pc)

x = 0.166 · y = -0.624 · z = 0.764

Equatorial (J2000)

RA 284.87139° · Dec 49.77589°

Galactic ℓ, b

79.840° · 19.146°

Ecliptic λ, β

301.641° · 71.585°

HTM-20 index

-515651362

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