Confirmed Exoplanet Discovered 2011

Kepler-14 b

A gas giant orbiting the f-type yellow-white Kepler-14, located approximately 2,602.7 light-years from Earth.

Key parameters at a glance

  • A radius of 12.73 Earth radii
  • A mass of 2,669.66 Earth masses
  • Surface gravity around 16.47 g
  • An orbital period of 6.790 days
  • Semi-major axis 0.0771 AU
  • Equilibrium temperature 1,605 K (1332 °C)
  • Distance from Earth 2,602.72 light-years
  • Earth Similarity Index 0.097
  • Travel time at Voyager 1 speed 45,899,051 years

Kepler-14 b Planet Profile

Physical Specs

Radius
12.73 R⊕
Radius (Jupiter)
1.136 R♃
Mass
2,669.66 M⊕
Mass (Jupiter)
8.400 M♃
Density
7.10 g/cm³
Surface Gravity
16.47 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.097
HZ Position Inner
Controversial No

Discovery

Year 2011
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1126of 1771

top 63.5%

This planet

12.73R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth Kepler-14 b Jupiter
Radius (R⊕)1.0012.7311.21
Mass (M⊕)1.002,669.66317.83
Density (g/cm³)5.517.101.33
Surface Gravity (g)1.0016.472.53
Insolation (S⊕)1.001,029.510.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 2,669.660 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 158561566

System

Kepler-14

Percentile among Gas Giant cohort

Radius 12.733 R⊕ · percentile 36 / cohort 1771
Mass 2,669.660 M⊕ · percentile 84 / cohort 1747
Orbital period 6.79 d · percentile 41 / cohort 1533
Distance 798.00 pc · percentile 83 / cohort 1759
ESI 0.097 · percentile 25 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
6.790 days
Semi-major axis
0.0771 AU
Eccentricity
0.035
Inclination
90.00 °

Year Length

A year here lasts approximately 6.79 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0771 AU.

Transit Fingerprint

Depth

0.225 %

Duration

6.218 h

Impact parameter b

0.000

Rp / R★

0.056900

Transit midpoint (BJD)

2,454,971.0874

Photometric dip

Transit produces a flux drop of 2,252 ppm lasting ≈ 6.22 h.

Extended Orbital Architecture

Planet / star radius ratio

0.056900

Semi-major axis / stellar radius

8.213

Impact parameter (b)

0.000

RV semi-amplitude (K)

682.900 m/s

Transit mid-time (BJD)

2,454,971.0874

Angular separation (arcsec)

0.09660

Eq. Temperature

1,605K

(1332 °C)

Insolation (S⊕)

1,029.51

Earth = 1.00

Earth Similarity (ESI)

0.097

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Buchhave et al. 2011

Instrument

Kepler CCD Array

Publication

2011-11

Observation locale

Space

Host System: Kepler-14

Spectral Class

F-type yellow-white

Effective Temperature

6,395 K — hotter than the Sun (5,778 K)

Estimated Age

2.20 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

2.048 R☉

Stellar Mass

1.512 M☉

Metallicity [Fe/H]

0.12

Extended Stellar Properties

Surface gravity (log g)

3.994 dex

Stellar density

0.292 g/cm³

Systemic radial velocity

6.53 km/s

Rotational v·sin i

7.90 km/s

Metallicity ratio

[Fe/H]

Distance
798.00 parsec
Light-years 2,602.72 ly
V-band magnitude
12.00 mag
Voyager-speed travel 45,899,051 yr

Multi-band Host Photometry — 15 bands

9.412.412.24B12.00V12.13Kepler11.64TESS12.36Sloan g12.06Sloan r12.02Sloan i12.03Sloan z11.20J11.07H10.99K10.96W110.98W210.93W39.39W4

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