Confirmed Exoplanet Discovered 2016

Kepler-1324 b

A super-earth orbiting the k-type orange Kepler-1324, located approximately 1,571.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.51 Earth radii
  • A mass of 2.89 Earth masses
  • Surface gravity around 1.27 g
  • An orbital period of 4.116 days
  • Semi-major axis 0.0466 AU
  • Equilibrium temperature 895 K (622 °C)
  • Distance from Earth 1,570.99 light-years
  • Earth Similarity Index 0.336
  • Travel time at Voyager 1 speed 27,704,333 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1324 b Planet Profile

Physical Specs

Radius
1.51 R⊕
Radius (Jupiter)
0.135 R♃
Mass
2.89 M⊕
Mass (Jupiter)
0.009 M♃
Density
4.61 g/cm³
Surface Gravity
1.27 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.336
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

#730of 1176

top 62.0%

This planet

1.51R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1324 b Jupiter
Radius (R⊕)1.001.5111.21
Mass (M⊕)1.002.89317.83
Density (g/cm³)5.514.611.33
Surface Gravity (g)1.001.272.53
Insolation (S⊕)1.0098.410.037

Star Catalogue Identifiers

TIC

TIC 137090755

Gaia DR2

Gaia DR2 2053454478745972480

Gaia DR3

Gaia DR3 2053454478745972480

System

Kepler-1324

Percentile among Super-Earth cohort

Radius 1.510 R⊕ · percentile 37 / cohort 1176
Mass 2.890 M⊕ · percentile 34 / cohort 1176
Orbital period 4.12 d · percentile 32 / cohort 1164
Distance 481.67 pc · percentile 45 / cohort 1171
ESI 0.336 · percentile 47 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
4.116 days
Semi-major axis
0.0466 AU
Eccentricity
0.000
Inclination
86.52 °

Year Length

A year here lasts approximately 4.12 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0466 AU.

Transit Fingerprint

Depth

0.046 %

Duration

1.385 h

Impact parameter b

0.086

Rp / R★

0.018997

Transit midpoint (BJD)

2,454,967.1195

Photometric dip

Transit produces a flux drop of 460 ppm lasting ≈ 1.39 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018997

Semi-major axis / stellar radius

23.060

Impact parameter (b)

0.086

Transit mid-time (BJD)

2,454,967.1195

Angular separation (arcsec)

0.09670

Eq. Temperature

895K

(622 °C)

Insolation (S⊕)

98.41

Earth = 1.00

Earth Similarity (ESI)

0.336

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-1324

Spectral Class

K-type orange

Effective Temperature

4,776 K — cooler than the Sun (5,778 K)

Estimated Age

2.88 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.730 R☉

Stellar Mass

0.780 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.610 dex

Stellar density

13.691 g/cm³

Metallicity ratio

[Fe/H]

Distance
481.67 parsec
Light-years 1,570.99 ly
V-band magnitude
15.55 mag
Voyager-speed travel 27,704,333 yr

Multi-band Host Photometry — 16 bands

8.916.716.74B15.55V15.13Gaia15.14Kepler14.44TESS16.06Sloan g15.08Sloan r14.75Sloan i14.56Sloan z13.47J12.94H12.83K12.77W112.81W212.32W38.89W4

Astrometric Data

Parallax

2.048 mas

Total Proper Motion

1.796 mas/yr

PM Right Ascension

-1.66 mas/yr

PM Declination

-0.68 mas/yr

Galactic Cartesian (pc)

x = 0.276 · y = -0.711 · z = 0.647

Equatorial (J2000)

RA 291.18495° · Dec 40.31120°

Galactic ℓ, b

72.619° · 11.346°

Ecliptic λ, β

304.897° · 61.208°

HTM-20 index

1381661127

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