Confirmed Exoplanet Discovered 2016

Kepler-1379 b

A super-earth orbiting the k-type orange Kepler-1379, located approximately 3,168.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.30 Earth radii
  • A mass of 2.24 Earth masses
  • Surface gravity around 1.33 g
  • An orbital period of 0.882 days
  • Semi-major axis 0.0171 AU
  • Equilibrium temperature 1,564 K (1291 °C)
  • Distance from Earth 3,168.03 light-years
  • Earth Similarity Index 0.187
  • Travel time at Voyager 1 speed 55,868,290 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1379 b Planet Profile

Physical Specs

Radius
1.30 R⊕
Radius (Jupiter)
0.116 R♃
Mass
2.24 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.60 g/cm³
Surface Gravity
1.33 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.187
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

#1090of 1176

top 92.6%

This planet

1.30R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1379 b Jupiter
Radius (R⊕)1.001.3011.21
Mass (M⊕)1.002.24317.83
Density (g/cm³)5.515.601.33
Surface Gravity (g)1.001.332.53
Insolation (S⊕)1.001,600.050.037

Star Catalogue Identifiers

TIC

TIC 138296836

Gaia DR2

Gaia DR2 2077413734773457536

Gaia DR3

Gaia DR3 2077413734773457536

System

Kepler-1379

Percentile among Super-Earth cohort

Radius 1.300 R⊕ · percentile 7 / cohort 1176
Mass 2.240 M⊕ · percentile 7 / cohort 1176
Orbital period 0.88 d · percentile 4 / cohort 1164
Distance 971.33 pc · percentile 79 / cohort 1171
ESI 0.187 · percentile 10 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
0.882 days
Semi-major axis
0.0171 AU
Eccentricity
0.000
Inclination
84.47 °

Year Length

A year here lasts roughly 21.2 hours long on a nearly circular orbit at a mean orbital distance of 0.0171 AU.

Transit Fingerprint

Depth

0.025 %

Duration

1.305 h

Impact parameter b

0.145

Rp / R★

0.015050

Transit midpoint (BJD)

2,454,964.6906

Photometric dip

Transit produces a flux drop of 250 ppm lasting ≈ 1.31 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015050

Semi-major axis / stellar radius

5.221

Impact parameter (b)

0.145

Transit mid-time (BJD)

2,454,964.6906

Angular separation (arcsec)

0.01760

Eq. Temperature

1,564K

(1291 °C)

Insolation (S⊕)

1,600.05

Earth = 1.00

Earth Similarity (ESI)

0.187

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. 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-1379

Spectral Class

K-type orange

Effective Temperature

5,188 K — cooler than the Sun (5,778 K)

Estimated Age

5.01 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.790 R☉

Stellar Mass

0.830 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

4.570 dex

Stellar density

2.545 g/cm³

Metallicity ratio

[Fe/H]

Distance
971.33 parsec
Light-years 3,168.03 ly
V-band magnitude
16.11 mag
Voyager-speed travel 55,868,290 yr

Multi-band Host Photometry — 16 bands

9.117.117.12B16.11V15.85Gaia15.92Kepler15.26TESS16.63Sloan g15.87Sloan r15.61Sloan i15.51Sloan z14.41J13.99H13.80K13.70W113.78W212.78W39.12W4

Astrometric Data

Parallax

1.003 mas

Total Proper Motion

10.292 mas/yr

PM Right Ascension

-1.56 mas/yr

PM Declination

-10.17 mas/yr

Galactic Cartesian (pc)

x = 0.301 · y = -0.687 · z = 0.661

Equatorial (J2000)

RA 293.67044° · Dec 41.41021°

Galactic ℓ, b

74.478° · 10.161°

Ecliptic λ, β

309.355° · 61.654°

HTM-20 index

1422165280

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