Confirmed Exoplanet Discovered 2016

Kepler-1346 b

A super-earth orbiting the f-type yellow-white Kepler-1346, located approximately 2,751.8 light-years from Earth.

Key parameters at a glance

  • A radius of 1.58 Earth radii
  • A mass of 3.12 Earth masses
  • Surface gravity around 1.25 g
  • An orbital period of 3.402 days
  • Semi-major axis 0.0440 AU
  • Equilibrium temperature 1,236 K (963 °C)
  • Distance from Earth 2,751.78 light-years
  • Earth Similarity Index 0.232
  • Travel time at Voyager 1 speed 48,527,663 years

Kepler-1346 b Planet Profile

Physical Specs

Radius
1.58 R⊕
Radius (Jupiter)
0.141 R♃
Mass
3.12 M⊕
Mass (Jupiter)
0.010 M♃
Density
4.35 g/cm³
Surface Gravity
1.25 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.232
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

#603of 1176

top 51.2%

This planet

1.58R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1346 b Jupiter
Radius (R⊕)1.001.5811.21
Mass (M⊕)1.003.12317.83
Density (g/cm³)5.514.351.33
Surface Gravity (g)1.001.252.53
Insolation (S⊕)1.00545.580.037

Star Catalogue Identifiers

TIC

TIC 63066410

Gaia DR2

Gaia DR2 2126604991642285312

Gaia DR3

Gaia DR3 2126604991642285312

System

Kepler-1346

Percentile among Super-Earth cohort

Radius 1.580 R⊕ · percentile 48 / cohort 1176
Mass 3.120 M⊕ · percentile 44 / cohort 1176
Orbital period 3.40 d · percentile 26 / cohort 1164
Distance 843.70 pc · percentile 71 / cohort 1171
ESI 0.232 · percentile 19 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
3.402 days
Semi-major axis
0.0440 AU
Eccentricity
0.000
Inclination
81.42 °

Year Length

A year here lasts approximately 3.40 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0440 AU.

Transit Fingerprint

Depth

0.016 %

Duration

1.794 h

Impact parameter b

0.244

Rp / R★

0.012046

Transit midpoint (BJD)

2,454,965.0610

Photometric dip

Transit produces a flux drop of 156 ppm lasting ≈ 1.79 h.

Extended Orbital Architecture

Planet / star radius ratio

0.012046

Semi-major axis / stellar radius

14.240

Impact parameter (b)

0.244

Transit mid-time (BJD)

2,454,965.0610

Angular separation (arcsec)

0.05220

Eq. Temperature

1,236K

(963 °C)

Insolation (S⊕)

545.58

Earth = 1.00

Earth Similarity (ESI)

0.232

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1346

Spectral Class

F-type yellow-white

Effective Temperature

6,133 K — hotter than the Sun (5,778 K)

Estimated Age

3.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.210 R☉

Stellar Mass

1.140 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.330 dex

Stellar density

4.719 g/cm³

Metallicity ratio

[Fe/H]

Distance
843.70 parsec
Light-years 2,751.78 ly
V-band magnitude
14.63 mag
Voyager-speed travel 48,527,663 yr

Multi-band Host Photometry — 16 bands

8.915.315.32B14.63V14.46Gaia14.50Kepler14.02TESS14.91Sloan g14.46Sloan r14.32Sloan i14.27Sloan z13.39J13.09H13.11K13.00W113.06W212.59W38.95W4

Astrometric Data

Parallax

1.157 mas

Total Proper Motion

5.981 mas/yr

PM Right Ascension

5.35 mas/yr

PM Declination

2.68 mas/yr

Galactic Cartesian (pc)

x = 0.262 · y = -0.654 · z = 0.709

Equatorial (J2000)

RA 291.84134° · Dec 45.17919°

Galactic ℓ, b

77.317° · 13.032°

Ecliptic λ, β

309.494° · 65.650°

HTM-20 index

1348432171

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