Confirmed Exoplanet Discovered 2019

EPIC 206024342 b

A super-earth orbiting the g-type yellow (sun-like) EPIC 206024342, located approximately 1,206.4 light-years from Earth.

Key parameters at a glance

  • A radius of 1.70 Earth radii
  • A mass of 3.53 Earth masses
  • Surface gravity around 1.22 g
  • An orbital period of 4.508 days
  • Distance from Earth 1,206.41 light-years
  • Earth Similarity Index 0.846
  • Travel time at Voyager 1 speed 21,275,073 years

2 siblings around EPIC 206024342

EPIC 206024342 b shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
EPIC 206024342 c Super-Earth 1.40 2.54 0.912 2021
EPIC 206024342 b this Super-Earth 1.70 3.53 4.508 2019
EPIC 206024342 d Sub-Neptune 2.60 7.27 14.648 2021

EPIC 206024342 b Planet Profile

Physical Specs

Radius
1.70 R⊕
Radius (Jupiter)
0.152 R♃
Mass
3.53 M⊕
Mass (Jupiter)
0.011 M♃
Density
3.95 g/cm³
Surface Gravity
1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.846
HZ Position Unknown
Controversial No

Discovery

Year 2019
Method Transit
Facility K2
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#401of 1176

top 34.0%

This planet

1.70R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth EPIC 206024342 b Jupiter
Radius (R⊕)1.001.7011.21
Mass (M⊕)1.003.53317.83
Density (g/cm³)5.513.951.33
Surface Gravity (g)1.001.222.53
Insolation (S⊕)1.000.037

Star Catalogue Identifiers

TIC

TIC 75266189

Gaia DR2

Gaia DR2 6839540362940861568

Gaia DR3

Gaia DR3 6839540362940861568

System

EPIC 206024342

Percentile among Super-Earth cohort

Radius 1.700 R⊕ · percentile 65 / cohort 1176
Mass 3.530 M⊕ · percentile 59 / cohort 1176
Orbital period 4.51 d · percentile 36 / cohort 1164
Distance 369.89 pc · percentile 37 / cohort 1171
ESI 0.846 · percentile 93 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
4.508 days
Semi-major axis
AU
Eccentricity
Inclination
°

Year Length

A year here lasts approximately 4.51 Earth days (1.2% of a terrestrial year).

Transit Fingerprint

Depth

0.027 %

Duration

2.184 h

Impact parameter b

0.700

Rp / R★

0.014700

Transit midpoint (BJD)

2,456,899.1324

Photometric dip

Transit produces a flux drop of 267 ppm lasting ≈ 2.18 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014700

Semi-major axis / stellar radius

13.900

Impact parameter (b)

0.700

Transit mid-time (BJD)

2,456,899.1324

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.846

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Heller et al. 2019

Instrument

Kepler CCD Array

Publication

2019-07

Observation locale

Space

Host System: EPIC 206024342

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,724 K — cooler than the Sun (5,778 K)

Estimated Age

Stellar Radius

0.823 R☉

Stellar Mass

0.928 M☉

Metallicity [Fe/H]

-0.22

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

2.383 g/cm³

Metallicity ratio

[Fe/H]

Distance
369.89 parsec
Light-years 1,206.41 ly
V-band magnitude
13.10 mag
Voyager-speed travel 21,275,073 yr

Multi-band Host Photometry — 12 bands

8.213.813.80B13.10V12.97Gaia13.05Kepler12.52TESS11.85J11.53H11.49K11.44W111.50W211.60W38.20W4

Astrometric Data

Parallax

2.675 mas

Total Proper Motion

35.632 mas/yr

PM Right Ascension

-18.37 mas/yr

PM Declination

-30.53 mas/yr

Galactic Cartesian (pc)

x = 0.850 · y = -0.466 · z = -0.244

Equatorial (J2000)

RA 331.27714° · Dec -14.12180°

Galactic ℓ, b

42.944° · -49.187°

Ecliptic λ, β

328.326° · -2.205°

HTM-20 index

1505357406

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