Confirmed Exoplanet Discovered 2016

Kepler-605 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-605, located approximately 1,815.3 light-years from Earth.

Key parameters at a glance

  • A radius of 1.44 Earth radii
  • A mass of 2.67 Earth masses
  • Surface gravity around 1.29 g
  • An orbital period of 3.384 days
  • Semi-major axis 0.0424 AU
  • Equilibrium temperature 1,133 K (860 °C)
  • Distance from Earth 1,815.32 light-years
  • Earth Similarity Index 0.264
  • Travel time at Voyager 1 speed 32,013,150 years

1 sibling around Kepler-605

Kepler-605 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-605 c Rocky Terrestrial 0.86 0.57 2.359 1,278 2016
Kepler-605 b this Super-Earth 1.44 2.67 3.384 1,133 2016

Kepler-605 b Planet Profile

Physical Specs

Radius
1.44 R⊕
Radius (Jupiter)
0.128 R♃
Mass
2.67 M⊕
Mass (Jupiter)
0.008 M♃
Density
4.91 g/cm³
Surface Gravity
1.29 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.264
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

#850of 1176

top 72.2%

This planet

1.44R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-605 b Jupiter
Radius (R⊕)1.001.4411.21
Mass (M⊕)1.002.67317.83
Density (g/cm³)5.514.911.33
Surface Gravity (g)1.001.292.53
Insolation (S⊕)1.00316.720.037

Star Catalogue Identifiers

TIC

TIC 158423850

Gaia DR2

Gaia DR2 2105618029085927680

Gaia DR3

Gaia DR3 2105618029085927680

System

Kepler-605

Percentile among Super-Earth cohort

Radius 1.440 R⊕ · percentile 27 / cohort 1176
Mass 2.670 M⊕ · percentile 25 / cohort 1176
Orbital period 3.38 d · percentile 25 / cohort 1164
Distance 556.58 pc · percentile 51 / cohort 1171
ESI 0.264 · percentile 28 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
3.384 days
Semi-major axis
0.0424 AU
Eccentricity
0.000
Inclination
87.54 °

Year Length

A year here lasts approximately 3.38 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0424 AU.

Transit Fingerprint

Depth

0.026 %

Duration

1.437 h

Impact parameter b

0.800

Rp / R★

0.014902

Transit midpoint (BJD)

2,455,002.6395

Photometric dip

Transit produces a flux drop of 256 ppm lasting ≈ 1.44 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014902

Semi-major axis / stellar radius

18.211

Impact parameter (b)

0.800

Transit mid-time (BJD)

2,455,002.6395

Angular separation (arcsec)

0.07630

Eq. Temperature

1,133K

(860 °C)

Insolation (S⊕)

316.72

Earth = 1.00

Earth Similarity (ESI)

0.264

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-605

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,462 K — cooler than the Sun (5,778 K)

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.880 R☉

Stellar Mass

0.910 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.520 dex

Stellar density

1.410 g/cm³

Metallicity ratio

[Fe/H]

Distance
556.58 parsec
Light-years 1,815.32 ly
V-band magnitude
14.38 mag
Voyager-speed travel 32,013,150 yr

Multi-band Host Photometry — 16 bands

8.814.814.78B14.38V14.14Gaia14.14Kepler13.61TESS14.71Sloan g14.07Sloan r13.90Sloan i13.83Sloan z12.87J12.50H12.42K12.28W112.33W211.98W38.77W4

Astrometric Data

Parallax

1.768 mas

Total Proper Motion

2.898 mas/yr

PM Right Ascension

-2.67 mas/yr

PM Declination

-1.14 mas/yr

Galactic Cartesian (pc)

x = 0.216 · y = -0.695 · z = 0.686

Equatorial (J2000)

RA 287.29540° · Dec 43.27987°

Galactic ℓ, b

74.150° · 15.218°

Ecliptic λ, β

300.661° · 64.889°

HTM-20 index

-2142110068

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