Confirmed Exoplanet Discovered 2016

Kepler-1336 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-1336, located approximately 3,674.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.98 Earth radii
  • A mass of 4.58 Earth masses
  • Surface gravity around 1.17 g
  • An orbital period of 23.199 days
  • Semi-major axis 0.1585 AU
  • Equilibrium temperature 793 K (520 °C)
  • Distance from Earth 3,674.60 light-years
  • Earth Similarity Index 0.348
  • Travel time at Voyager 1 speed 64,801,637 years

1 sibling around Kepler-1336

Kepler-1336 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-1336 c Super-Earth 1.71 3.57 5.777 1,260 2016
Kepler-1336 b this Super-Earth 1.98 4.58 23.199 793 2016

Kepler-1336 b Planet Profile

Physical Specs

Radius
1.98 R⊕
Radius (Jupiter)
0.177 R♃
Mass
4.58 M⊕
Mass (Jupiter)
0.014 M♃
Density
3.24 g/cm³
Surface Gravity
1.17 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.348
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

#25of 1176

top 2.0%

This planet

1.98R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1336 b Jupiter
Radius (R⊕)1.001.9811.21
Mass (M⊕)1.004.58317.83
Density (g/cm³)5.513.241.33
Surface Gravity (g)1.001.172.53
Insolation (S⊕)1.00103.720.037

Star Catalogue Identifiers

TIC

TIC 272278272

Gaia DR2

Gaia DR2 2080529922521395712

Gaia DR3

Gaia DR3 2080529922521395712

System

Kepler-1336

Percentile among Super-Earth cohort

Radius 1.980 R⊕ · percentile 97 / cohort 1176
Mass 4.580 M⊕ · percentile 89 / cohort 1176
Orbital period 23.20 d · percentile 88 / cohort 1164
Distance 1,126.64 pc · percentile 87 / cohort 1171
ESI 0.348 · percentile 50 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
23.199 days
Semi-major axis
0.1585 AU
Eccentricity
0.000
Inclination
89.00 °

Year Length

A year here lasts approximately 23.20 Earth days (6.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1585 AU.

Transit Fingerprint

Depth

0.022 %

Duration

9.729 h

Impact parameter b

0.030

Rp / R★

0.013729

Transit midpoint (BJD)

2,454,975.6202

Photometric dip

Transit produces a flux drop of 225 ppm lasting ≈ 9.73 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013729

Semi-major axis / stellar radius

18.476

Impact parameter (b)

0.030

Transit mid-time (BJD)

2,454,975.6202

Angular separation (arcsec)

0.14100

Eq. Temperature

793K

(520 °C)

Insolation (S⊕)

103.72

Earth = 1.00

Earth Similarity (ESI)

0.348

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1336

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,512 K — cooler than the Sun (5,778 K)

Estimated Age

12.30 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.300 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.180 dex

Stellar density

0.190 g/cm³

Systemic radial velocity

2.45 km/s

Rotational v·sin i

1.40 km/s

Metallicity ratio

[Fe/H]

Distance
1,126.64 parsec
Light-years 3,674.60 ly
V-band magnitude
14.26 mag
Voyager-speed travel 64,801,637 yr

Multi-band Host Photometry — 16 bands

9.414.814.79B14.26V14.04Gaia14.06Kepler13.53TESS14.57Sloan g14.00Sloan r13.84Sloan i13.79Sloan z12.82J12.42H12.37K12.31W112.35W212.11W39.36W4

Astrometric Data

Parallax

0.859 mas

Total Proper Motion

12.765 mas/yr

PM Right Ascension

-6.77 mas/yr

PM Declination

-10.82 mas/yr

Galactic Cartesian (pc)

x = 0.303 · y = -0.613 · z = 0.730

Equatorial (J2000)

RA 296.27766° · Dec 46.89980°

Galactic ℓ, b

80.307° · 11.059°

Ecliptic λ, β

318.070° · 66.010°

HTM-20 index

-2035677297

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