Confirmed Exoplanet Discovered 2016

Kepler-1534 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-1534, located approximately 3,610.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.89 Earth radii
  • A mass of 4.23 Earth masses
  • Surface gravity around 1.18 g
  • An orbital period of 5.717 days
  • Semi-major axis 0.0599 AU
  • Equilibrium temperature 955 K (682 °C)
  • Distance from Earth 3,610.55 light-years
  • Earth Similarity Index 0.291
  • Travel time at Voyager 1 speed 63,671,991 years

Kepler-1534 b Planet Profile

Physical Specs

Radius
1.89 R⊕
Radius (Jupiter)
0.169 R♃
Mass
4.23 M⊕
Mass (Jupiter)
0.013 M♃
Density
3.44 g/cm³
Surface Gravity
1.18 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.291
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

#143of 1176

top 12.1%

This planet

1.89R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1534 b Jupiter
Radius (R⊕)1.001.8911.21
Mass (M⊕)1.004.23317.83
Density (g/cm³)5.513.441.33
Surface Gravity (g)1.001.182.53
Insolation (S⊕)1.00196.510.037

Star Catalogue Identifiers

TIC

TIC 63285279

Gaia DR2

Gaia DR2 2125960402948600704

Gaia DR3

Gaia DR3 2125960402948600704

System

Kepler-1534

Percentile among Super-Earth cohort

Radius 1.890 R⊕ · percentile 87 / cohort 1176
Mass 4.230 M⊕ · percentile 80 / cohort 1176
Orbital period 5.72 d · percentile 45 / cohort 1164
Distance 1,107.00 pc · percentile 86 / cohort 1171
ESI 0.291 · percentile 34 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
5.717 days
Semi-major axis
0.0599 AU
Eccentricity
0.000
Inclination
88.04 °

Year Length

A year here lasts approximately 5.72 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0599 AU.

Transit Fingerprint

Depth

0.043 %

Duration

1.959 h

Impact parameter b

0.000

Rp / R★

0.020201

Transit midpoint (BJD)

2,454,969.3221

Photometric dip

Transit produces a flux drop of 432 ppm lasting ≈ 1.96 h.

Extended Orbital Architecture

Planet / star radius ratio

0.020201

Semi-major axis / stellar radius

22.750

Impact parameter (b)

0.000

Transit mid-time (BJD)

2,454,969.3221

Angular separation (arcsec)

0.05410

Eq. Temperature

955K

(682 °C)

Insolation (S⊕)

196.51

Earth = 1.00

Earth Similarity (ESI)

0.291

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-1534

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,442 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.860 R☉

Stellar Mass

0.900 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.520 dex

Stellar density

6.813 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,107.00 parsec
Light-years 3,610.55 ly
V-band magnitude
16.43 mag
Voyager-speed travel 63,671,991 yr

Multi-band Host Photometry — 15 bands

9.416.416.43V16.24Gaia15.67Kepler15.72TESS16.28Sloan g15.63Sloan r15.40Sloan i15.30Sloan z14.39J13.96H13.93K13.91W113.91W213.08W39.39W4

Astrometric Data

Total Proper Motion

7.052 mas/yr

PM Right Ascension

-2.79 mas/yr

PM Declination

6.48 mas/yr

Galactic Cartesian (pc)

x = 0.275 · y = -0.667 · z = 0.693

Equatorial (J2000)

RA 292.39537° · Dec 43.86913°

Galactic ℓ, b

76.285° · 12.105°

Ecliptic λ, β

309.271° · 64.285°

HTM-20 index

-557661749

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