Confirmed Exoplanet Discovered 2016

Kepler-1430 b

A rocky terrestrial orbiting the k-type orange Kepler-1430, located approximately 2,855.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.18 Earth radii
  • A mass of 1.76 Earth masses
  • Surface gravity around 1.26 g
  • An orbital period of 2.461 days
  • Semi-major axis 0.0304 AU
  • Equilibrium temperature 969 K (696 °C)
  • Distance from Earth 2,855.57 light-years
  • Earth Similarity Index 0.324
  • Travel time at Voyager 1 speed 50,357,988 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1430 b Planet Profile

Physical Specs

Radius
1.18 R⊕
Radius (Jupiter)
0.105 R♃
Mass
1.76 M⊕
Mass (Jupiter)
0.006 M♃
Density
5.89 g/cm³
Surface Gravity
1.26 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.324
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

#117of 570

top 20.4%

This planet

1.18R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-1430 b Jupiter
Radius (R⊕)1.001.1811.21
Mass (M⊕)1.001.76317.83
Density (g/cm³)5.515.891.33
Surface Gravity (g)1.001.262.53
Insolation (S⊕)1.00208.540.037

Star Catalogue Identifiers

TIC

TIC 159105397

Gaia DR2

Gaia DR2 2102816404740404224

Gaia DR3

Gaia DR3 2102816404740404224

System

Kepler-1430

Percentile among Rocky Terrestrial cohort

Radius 1.180 R⊕ · percentile 77 / cohort 570
Mass 1.760 M⊕ · percentile 71 / cohort 570
Orbital period 2.46 d · percentile 29 / cohort 567
Distance 875.52 pc · percentile 90 / cohort 566
ESI 0.324 · percentile 45 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
2.461 days
Semi-major axis
0.0304 AU
Eccentricity
0.000
Inclination
89.71 °

Year Length

A year here lasts approximately 2.46 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0304 AU.

Transit Fingerprint

Depth

0.028 %

Duration

2.003 h

Impact parameter b

0.030

Rp / R★

0.014847

Transit midpoint (BJD)

2,454,966.6125

Photometric dip

Transit produces a flux drop of 277 ppm lasting ≈ 2.00 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014847

Semi-major axis / stellar radius

9.680

Impact parameter (b)

0.030

Transit mid-time (BJD)

2,454,966.6125

Angular separation (arcsec)

0.03470

Eq. Temperature

969K

(696 °C)

Insolation (S⊕)

208.54

Earth = 1.00

Earth Similarity (ESI)

0.324

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1430

Spectral Class

K-type orange

Effective Temperature

4,796 K — cooler than the Sun (5,778 K)

Estimated Age

2.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.720 R☉

Stellar Mass

0.770 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.620 dex

Stellar density

2.636 g/cm³

Metallicity ratio

[Fe/H]

Distance
875.52 parsec
Light-years 2,855.57 ly
V-band magnitude
15.57 mag
Voyager-speed travel 50,357,988 yr

Multi-band Host Photometry — 16 bands

9.316.616.61B15.57V15.28Gaia15.25Kepler14.63TESS16.07Sloan g15.23Sloan r14.89Sloan i14.70Sloan z13.55J13.06H12.93K12.87W112.91W212.60W39.29W4

Astrometric Data

Parallax

2.070 mas

Total Proper Motion

28.684 mas/yr

PM Right Ascension

5.38 mas/yr

PM Declination

-28.18 mas/yr

Galactic Cartesian (pc)

x = 0.245 · y = -0.684 · z = 0.687

Equatorial (J2000)

RA 289.69754° · Dec 43.37196°

Galactic ℓ, b

74.967° · 13.657°

Ecliptic λ, β

304.628° · 64.461°

HTM-20 index

1020473949

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