Confirmed Exoplanet Discovered 2016

Kepler-730 b

A gas giant orbiting the g-type yellow (sun-like) Kepler-730, located approximately 6,311.2 light-years from Earth.

Key parameters at a glance

  • A radius of 12.33 Earth radii
  • An orbital period of 6.492 days
  • Semi-major axis 0.0694 AU
  • Equilibrium temperature 1,219 K (946 °C)
  • Distance from Earth 6,311.25 light-years
  • Earth Similarity Index 0.040
  • Travel time at Voyager 1 speed 111,298,871 years

1 sibling around Kepler-730

Kepler-730 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-730 c Super-Earth 1.57 3.09 2.852 1,607 2018
Kepler-730 b this Gas Giant 12.33 6.492 1,219 2016

Kepler-730 b Planet Profile

Physical Specs

Radius
12.33 R⊕
Radius (Jupiter)
1.100 R♃
Mass
M⊕
Mass (Jupiter)
M♃
Density
g/cm³
Surface Gravity
g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.040
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

#1341of 1771

top 75.7%

This planet

12.33R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth Kepler-730 b Jupiter
Radius (R⊕)1.0012.3311.21
Mass (M⊕)1.00317.83
Density (g/cm³)5.511.33
Surface Gravity (g)1.002.53
Insolation (S⊕)1.00418.800.037

Star Catalogue Identifiers

TIC

TIC 352013543

Gaia DR2

Gaia DR2 2106412082639238400

Gaia DR3

Gaia DR3 2106412082639238400

System

Kepler-730

Percentile among Gas Giant cohort

Radius 12.330 R⊕ · percentile 24 / cohort 1771
Orbital period 6.49 d · percentile 40 / cohort 1533
Distance 1,935.04 pc · percentile 90 / cohort 1759
ESI 0.040 · percentile 2 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
6.492 days
Semi-major axis
0.0694 AU
Eccentricity
0.000
Inclination
86.96 °

Year Length

A year here lasts approximately 6.49 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0694 AU.

Transit Fingerprint

Depth

0.716 %

Duration

4.330 h

Impact parameter b

0.561

Rp / R★

0.080130

Transit midpoint (BJD)

2,455,007.6336

Photometric dip

Transit produces a flux drop of 7,163 ppm lasting ≈ 4.33 h.

Extended Orbital Architecture

Planet / star radius ratio

0.080130

Semi-major axis / stellar radius

10.600

Impact parameter (b)

0.561

Transit mid-time (BJD)

2,455,007.6336

Angular separation (arcsec)

0.03590

Eq. Temperature

1,219K

(946 °C)

Insolation (S⊕)

418.80

Earth = 1.00

Earth Similarity (ESI)

0.040

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-730

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,620 K — cooler than the Sun (5,778 K)

Estimated Age

9.50 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.411 R☉

Stellar Mass

1.047 M☉

Metallicity [Fe/H]

0.21

Extended Stellar Properties

Surface gravity (log g)

4.162 dex

Stellar density

0.529 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,935.04 parsec
Light-years 6,311.25 ly
V-band magnitude
15.78 mag
Voyager-speed travel 111,298,871 yr

Multi-band Host Photometry — 16 bands

9.416.616.64B15.78V15.61Gaia15.65Kepler15.14TESS16.13Sloan g15.58Sloan r15.44Sloan i15.44Sloan z14.47J14.18H14.10K14.06W114.17W212.43W39.42W4

Astrometric Data

Parallax

0.487 mas

Total Proper Motion

5.483 mas/yr

PM Right Ascension

-5.28 mas/yr

PM Declination

-1.49 mas/yr

Galactic Cartesian (pc)

x = 0.188 · y = -0.674 · z = 0.714

Equatorial (J2000)

RA 285.55479° · Dec 45.57884°

Galactic ℓ, b

75.874° · 17.240°

Ecliptic λ, β

299.290° · 67.443°

HTM-20 index

-1220281494

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