Key parameters at a glance

A radius of 12.19 Earth radii
An orbital period of 4.082 days
Semi-major axis 0.0479 AU
Equilibrium temperature 1,016 K (743 °C)
Distance from Earth 3,495.74 light-years
Earth Similarity Index 0.060
Travel time at Voyager 1 speed 61,647,372 years

Kepler-723 b Planet Profile

Physical Specs

Radius

12.19 R⊕

Radius (Jupiter)

1.088 R♃

Mass

— M⊕

Mass (Jupiter)

— M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.060

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

#1438of 1771

top 81.1%

This planet

12.19R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TIC 393818343 b 12.18 R⊕ WASP-5 b 12.18 R⊕ FU Tau b 12.20 R⊕

Metric	Earth	Kepler-723 b	Jupiter
Radius (R⊕)	1.00	12.19	11.21
Mass (M⊕)	1.00	—	317.83
Density (g/cm³)	5.51	—	1.33
Surface Gravity (g)	1.00	—	2.53
Insolation (S⊕)	1.00	251.48	0.037

Star Catalogue Identifiers

TIC

TIC 164786087

Gaia DR2

Gaia DR2 2106735064179220480

Gaia DR3

Gaia DR3 2106735064179220480

System

Kepler-723

Percentile among Gas Giant cohort

Radius 12.190 R⊕ · percentile 19 / cohort 1771

Orbital period 4.08 d · percentile 30 / cohort 1533

Distance 1,071.80 pc · percentile 87 / cohort 1759

ESI 0.060 · percentile 9 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

4.082 days

Semi-major axis

0.0479 AU

Eccentricity

0.000

Inclination

89.51 °

Year Length

A year here lasts approximately 4.08 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0479 AU.

Transit Fingerprint

Depth

1.882 %

Duration

3.238 h

Impact parameter b

0.010

Rp / R★

0.124705

Transit midpoint (BJD)

2,455,002.6375

Photometric dip

Transit produces a flux drop of 18,815 ppm lasting ≈ 3.24 h.

Extended Orbital Architecture

Planet / star radius ratio

0.124705

Semi-major axis / stellar radius

10.852

Impact parameter (b)

0.010

Transit mid-time (BJD)

2,455,002.6375

Angular separation (arcsec)

0.04470

Eq. Temperature

1,016K

(743 °C)

Insolation (S⊕)

251.48

Earth = 1.00

Earth Similarity (ESI)

0.060

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

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-723

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,539 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.890 R☉

Stellar Mass

0.920 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.510 dex

Stellar density

1.451 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,071.80 parsec

Light-years 3,495.74 ly

V-band magnitude

15.45 mag

Voyager-speed travel 61,647,372 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.726 mas

Total Proper Motion

11.521 mas/yr

PM Right Ascension

-4.97 mas/yr

PM Declination

-10.39 mas/yr

Galactic Cartesian (pc)

x = 0.182 · y = -0.688 · z = 0.703

Equatorial (J2000)

RA 284.83044° · Dec 44.65809°

Galactic ℓ, b

74.781° · 17.381°

Ecliptic λ, β

297.393° · 66.692°

HTM-20 index

1001398415