Key parameters at a glance

A radius of 13.34 Earth radii
An orbital period of 38.479 days
Semi-major axis 0.2213 AU
Equilibrium temperature 484 K (211 °C)
Distance from Earth 1,444.45 light-years
Earth Similarity Index 0.252
Travel time at Voyager 1 speed 25,472,880 years

Kepler-468 b Planet Profile

Physical Specs

Radius

13.34 R⊕

Radius (Jupiter)

1.190 R♃

Mass

— M⊕

Mass (Jupiter)

— M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.252

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

#787of 1771

top 44.4%

This planet

13.34R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

CoRoT-4 b 13.34 R⊕ K2-29 b 13.34 R⊕ TOI-5181 A b 13.35 R⊕

Metric	Earth	Kepler-468 b	Jupiter
Radius (R⊕)	1.00	13.34	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	11.24	0.037

Star Catalogue Identifiers

TIC

TIC 299087490

Gaia DR2

Gaia DR2 2132666633603904256

Gaia DR3

Gaia DR3 2132666633603904256

System

Kepler-468

Percentile among Gas Giant cohort

Radius 13.340 R⊕ · percentile 56 / cohort 1771

Orbital period 38.48 d · percentile 50 / cohort 1533

Distance 442.87 pc · percentile 72 / cohort 1759

ESI 0.252 · percentile 45 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

38.479 days

Semi-major axis

0.2213 AU

Eccentricity

0.000

Inclination

90.00 °

Year Length

A year here lasts approximately 38.48 Earth days (10.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2213 AU.

Transit Fingerprint

Depth

2.353 %

Duration

5.058 h

Impact parameter b

0.015

Rp / R★

0.140030

Transit midpoint (BJD)

2,454,984.8530

Photometric dip

Transit produces a flux drop of 23,530 ppm lasting ≈ 5.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.140030

Semi-major axis / stellar radius

66.247

Impact parameter (b)

0.015

Transit mid-time (BJD)

2,454,984.8530

Angular separation (arcsec)

0.50000

Eq. Temperature

484K

(211 °C)

Insolation (S⊕)

11.24

Earth = 1.00

Earth Similarity (ESI)

0.252

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

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-468

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,498 K — cooler than the Sun (5,778 K)

Estimated Age

2.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.870 R☉

Stellar Mass

0.960 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

3.715 g/cm³

Metallicity ratio

[Fe/H]

Distance

442.87 parsec

Light-years 1,444.45 ly

V-band magnitude

13.85 mag

Voyager-speed travel 25,472,880 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.229 mas

Total Proper Motion

18.458 mas/yr

PM Right Ascension

3.71 mas/yr

PM Declination

-18.08 mas/yr

Galactic Cartesian (pc)

x = 0.211 · y = -0.616 · z = 0.759

Equatorial (J2000)

RA 288.90228° · Dec 49.37041°

Galactic ℓ, b

80.433° · 16.562°

Ecliptic λ, β

308.694° · 70.281°

HTM-20 index

643458488