Key parameters at a glance

A radius of 2.32 Earth radii
A mass of 5.99 Earth masses
Surface gravity around 1.11 g
An orbital period of 8.309 days
Semi-major axis 0.0747 AU
Equilibrium temperature 747 K (474 °C)
Distance from Earth 1,974.14 light-years
Earth Similarity Index 0.349
Travel time at Voyager 1 speed 34,813,912 years

Kepler-496 b Planet Profile

Physical Specs

Radius

2.32 R⊕

Radius (Jupiter)

0.207 R♃

Mass

5.99 M⊕

Mass (Jupiter)

0.019 M♃

Density

2.64 g/cm³

Surface Gravity

1.11 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.349

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

#1469of 1978

top 74.2%

This planet

2.32R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-321 c 2.32 R⊕ K2-28 b 2.32 R⊕ Kepler-1208 b 2.32 R⊕

Metric	Earth	Kepler-496 b	Jupiter
Radius (R⊕)	1.00	2.32	11.21
Mass (M⊕)	1.00	5.99	317.83
Density (g/cm³)	5.51	2.64	1.33
Surface Gravity (g)	1.00	1.11	2.53
Insolation (S⊕)	1.00	62.93	0.037

Star Catalogue Identifiers

TIC

TIC 137341066

Gaia DR2

Gaia DR2 2101650647537529088

Gaia DR3

Gaia DR3 2101650647537529088

System

Kepler-496

Percentile among Sub-Neptune cohort

Radius 2.320 R⊕ · percentile 25 / cohort 1978

Mass 5.990 M⊕ · percentile 24 / cohort 1978

Orbital period 8.31 d · percentile 27 / cohort 1946

Distance 605.27 pc · percentile 53 / cohort 1975

ESI 0.349 · percentile 41 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

8.309 days

Semi-major axis

0.0747 AU

Eccentricity

0.000

Inclination

88.99 °

Year Length

A year here lasts approximately 8.31 Earth days (2.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0747 AU.

Transit Fingerprint

Depth

0.084 %

Duration

3.221 h

Impact parameter b

0.099

Rp / R★

0.026368

Transit midpoint (BJD)

2,454,971.1089

Photometric dip

Transit produces a flux drop of 836 ppm lasting ≈ 3.22 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026368

Semi-major axis / stellar radius

20.140

Impact parameter (b)

0.099

Transit mid-time (BJD)

2,454,971.1089

Angular separation (arcsec)

0.12300

Eq. Temperature

747K

(474 °C)

Insolation (S⊕)

62.93

Earth = 1.00

Earth Similarity (ESI)

0.349

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

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-496

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,293 K — cooler than the Sun (5,778 K)

Estimated Age

4.57 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.820 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

2.238 g/cm³

Metallicity ratio

[Fe/H]

Distance

605.27 parsec

Light-years 1,974.14 ly

V-band magnitude

15.11 mag

Voyager-speed travel 34,813,912 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.624 mas

Total Proper Motion

16.629 mas/yr

PM Right Ascension

2.59 mas/yr

PM Declination

16.43 mas/yr

Galactic Cartesian (pc)

x = 0.277 · y = -0.699 · z = 0.659

Equatorial (J2000)

RA 291.64090° · Dec 41.24110°

Galactic ℓ, b

73.626° · 11.445°

Ecliptic λ, β

306.186° · 61.988°

HTM-20 index

-504018305