Key parameters at a glance

A radius of 2.22 Earth radii
A mass of 5.56 Earth masses
Surface gravity around 1.13 g
An orbital period of 64.659 days
Semi-major axis 0.3211 AU
Equilibrium temperature 535 K (262 °C)
Distance from Earth 4,265.01 light-years
Earth Similarity Index 0.488
Travel time at Voyager 1 speed 75,213,474 years

Kepler-1496 b Planet Profile

Physical Specs

Radius

2.22 R⊕

Radius (Jupiter)

0.198 R♃

Mass

5.56 M⊕

Mass (Jupiter)

0.018 M♃

Density

2.79 g/cm³

Surface Gravity

1.13 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.488

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

#1642of 1978

top 83.0%

This planet

2.22R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1151 b 2.22 R⊕ KMT-2018-BLG-1988L b 2.22 R⊕ Kepler-938 b 2.22 R⊕

Metric	Earth	Kepler-1496 b	Jupiter
Radius (R⊕)	1.00	2.22	11.21
Mass (M⊕)	1.00	5.56	317.83
Density (g/cm³)	5.51	2.79	1.33
Surface Gravity (g)	1.00	1.13	2.53
Insolation (S⊕)	1.00	18.38	0.037

Star Catalogue Identifiers

TIC

TIC 270787590

Gaia DR2

Gaia DR2 2127964572129949056

Gaia DR3

Gaia DR3 2127964572129949056

System

Kepler-1496

Percentile among Sub-Neptune cohort

Radius 2.220 R⊕ · percentile 17 / cohort 1978

Mass 5.560 M⊕ · percentile 17 / cohort 1978

Orbital period 64.66 d · percentile 90 / cohort 1946

Distance 1,307.66 pc · percentile 89 / cohort 1975

ESI 0.488 · percentile 69 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

64.659 days

Semi-major axis

0.3211 AU

Eccentricity

0.000

Inclination

89.93 °

Year Length

A year here lasts approximately 64.66 Earth days (17.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3211 AU.

Transit Fingerprint

Depth

0.024 %

Duration

7.549 h

Impact parameter b

0.133

Rp / R★

0.015849

Transit midpoint (BJD)

2,455,003.1783

Photometric dip

Transit produces a flux drop of 235 ppm lasting ≈ 7.55 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015849

Semi-major axis / stellar radius

64.750

Impact parameter (b)

0.133

Transit mid-time (BJD)

2,455,003.1783

Angular separation (arcsec)

0.24600

Eq. Temperature

535K

(262 °C)

Insolation (S⊕)

18.38

Earth = 1.00

Earth Similarity (ESI)

0.488

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-1496

Spectral Class

F-type yellow-white

Effective Temperature

6,182 K — hotter than the Sun (5,778 K)

Estimated Age

2.95 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.270 R☉

Stellar Mass

1.180 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.290 dex

Stellar density

1.228 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,307.66 parsec

Light-years 4,265.01 ly

V-band magnitude

14.83 mag

Voyager-speed travel 75,213,474 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.736 mas

Total Proper Motion

1.578 mas/yr

PM Right Ascension

1.38 mas/yr

PM Declination

0.76 mas/yr

Galactic Cartesian (pc)

x = 0.286 · y = -0.642 · z = 0.711

Equatorial (J2000)

RA 293.97394° · Dec 45.35072°

Galactic ℓ, b

78.153° · 11.761°

Ecliptic λ, β

313.001° · 65.250°

HTM-20 index

-1714166295