Key parameters at a glance

A radius of 6.14 Earth radii
A mass of 31.30 Earth masses
Surface gravity around 0.83 g
An orbital period of 4.190 days
Semi-major axis 0.0535 AU
Equilibrium temperature 1,234 K (961 °C)
Distance from Earth 4,619.80 light-years
Earth Similarity Index 0.134
Travel time at Voyager 1 speed 81,470,240 years

Kepler-696 b Planet Profile

Physical Specs

Radius

6.14 R⊕

Radius (Jupiter)

0.548 R♃

Mass

31.30 M⊕

Mass (Jupiter)

0.098 M♃

Density

0.74 g/cm³

Surface Gravity

0.83 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.134

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

#270of 574

top 46.9%

This planet

6.14R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

Kepler-87 c 6.14 R⊕ Kepler-450 b 6.14 R⊕ HD 85390 b 6.16 R⊕

Metric	Earth	Kepler-696 b	Jupiter
Radius (R⊕)	1.00	6.14	11.21
Mass (M⊕)	1.00	31.30	317.83
Density (g/cm³)	5.51	0.74	1.33
Surface Gravity (g)	1.00	0.83	2.53
Insolation (S⊕)	1.00	607.53	0.037

Star Catalogue Identifiers

TIC

TIC 138219428

Gaia DR2

Gaia DR2 2077383670001955968

Gaia DR3

Gaia DR3 2077383670001955968

System

Kepler-696

Percentile among Neptune-like cohort

Radius 6.140 R⊕ · percentile 53 / cohort 574

Mass 31.300 M⊕ · percentile 52 / cohort 574

Orbital period 4.19 d · percentile 14 / cohort 524

Distance 1,416.44 pc · percentile 82 / cohort 572

ESI 0.134 · percentile 8 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

4.190 days

Semi-major axis

0.0535 AU

Eccentricity

0.000

Inclination

87.52 °

Year Length

A year here lasts approximately 4.19 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0535 AU.

Transit Fingerprint

Depth

0.288 %

Duration

2.840 h

Impact parameter b

0.689

Rp / R★

0.051568

Transit midpoint (BJD)

2,455,004.4412

Photometric dip

Transit produces a flux drop of 2,877 ppm lasting ≈ 2.84 h.

Extended Orbital Architecture

Planet / star radius ratio

0.051568

Semi-major axis / stellar radius

11.629

Impact parameter (b)

0.689

Transit mid-time (BJD)

2,455,004.4412

Angular separation (arcsec)

0.03780

Eq. Temperature

1,234K

(961 °C)

Insolation (S⊕)

607.53

Earth = 1.00

Earth Similarity (ESI)

0.134

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-696

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,903 K — hotter than the Sun (5,778 K)

Estimated Age

3.98 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.080 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

1.694 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,416.44 parsec

Light-years 4,619.80 ly

V-band magnitude

15.31 mag

Voyager-speed travel 81,470,240 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.678 mas

Total Proper Motion

8.804 mas/yr

PM Right Ascension

-2.51 mas/yr

PM Declination

-8.44 mas/yr

Galactic Cartesian (pc)

x = 0.300 · y = -0.691 · z = 0.658

Equatorial (J2000)

RA 293.49659° · Dec 41.13756°

Galactic ℓ, b

74.171° · 10.152°

Ecliptic λ, β

308.905° · 61.441°

HTM-20 index

1891204148