Key parameters at a glance

A radius of 1.90 Earth radii
A mass of 4.27 Earth masses
Surface gravity around 1.18 g
An orbital period of 66.373 days
Semi-major axis 0.3237 AU
Equilibrium temperature 471 K (198 °C)
Distance from Earth 7,000.06 light-years
Earth Similarity Index 0.578
Travel time at Voyager 1 speed 123,446,015 years

Kepler-1596 b Planet Profile

Physical Specs

Radius

1.90 R⊕

Radius (Jupiter)

0.170 R♃

Mass

4.27 M⊕

Mass (Jupiter)

0.013 M♃

Density

3.42 g/cm³

Surface Gravity

1.18 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.578

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

#125of 1176

top 10.5%

This planet

1.90R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-158 c 1.90 R⊕ Kepler-349 b 1.90 R⊕ Kepler-196 b 1.90 R⊕

Metric	Earth	Kepler-1596 b	Jupiter
Radius (R⊕)	1.00	1.90	11.21
Mass (M⊕)	1.00	4.27	317.83
Density (g/cm³)	5.51	3.42	1.33
Surface Gravity (g)	1.00	1.18	2.53
Insolation (S⊕)	1.00	33.38	0.037

Star Catalogue Identifiers

TIC

TIC 350813882

Gaia DR2

Gaia DR2 2132009744125068416

Gaia DR3

Gaia DR3 2132009744125068416

System

Kepler-1596

Percentile among Super-Earth cohort

Radius 1.900 R⊕ · percentile 88 / cohort 1176

Mass 4.270 M⊕ · percentile 81 / cohort 1176

Orbital period 66.37 d · percentile 97 / cohort 1164

Distance 2,146.23 pc · percentile 98 / cohort 1171

ESI 0.578 · percentile 80 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

66.373 days

Semi-major axis

0.3237 AU

Eccentricity

0.000

Inclination

89.98 °

Year Length

A year here lasts approximately 66.37 Earth days (18.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3237 AU.

Transit Fingerprint

Depth

0.042 %

Duration

11.181 h

Impact parameter b

0.001

Rp / R★

0.018938

Transit midpoint (BJD)

2,455,007.0161

Photometric dip

Transit produces a flux drop of 415 ppm lasting ≈ 11.18 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018938

Semi-major axis / stellar radius

46.210

Impact parameter (b)

0.001

Transit mid-time (BJD)

2,455,007.0161

Angular separation (arcsec)

0.15100

Eq. Temperature

471K

(198 °C)

Insolation (S⊕)

33.38

Earth = 1.00

Earth Similarity (ESI)

0.578

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-1596

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,706 K — cooler than the Sun (5,778 K)

Estimated Age

3.89 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.920 R☉

Stellar Mass

0.950 M☉

Metallicity [Fe/H]

-0.11

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

0.424 g/cm³

Metallicity ratio

[Fe/H]

Distance

2,146.23 parsec

Light-years 7,000.06 ly

V-band magnitude

15.63 mag

Voyager-speed travel 123,446,015 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.436 mas

Total Proper Motion

3.208 mas/yr

PM Right Ascension

-1.78 mas/yr

PM Declination

2.67 mas/yr

Galactic Cartesian (pc)

x = 0.175 · y = -0.628 · z = 0.758

Equatorial (J2000)

RA 285.55751° · Dec 49.33009°

Galactic ℓ, b

79.558° · 18.575°

Ecliptic λ, β

302.501° · 71.018°

HTM-20 index

-358292314