Key parameters at a glance

A radius of 2.12 Earth radii
A mass of 5.14 Earth masses
Surface gravity around 1.14 g
An orbital period of 13.523 days
Semi-major axis 0.1073 AU
Equilibrium temperature 652 K (379 °C)
Distance from Earth 1,482.79 light-years
Earth Similarity Index 0.413
Travel time at Voyager 1 speed 26,149,000 years

Kepler-964 b Planet Profile

Physical Specs

Radius

2.12 R⊕

Radius (Jupiter)

0.189 R♃

Mass

5.14 M⊕

Mass (Jupiter)

0.016 M♃

Density

2.96 g/cm³

Surface Gravity

1.14 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.413

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

#1782of 1978

top 90.0%

This planet

2.12R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-161 b 2.12 R⊕ Kepler-158 b 2.12 R⊕ HD 97658 b 2.12 R⊕

Metric	Earth	Kepler-964 b	Jupiter
Radius (R⊕)	1.00	2.12	11.21
Mass (M⊕)	1.00	5.14	317.83
Density (g/cm³)	5.51	2.96	1.33
Surface Gravity (g)	1.00	1.14	2.53
Insolation (S⊕)	1.00	43.92	0.037

Star Catalogue Identifiers

TIC

TIC 139155506

Gaia DR2

Gaia DR2 2076589960045421184

Gaia DR3

Gaia DR3 2076589960045421184

System

Kepler-964

Percentile among Sub-Neptune cohort

Radius 2.120 R⊕ · percentile 9 / cohort 1978

Mass 5.140 M⊕ · percentile 10 / cohort 1978

Orbital period 13.52 d · percentile 46 / cohort 1946

Distance 454.63 pc · percentile 45 / cohort 1975

ESI 0.413 · percentile 55 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

13.523 days

Semi-major axis

0.1073 AU

Eccentricity

0.000

Inclination

89.52 °

Year Length

A year here lasts approximately 13.52 Earth days (3.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1073 AU.

Transit Fingerprint

Depth

0.067 %

Duration

3.893 h

Impact parameter b

0.800

Rp / R★

0.023397

Transit midpoint (BJD)

2,454,975.1813

Photometric dip

Transit produces a flux drop of 670 ppm lasting ≈ 3.89 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023397

Semi-major axis / stellar radius

27.000

Impact parameter (b)

0.800

Transit mid-time (BJD)

2,454,975.1813

Angular separation (arcsec)

0.23600

Eq. Temperature

652K

(379 °C)

Insolation (S⊕)

43.92

Earth = 1.00

Earth Similarity (ESI)

0.413

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-964

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,427 K — cooler than the Sun (5,778 K)

Estimated Age

1.91 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.930 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.660 g/cm³

Metallicity ratio

[Fe/H]

Distance

454.63 parsec

Light-years 1,482.79 ly

V-band magnitude

14.06 mag

Voyager-speed travel 26,149,000 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.171 mas

Total Proper Motion

0.900 mas/yr

PM Right Ascension

0.08 mas/yr

PM Declination

-0.90 mas/yr

Galactic Cartesian (pc)

x = 0.325 · y = -0.687 · z = 0.650

Equatorial (J2000)

RA 295.30007° · Dec 40.55658°

Galactic ℓ, b

74.297° · 8.674°

Ecliptic λ, β

311.144° · 60.432°

HTM-20 index

-1503674176