Key parameters at a glance

A radius of 1.64 Earth radii
A mass of 3.33 Earth masses
Surface gravity around 1.24 g
An orbital period of 7.337 days
Semi-major axis 0.0724 AU
Equilibrium temperature 875 K (602 °C)
Distance from Earth 3,417.59 light-years
Earth Similarity Index 0.335
Travel time at Voyager 1 speed 60,269,250 years

Kepler-764 b Planet Profile

Physical Specs

Radius

1.64 R⊕

Radius (Jupiter)

0.146 R♃

Mass

3.33 M⊕

Mass (Jupiter)

0.011 M♃

Density

4.15 g/cm³

Surface Gravity

1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.335

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

#495of 1176

top 42.0%

This planet

1.64R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-46 d 1.64 R⊕ Kepler-179 b 1.64 R⊕ Kepler-247 b 1.64 R⊕

Metric	Earth	Kepler-764 b	Jupiter
Radius (R⊕)	1.00	1.64	11.21
Mass (M⊕)	1.00	3.33	317.83
Density (g/cm³)	5.51	4.15	1.33
Surface Gravity (g)	1.00	1.24	2.53
Insolation (S⊕)	1.00	160.46	0.037

Star Catalogue Identifiers

TIC

TIC 273129679

Gaia DR2

Gaia DR2 2086366370762352640

Gaia DR3

Gaia DR3 2086366370762352640

System

Kepler-764

Percentile among Super-Earth cohort

Radius 1.640 R⊕ · percentile 56 / cohort 1176

Mass 3.330 M⊕ · percentile 51 / cohort 1176

Orbital period 7.34 d · percentile 54 / cohort 1164

Distance 1,047.84 pc · percentile 83 / cohort 1171

ESI 0.335 · percentile 47 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

7.337 days

Semi-major axis

0.0724 AU

Eccentricity

0.000

Inclination

89.93 °

Year Length

A year here lasts approximately 7.34 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0724 AU.

Transit Fingerprint

Depth

0.033 %

Duration

3.512 h

Impact parameter b

0.018

Rp / R★

0.017186

Transit midpoint (BJD)

2,454,971.5827

Photometric dip

Transit produces a flux drop of 326 ppm lasting ≈ 3.51 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017186

Semi-major axis / stellar radius

16.220

Impact parameter (b)

0.018

Transit mid-time (BJD)

2,454,971.5827

Angular separation (arcsec)

0.06910

Eq. Temperature

875K

(602 °C)

Insolation (S⊕)

160.46

Earth = 1.00

Earth Similarity (ESI)

0.335

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-764

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,557 K — cooler than the Sun (5,778 K)

Estimated Age

4.17 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.890 R☉

Stellar Mass

0.920 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.510 dex

Stellar density

1.457 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,047.84 parsec

Light-years 3,417.59 ly

V-band magnitude

15.56 mag

Voyager-speed travel 60,269,250 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.926 mas

Total Proper Motion

8.013 mas/yr

PM Right Ascension

-6.37 mas/yr

PM Declination

-4.86 mas/yr

Galactic Cartesian (pc)

x = 0.313 · y = -0.604 · z = 0.733

Equatorial (J2000)

RA 297.39312° · Dec 47.16458°

Galactic ℓ, b

80.912° · 10.517°

Ecliptic λ, β

320.032° · 65.912°

HTM-20 index

1328166350