Key parameters at a glance

A radius of 2.43 Earth radii
A mass of 6.48 Earth masses
Surface gravity around 1.10 g
An orbital period of 27.666 days
Semi-major axis 0.1754 AU
Equilibrium temperature 641 K (368 °C)
Distance from Earth 3,510.35 light-years
Earth Similarity Index 0.399
Travel time at Voyager 1 speed 61,905,050 years

Kepler-765 b Planet Profile

Physical Specs

Radius

2.43 R⊕

Radius (Jupiter)

0.217 R♃

Mass

6.48 M⊕

Mass (Jupiter)

0.020 M♃

Density

2.48 g/cm³

Surface Gravity

1.10 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.399

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

#1281of 1978

top 64.7%

This planet

2.43R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-233 b 2.43 R⊕ Kepler-55 b 2.43 R⊕ TOI-4184 b 2.43 R⊕

Metric	Earth	Kepler-765 b	Jupiter
Radius (R⊕)	1.00	2.43	11.21
Mass (M⊕)	1.00	6.48	317.83
Density (g/cm³)	5.51	2.48	1.33
Surface Gravity (g)	1.00	1.10	2.53
Insolation (S⊕)	1.00	48.95	0.037

Star Catalogue Identifiers

TIC

TIC 164456891

Gaia DR2

Gaia DR2 2107617903296016768

Gaia DR3

Gaia DR3 2107617903296016768

System

Kepler-765

Percentile among Sub-Neptune cohort

Radius 2.430 R⊕ · percentile 35 / cohort 1978

Mass 6.480 M⊕ · percentile 33 / cohort 1978

Orbital period 27.67 d · percentile 71 / cohort 1946

Distance 1,076.28 pc · percentile 82 / cohort 1975

ESI 0.399 · percentile 52 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

27.666 days

Semi-major axis

0.1754 AU

Eccentricity

0.000

Inclination

89.99 °

Year Length

A year here lasts approximately 27.67 Earth days (7.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1754 AU.

Transit Fingerprint

Depth

0.047 %

Duration

6.508 h

Impact parameter b

0.510

Rp / R★

0.020660

Transit midpoint (BJD)

2,454,977.8643

Photometric dip

Transit produces a flux drop of 469 ppm lasting ≈ 6.51 h.

Extended Orbital Architecture

Planet / star radius ratio

0.020660

Semi-major axis / stellar radius

32.900

Impact parameter (b)

0.510

Transit mid-time (BJD)

2,454,977.8643

Angular separation (arcsec)

0.16300

Eq. Temperature

641K

(368 °C)

Insolation (S⊕)

48.95

Earth = 1.00

Earth Similarity (ESI)

0.399

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

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-765

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,901 K — hotter than the Sun (5,778 K)

Estimated Age

3.72 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.060 R☉

Stellar Mass

1.050 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.410 dex

Stellar density

0.849 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,076.28 parsec

Light-years 3,510.35 ly

V-band magnitude

14.71 mag

Voyager-speed travel 61,905,050 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.900 mas

Total Proper Motion

13.705 mas/yr

PM Right Ascension

-7.11 mas/yr

PM Declination

11.72 mas/yr

Galactic Cartesian (pc)

x = 0.155 · y = -0.662 · z = 0.733

Equatorial (J2000)

RA 283.18460° · Dec 47.15571°

Galactic ℓ, b

76.829° · 19.323°

Ecliptic λ, β

296.154° · 69.401°

HTM-20 index

1395939823