Key parameters at a glance

A radius of 0.92 Earth radii
A mass of 0.72 Earth masses
Surface gravity around 0.85 g
An orbital period of 7.700 days
Semi-major axis 0.0784 AU
Equilibrium temperature 969 K (696 °C)
Distance from Earth 2,740.13 light-years
Earth Similarity Index 0.327
Travel time at Voyager 1 speed 48,322,152 years

1 sibling around Kepler-1365

Kepler-1365 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-1365 c	Rocky Terrestrial	0.80	0.44	4.775	1,137	2016
Kepler-1365 b this	Rocky Terrestrial	0.92	0.72	7.700	969	2016

Kepler-1365 b Planet Profile

Physical Specs

Radius

0.92 R⊕

Radius (Jupiter)

0.082 R♃

Mass

0.72 M⊕

Mass (Jupiter)

0.002 M♃

Density

5.09 g/cm³

Surface Gravity

0.85 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.327

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

#396of 570

top 69.3%

This planet

0.92R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-779 b 0.92 R⊕ Kepler-1338 b 0.92 R⊕ TRAPPIST-1 e 0.92 R⊕

Metric	Earth	Kepler-1365 b	Jupiter
Radius (R⊕)	1.00	0.92	11.21
Mass (M⊕)	1.00	0.72	317.83
Density (g/cm³)	5.51	5.09	1.33
Surface Gravity (g)	1.00	0.85	2.53
Insolation (S⊕)	1.00	456.25	0.037

Star Catalogue Identifiers

TIC

TIC 63122176

Gaia DR2

Gaia DR2 2125716891183392640

Gaia DR3

Gaia DR3 2125716891183392640

System

Kepler-1365

Percentile among Rocky Terrestrial cohort

Radius 0.920 R⊕ · percentile 29 / cohort 570

Mass 0.721 M⊕ · percentile 26 / cohort 570

Orbital period 7.70 d · percentile 71 / cohort 567

Distance 840.13 pc · percentile 87 / cohort 566

ESI 0.327 · percentile 45 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

7.700 days

Semi-major axis

0.0784 AU

Eccentricity

0.000

Inclination

89.92 °

Year Length

A year here lasts approximately 7.70 Earth days (2.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0784 AU.

Transit Fingerprint

Depth

0.007 %

Duration

4.390 h

Impact parameter b

0.018

Rp / R★

0.007833

Transit midpoint (BJD)

2,454,967.3933

Photometric dip

Transit produces a flux drop of 71 ppm lasting ≈ 4.39 h.

Extended Orbital Architecture

Planet / star radius ratio

0.007833

Semi-major axis / stellar radius

13.380

Impact parameter (b)

0.018

Transit mid-time (BJD)

2,454,967.3933

Angular separation (arcsec)

0.09330

Eq. Temperature

969K

(696 °C)

Insolation (S⊕)

456.25

Earth = 1.00

Earth Similarity (ESI)

0.327

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-1365

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,770 K — cooler than the Sun (5,778 K)

Estimated Age

6.03 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.050 R☉

Stellar Mass

1.000 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

0.260 g/cm³

Metallicity ratio

[Fe/H]

Distance

840.13 parsec

Light-years 2,740.13 ly

V-band magnitude

13.42 mag

Voyager-speed travel 48,322,152 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.162 mas

Total Proper Motion

22.987 mas/yr

PM Right Ascension

-10.55 mas/yr

PM Declination

-20.42 mas/yr

Galactic Cartesian (pc)

x = 0.281 · y = -0.688 · z = 0.670

Equatorial (J2000)

RA 292.19966° · Dec 42.04599°

Galactic ℓ, b

74.551° · 11.427°

Ecliptic λ, β

307.590° · 62.618°

HTM-20 index

-332355371