Key parameters at a glance

A radius of 2.36 Earth radii
A mass of 6.17 Earth masses
Surface gravity around 1.11 g
An orbital period of 44.617 days
Semi-major axis 0.2641 AU
Equilibrium temperature 693 K (420 °C)
Distance from Earth 4,419.48 light-years
Earth Similarity Index 0.374
Travel time at Voyager 1 speed 77,937,508 years

Kepler-1345 b Planet Profile

Physical Specs

Radius

2.36 R⊕

Radius (Jupiter)

0.211 R♃

Mass

6.17 M⊕

Mass (Jupiter)

0.019 M♃

Density

2.58 g/cm³

Surface Gravity

1.11 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.374

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

#1395of 1978

top 70.5%

This planet

2.36R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1022 b 2.36 R⊕ Kepler-482 b 2.36 R⊕ Kepler-184 b 2.36 R⊕

Metric	Earth	Kepler-1345 b	Jupiter
Radius (R⊕)	1.00	2.36	11.21
Mass (M⊕)	1.00	6.17	317.83
Density (g/cm³)	5.51	2.58	1.33
Surface Gravity (g)	1.00	1.11	2.53
Insolation (S⊕)	1.00	68.47	0.037

Star Catalogue Identifiers

TIC

TIC 63288941

Gaia DR2

Gaia DR2 2126749714860677632

Gaia DR3

Gaia DR3 2126749714860677632

System

Kepler-1345

Percentile among Sub-Neptune cohort

Radius 2.360 R⊕ · percentile 29 / cohort 1978

Mass 6.170 M⊕ · percentile 28 / cohort 1978

Orbital period 44.62 d · percentile 83 / cohort 1946

Distance 1,355.02 pc · percentile 90 / cohort 1975

ESI 0.374 · percentile 47 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

44.617 days

Semi-major axis

0.2641 AU

Eccentricity

0.000

Inclination

88.99 °

Year Length

A year here lasts approximately 44.62 Earth days (12.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2641 AU.

Transit Fingerprint

Depth

0.024 %

Duration

7.632 h

Impact parameter b

0.099

Rp / R★

0.013966

Transit midpoint (BJD)

2,454,997.4448

Photometric dip

Transit produces a flux drop of 240 ppm lasting ≈ 7.63 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013966

Semi-major axis / stellar radius

45.070

Impact parameter (b)

0.099

Transit mid-time (BJD)

2,454,997.4448

Angular separation (arcsec)

0.19500

Eq. Temperature

693K

(420 °C)

Insolation (S⊕)

68.47

Earth = 1.00

Earth Similarity (ESI)

0.374

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-1345

Spectral Class

F-type yellow-white

Effective Temperature

6,449 K — hotter than the Sun (5,778 K)

Estimated Age

2.24 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.550 R☉

Stellar Mass

1.320 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.180 dex

Stellar density

0.230 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,355.02 parsec

Light-years 4,419.48 ly

V-band magnitude

13.78 mag

Voyager-speed travel 77,937,508 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.709 mas

Total Proper Motion

3.274 mas/yr

PM Right Ascension

-1.46 mas/yr

PM Declination

-2.93 mas/yr

Galactic Cartesian (pc)

x = 0.265 · y = -0.642 · z = 0.720

Equatorial (J2000)

RA 292.47794° · Dec 46.02282°

Galactic ℓ, b

78.295° · 12.996°

Ecliptic λ, β

311.274° · 66.271°

HTM-20 index

-835796627