Key parameters at a glance

A radius of 1.55 Earth radii
A mass of 3.02 Earth masses
Surface gravity around 1.26 g
An orbital period of 0.665 days
Semi-major axis 0.0152 AU
Equilibrium temperature 2,174 K (1901 °C)
Distance from Earth 3,202.13 light-years
Earth Similarity Index 0.120
Travel time at Voyager 1 speed 56,469,579 years

Kepler-1340 b Planet Profile

Physical Specs

Radius

1.55 R⊕

Radius (Jupiter)

0.138 R♃

Mass

3.02 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.46 g/cm³

Surface Gravity

1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.120

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

#652of 1176

top 55.4%

This planet

1.55R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-55 e 1.55 R⊕ Kepler-132 d 1.55 R⊕ Kepler-226 b 1.55 R⊕

Metric	Earth	Kepler-1340 b	Jupiter
Radius (R⊕)	1.00	1.55	11.21
Mass (M⊕)	1.00	3.02	317.83
Density (g/cm³)	5.51	4.46	1.33
Surface Gravity (g)	1.00	1.26	2.53
Insolation (S⊕)	1.00	4,793.00	0.037

Star Catalogue Identifiers

TIC

TIC 272183546

Gaia DR2

Gaia DR2 2077219052496826368

Gaia DR3

Gaia DR3 2077219052496826368

System

Kepler-1340

Percentile among Super-Earth cohort

Radius 1.550 R⊕ · percentile 43 / cohort 1176

Mass 3.020 M⊕ · percentile 39 / cohort 1176

Orbital period 0.67 d · percentile 2 / cohort 1164

Distance 981.78 pc · percentile 80 / cohort 1171

ESI 0.120 · percentile 2 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

0.665 days

Semi-major axis

0.0152 AU

Eccentricity

0.000

Inclination

80.48 °

Year Length

A year here lasts roughly 16 hours long on a nearly circular orbit at a mean orbital distance of 0.0152 AU.

Transit Fingerprint

Depth

0.010 %

Duration

1.738 h

Impact parameter b

0.004

Rp / R★

0.009623

Transit midpoint (BJD)

2,454,964.6577

Photometric dip

Transit produces a flux drop of 105 ppm lasting ≈ 1.74 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009623

Semi-major axis / stellar radius

3.009

Impact parameter (b)

0.004

Transit mid-time (BJD)

2,454,964.6577

Angular separation (arcsec)

0.01550

Eq. Temperature

2,174K

(1901 °C)

Insolation (S⊕)

4,793.00

Earth = 1.00

Earth Similarity (ESI)

0.120

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-1340

Spectral Class

F-type yellow-white

Effective Temperature

6,331 K — hotter than the Sun (5,778 K)

Estimated Age

2.40 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.420 R☉

Stellar Mass

1.270 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.240 dex

Stellar density

1.090 g/cm³

Metallicity ratio

[Fe/H]

Distance

981.78 parsec

Light-years 3,202.13 ly

V-band magnitude

15.00 mag

Voyager-speed travel 56,469,579 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.990 mas

Total Proper Motion

2.601 mas/yr

PM Right Ascension

2.57 mas/yr

PM Declination

0.38 mas/yr

Galactic Cartesian (pc)

x = 0.326 · y = -0.662 · z = 0.675

Equatorial (J2000)

RA 296.23281° · Dec 42.47280°

Galactic ℓ, b

76.338° · 8.979°

Ecliptic λ, β

313.927° · 61.970°

HTM-20 index

1407460813