Key parameters at a glance

A radius of 1.65 Earth radii
A mass of 3.36 Earth masses
Surface gravity around 1.23 g
An orbital period of 0.676 days
Semi-major axis 0.0153 AU
Equilibrium temperature 2,085 K (1812 °C)
Distance from Earth 5,335.33 light-years
Earth Similarity Index 0.124
Travel time at Voyager 1 speed 94,088,453 years

Kepler-1368 b Planet Profile

Physical Specs

Radius

1.65 R⊕

Radius (Jupiter)

0.147 R♃

Mass

3.36 M⊕

Mass (Jupiter)

0.011 M♃

Density

4.11 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.124

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

#485of 1176

top 41.2%

This planet

1.65R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-400 b 1.65 R⊕ K2-343 b 1.65 R⊕ Kepler-360 b 1.65 R⊕

Metric	Earth	Kepler-1368 b	Jupiter
Radius (R⊕)	1.00	1.65	11.21
Mass (M⊕)	1.00	3.36	317.83
Density (g/cm³)	5.51	4.11	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	4,849.26	0.037

Star Catalogue Identifiers

TIC

TIC 378159769

Gaia DR2

Gaia DR2 2077479121354236160

Gaia DR3

Gaia DR3 2077479121354236160

System

Kepler-1368

Percentile among Super-Earth cohort

Radius 1.650 R⊕ · percentile 58 / cohort 1176

Mass 3.360 M⊕ · percentile 52 / cohort 1176

Orbital period 0.68 d · percentile 3 / cohort 1164

Distance 1,635.82 pc · percentile 96 / cohort 1171

ESI 0.124 · percentile 2 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

0.676 days

Semi-major axis

0.0153 AU

Eccentricity

0.000

Inclination

89.41 °

Year Length

A year here lasts roughly 16.2 hours long on a nearly circular orbit at a mean orbital distance of 0.0153 AU.

Transit Fingerprint

Depth

0.020 %

Duration

1.904 h

Impact parameter b

0.372

Rp / R★

0.013696

Transit midpoint (BJD)

2,454,964.6816

Photometric dip

Transit produces a flux drop of 201 ppm lasting ≈ 1.90 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013696

Semi-major axis / stellar radius

2.923

Impact parameter (b)

0.372

Transit mid-time (BJD)

2,454,964.6816

Angular separation (arcsec)

0.00935

Eq. Temperature

2,085K

(1812 °C)

Insolation (S⊕)

4,849.26

Earth = 1.00

Earth Similarity (ESI)

0.124

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-1368

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,906 K — hotter than the Sun (5,778 K)

Estimated Age

3.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.080 R☉

Stellar Mass

1.070 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.400 dex

Stellar density

0.764 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,635.82 parsec

Light-years 5,335.33 ly

V-band magnitude

15.91 mag

Voyager-speed travel 94,088,453 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.586 mas

Total Proper Motion

3.858 mas/yr

PM Right Ascension

0.08 mas/yr

PM Declination

-3.86 mas/yr

Galactic Cartesian (pc)

x = 0.313 · y = -0.679 · z = 0.665

Equatorial (J2000)

RA 294.76698° · Dec 41.64464°

Galactic ℓ, b

75.076° · 9.543°

Ecliptic λ, β

311.147° · 61.592°

HTM-20 index

1374313445