Key parameters at a glance

A radius of 1.96 Earth radii
A mass of 4.50 Earth masses
Surface gravity around 1.17 g
An orbital period of 15.141 days
Semi-major axis 0.1189 AU
Equilibrium temperature 714 K (441 °C)
Distance from Earth 3,643.16 light-years
Earth Similarity Index 0.388
Travel time at Voyager 1 speed 64,247,167 years

Kepler-1392 b Planet Profile

Physical Specs

Radius

1.96 R⊕

Radius (Jupiter)

0.175 R♃

Mass

4.50 M⊕

Mass (Jupiter)

0.014 M♃

Density

3.28 g/cm³

Surface Gravity

1.17 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.388

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

#49of 1176

top 4.1%

This planet

1.96R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-174 b 1.96 R⊕ Kepler-792 b 1.96 R⊕ Kepler-118 b 1.96 R⊕

Metric	Earth	Kepler-1392 b	Jupiter
Radius (R⊕)	1.00	1.96	11.21
Mass (M⊕)	1.00	4.50	317.83
Density (g/cm³)	5.51	3.28	1.33
Surface Gravity (g)	1.00	1.17	2.53
Insolation (S⊕)	1.00	61.42	0.037

Star Catalogue Identifiers

TIC

TIC 158837572

Gaia DR2

Gaia DR2 2127382793038824832

Gaia DR3

Gaia DR3 2127382793038824832

System

Kepler-1392

Percentile among Super-Earth cohort

Radius 1.960 R⊕ · percentile 95 / cohort 1176

Mass 4.500 M⊕ · percentile 86 / cohort 1176

Orbital period 15.14 d · percentile 79 / cohort 1164

Distance 1,117.00 pc · percentile 86 / cohort 1171

ESI 0.388 · percentile 58 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

15.141 days

Semi-major axis

0.1189 AU

Eccentricity

0.000

Inclination

89.71 °

Year Length

A year here lasts approximately 15.14 Earth days (4.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1189 AU.

Transit Fingerprint

Depth

0.048 %

Duration

4.276 h

Impact parameter b

0.101

Rp / R★

0.021085

Transit midpoint (BJD)

2,454,976.7386

Photometric dip

Transit produces a flux drop of 477 ppm lasting ≈ 4.28 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021085

Semi-major axis / stellar radius

27.490

Impact parameter (b)

0.101

Transit mid-time (BJD)

2,454,976.7386

Angular separation (arcsec)

0.10600

Eq. Temperature

714K

(441 °C)

Insolation (S⊕)

61.42

Earth = 1.00

Earth Similarity (ESI)

0.388

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-1392

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,479 K — cooler than the Sun (5,778 K)

Estimated Age

4.68 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.850 R☉

Stellar Mass

0.880 M☉

Metallicity [Fe/H]

-0.11

Extended Stellar Properties

Surface gravity (log g)

4.530 dex

Stellar density

1.594 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,117.00 parsec

Light-years 3,643.16 ly

V-band magnitude

15.96 mag

Voyager-speed travel 64,247,167 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.205 mas

Total Proper Motion

1.693 mas/yr

PM Right Ascension

1.69 mas/yr

PM Declination

0.04 mas/yr

Galactic Cartesian (pc)

x = 0.222 · y = -0.653 · z = 0.724

Equatorial (J2000)

RA 288.76698° · Dec 46.39445°

Galactic ℓ, b

77.545° · 15.486°

Ecliptic λ, β

305.494° · 67.535°

HTM-20 index

1702106040