Key parameters at a glance

A radius of 3.02 Earth radii
A mass of 9.38 Earth masses
Surface gravity around 1.03 g
An orbital period of 14.363 days
Semi-major axis 0.1239 AU
Equilibrium temperature 918 K (645 °C)
Distance from Earth 5,450.98 light-years
Earth Similarity Index 0.254
Travel time at Voyager 1 speed 96,128,027 years

Kepler-1112 b Planet Profile

Physical Specs

Radius

3.02 R⊕

Radius (Jupiter)

0.269 R♃

Mass

9.38 M⊕

Mass (Jupiter)

0.030 M♃

Density

1.87 g/cm³

Surface Gravity

1.03 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.254

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

#502of 1978

top 25.3%

This planet

3.02R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1550 b 3.02 R⊕ Kepler-248 b 3.02 R⊕ TOI-4010 b 3.02 R⊕

Metric	Earth	Kepler-1112 b	Jupiter
Radius (R⊕)	1.00	3.02	11.21
Mass (M⊕)	1.00	9.38	317.83
Density (g/cm³)	5.51	1.87	1.33
Surface Gravity (g)	1.00	1.03	2.53
Insolation (S⊕)	1.00	254.96	0.037

Star Catalogue Identifiers

TIC

TIC 272841734

Gaia DR2

Gaia DR2 2086586273085111808

Gaia DR3

Gaia DR3 2086586273085111808

System

Kepler-1112

Percentile among Sub-Neptune cohort

Radius 3.020 R⊕ · percentile 74 / cohort 1978

Mass 9.380 M⊕ · percentile 68 / cohort 1978

Orbital period 14.36 d · percentile 49 / cohort 1946

Distance 1,671.28 pc · percentile 95 / cohort 1975

ESI 0.254 · percentile 17 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

14.363 days

Semi-major axis

0.1239 AU

Eccentricity

0.000

Inclination

89.34 °

Year Length

A year here lasts approximately 14.36 Earth days (3.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1239 AU.

Transit Fingerprint

Depth

0.038 %

Duration

4.626 h

Impact parameter b

0.798

Rp / R★

0.018112

Transit midpoint (BJD)

2,454,974.4363

Photometric dip

Transit produces a flux drop of 378 ppm lasting ≈ 4.63 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018112

Semi-major axis / stellar radius

14.000

Impact parameter (b)

0.798

Transit mid-time (BJD)

2,454,974.4363

Angular separation (arcsec)

0.07410

Eq. Temperature

918K

(645 °C)

Insolation (S⊕)

254.96

Earth = 1.00

Earth Similarity (ESI)

0.254

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-1112

Spectral Class

F-type yellow-white

Effective Temperature

6,496 K — hotter than the Sun (5,778 K)

Estimated Age

2.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.540 R☉

Stellar Mass

1.340 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

1.114 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,671.28 parsec

Light-years 5,450.98 ly

V-band magnitude

14.74 mag

Voyager-speed travel 96,128,027 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.570 mas

Total Proper Motion

0.553 mas/yr

PM Right Ascension

0.19 mas/yr

PM Declination

-0.52 mas/yr

Galactic Cartesian (pc)

x = 0.305 · y = -0.599 · z = 0.740

Equatorial (J2000)

RA 296.96879° · Dec 47.75148°

Galactic ℓ, b

81.297° · 11.050°

Ecliptic λ, β

320.053° · 66.565°

HTM-20 index

1257215207