Key parameters at a glance

A radius of 2.81 Earth radii
A mass of 8.30 Earth masses
Surface gravity around 1.05 g
An orbital period of 42.300 days
Semi-major axis 0.2415 AU
Equilibrium temperature 558 K (285 °C)
Distance from Earth 3,502.52 light-years
Earth Similarity Index 0.430
Travel time at Voyager 1 speed 61,767,008 years

Kepler-1113 b Planet Profile

Physical Specs

Radius

2.81 R⊕

Radius (Jupiter)

0.251 R♃

Mass

8.30 M⊕

Mass (Jupiter)

0.026 M♃

Density

2.06 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.430

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

#732of 1978

top 37.0%

This planet

2.81R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-752 b 2.81 R⊕ Kepler-1234 b 2.81 R⊕ Kepler-892 b 2.81 R⊕

Metric	Earth	Kepler-1113 b	Jupiter
Radius (R⊕)	1.00	2.81	11.21
Mass (M⊕)	1.00	8.30	317.83
Density (g/cm³)	5.51	2.06	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	22.85	0.037

Star Catalogue Identifiers

TIC

TIC 122062725

Gaia DR2

Gaia DR2 2101006883479557504

Gaia DR3

Gaia DR3 2101006883479557504

System

Kepler-1113

Percentile among Sub-Neptune cohort

Radius 2.810 R⊕ · percentile 63 / cohort 1978

Mass 8.300 M⊕ · percentile 57 / cohort 1978

Orbital period 42.30 d · percentile 82 / cohort 1946

Distance 1,073.88 pc · percentile 82 / cohort 1975

ESI 0.430 · percentile 58 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

42.300 days

Semi-major axis

0.2415 AU

Eccentricity

0.000

Inclination

89.79 °

Year Length

A year here lasts approximately 42.30 Earth days (11.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2415 AU.

Transit Fingerprint

Depth

0.051 %

Duration

4.398 h

Impact parameter b

0.168

Rp / R★

0.021767

Transit midpoint (BJD)

2,455,001.7788

Photometric dip

Transit produces a flux drop of 508 ppm lasting ≈ 4.40 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021767

Semi-major axis / stellar radius

74.070

Impact parameter (b)

0.168

Transit mid-time (BJD)

2,455,001.7788

Angular separation (arcsec)

0.22500

Eq. Temperature

558K

(285 °C)

Insolation (S⊕)

22.85

Earth = 1.00

Earth Similarity (ESI)

0.430

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-1113

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,931 K — hotter than the Sun (5,778 K)

Estimated Age

3.55 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.170 R☉

Stellar Mass

1.120 M☉

Metallicity [Fe/H]

0.18

Extended Stellar Properties

Surface gravity (log g)

4.350 dex

Stellar density

4.296 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,073.88 parsec

Light-years 3,502.52 ly

V-band magnitude

14.94 mag

Voyager-speed travel 61,767,008 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

0.903 mas

Total Proper Motion

3.598 mas/yr

PM Right Ascension

-2.35 mas/yr

PM Declination

-2.72 mas/yr

Galactic Cartesian (pc)

x = 0.257 · y = -0.729 · z = 0.634

Equatorial (J2000)

RA 289.40670° · Dec 39.33881°

Galactic ℓ, b

71.120° · 12.156°

Ecliptic λ, β

301.633° · 60.664°

HTM-20 index

-904330275