Key parameters at a glance

A radius of 1.32 Earth radii
A mass of 2.30 Earth masses
Surface gravity around 1.32 g
An orbital period of 2.833 days
Semi-major axis 0.0400 AU
Equilibrium temperature 1,453 K (1180 °C)
Distance from Earth 2,616.15 light-years
Earth Similarity Index 0.204
Travel time at Voyager 1 speed 46,135,793 years

Kepler-1193 b Planet Profile

Physical Specs

Radius

1.32 R⊕

Radius (Jupiter)

0.118 R♃

Mass

2.30 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.50 g/cm³

Surface Gravity

1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.204

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

#1049of 1176

top 89.1%

This planet

1.32R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1506 b 1.32 R⊕ Kepler-383 b 1.32 R⊕ Kepler-157 b 1.32 R⊕

Metric	Earth	Kepler-1193 b	Jupiter
Radius (R⊕)	1.00	1.32	11.21
Mass (M⊕)	1.00	2.30	317.83
Density (g/cm³)	5.51	5.50	1.33
Surface Gravity (g)	1.00	1.32	2.53
Insolation (S⊕)	1.00	1,286.39	0.037

Star Catalogue Identifiers

TIC

TIC 298897851

Gaia DR2

Gaia DR2 2133404474624835840

Gaia DR3

Gaia DR3 2133404474624835840

System

Kepler-1193

Percentile among Super-Earth cohort

Radius 1.320 R⊕ · percentile 9 / cohort 1176

Mass 2.300 M⊕ · percentile 9 / cohort 1176

Orbital period 2.83 d · percentile 20 / cohort 1164

Distance 802.12 pc · percentile 67 / cohort 1171

ESI 0.204 · percentile 13 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.833 days

Semi-major axis

0.0400 AU

Eccentricity

0.000

Inclination

87.57 °

Year Length

A year here lasts approximately 2.83 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0400 AU.

Transit Fingerprint

Depth

0.011 %

Duration

2.384 h

Impact parameter b

0.917

Rp / R★

0.009906

Transit midpoint (BJD)

2,454,964.8263

Photometric dip

Transit produces a flux drop of 115 ppm lasting ≈ 2.38 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009906

Semi-major axis / stellar radius

3.690

Impact parameter (b)

0.917

Transit mid-time (BJD)

2,454,964.8263

Angular separation (arcsec)

0.04990

Eq. Temperature

1,453K

(1180 °C)

Insolation (S⊕)

1,286.39

Earth = 1.00

Earth Similarity (ESI)

0.204

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-1193

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,908 K — hotter than the Sun (5,778 K)

Estimated Age

5.01 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.210 R☉

Stellar Mass

1.080 M☉

Metallicity [Fe/H]

0.12

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

0.410 g/cm³

Systemic radial velocity

-5.53 km/s

Metallicity ratio

[Fe/H]

Distance

802.12 parsec

Light-years 2,616.15 ly

V-band magnitude

13.58 mag

Voyager-speed travel 46,135,793 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.218 mas

Total Proper Motion

10.344 mas/yr

PM Right Ascension

-10.05 mas/yr

PM Declination

2.44 mas/yr

Galactic Cartesian (pc)

x = 0.195 · y = -0.594 · z = 0.780

Equatorial (J2000)

RA 288.14473° · Dec 51.27564°

Galactic ℓ, b

82.091° · 17.726°

Ecliptic λ, β

309.645° · 72.223°

HTM-20 index

133281251