Key parameters at a glance

A radius of 1.41 Earth radii
A mass of 2.57 Earth masses
Surface gravity around 1.29 g
An orbital period of 15.022 days
Semi-major axis 0.1197 AU
Equilibrium temperature 874 K (601 °C)
Distance from Earth 1,810.33 light-years
Earth Similarity Index 0.351
Travel time at Voyager 1 speed 31,925,206 years

Kepler-1493 b Planet Profile

Physical Specs

Radius

1.41 R⊕

Radius (Jupiter)

0.126 R♃

Mass

2.57 M⊕

Mass (Jupiter)

0.008 M♃

Density

5.04 g/cm³

Surface Gravity

1.29 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.351

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

#902of 1176

top 76.6%

This planet

1.41R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-369 c 1.41 R⊕ Kepler-334 d 1.41 R⊕ Kepler-141 c 1.41 R⊕

Metric	Earth	Kepler-1493 b	Jupiter
Radius (R⊕)	1.00	1.41	11.21
Mass (M⊕)	1.00	2.57	317.83
Density (g/cm³)	5.51	5.04	1.33
Surface Gravity (g)	1.00	1.29	2.53
Insolation (S⊕)	1.00	137.91	0.037

Star Catalogue Identifiers

TIC

TIC 121656582

Gaia DR2

Gaia DR2 2099457980832215552

System

Kepler-1493

Percentile among Super-Earth cohort

Radius 1.410 R⊕ · percentile 22 / cohort 1176

Mass 2.570 M⊕ · percentile 21 / cohort 1176

Orbital period 15.02 d · percentile 78 / cohort 1164

Distance 555.05 pc · percentile 51 / cohort 1171

ESI 0.351 · percentile 50 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

15.022 days

Semi-major axis

0.1197 AU

Eccentricity

0.000

Inclination

82.45 °

Year Length

A year here lasts approximately 15.02 Earth days (4.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1197 AU.

Transit Fingerprint

Depth

0.011 %

Duration

4.557 h

Impact parameter b

0.097

Rp / R★

0.009607

Transit midpoint (BJD)

2,454,976.7019

Photometric dip

Transit produces a flux drop of 111 ppm lasting ≈ 4.56 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009607

Semi-major axis / stellar radius

25.310

Impact parameter (b)

0.097

Transit mid-time (BJD)

2,454,976.7019

Angular separation (arcsec)

0.21600

Eq. Temperature

874K

(601 °C)

Insolation (S⊕)

137.91

Earth = 1.00

Earth Similarity (ESI)

0.351

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-1493

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,863 K — hotter than the Sun (5,778 K)

Estimated Age

6.46 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.290 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.06

Extended Stellar Properties

Surface gravity (log g)

4.240 dex

Stellar density

1.359 g/cm³

Metallicity ratio

[Fe/H]

Distance

555.05 parsec

Light-years 1,810.33 ly

V-band magnitude

13.72 mag

Voyager-speed travel 31,925,206 yr

Multi-band Host Photometry — 15 bands

Astrometric Data

Parallax

1.901 mas

Total Proper Motion

24.969 mas/yr

PM Right Ascension

24.54 mas/yr

PM Declination

-4.62 mas/yr

Galactic Cartesian (pc)

x = 0.249 · y = -0.741 · z = 0.623

Equatorial (J2000)

RA 288.54937° · Dec 38.56520°

Galactic ℓ, b

70.113° · 12.431°

Ecliptic λ, β

299.921° · 60.092°

HTM-20 index

-246090322