Key parameters at a glance

A radius of 1.16 Earth radii
A mass of 1.65 Earth masses
Surface gravity around 1.23 g
An orbital period of 29.609 days
Semi-major axis 0.1907 AU
Equilibrium temperature 629 K (356 °C)
Distance from Earth 2,157.26 light-years
Earth Similarity Index 0.505
Travel time at Voyager 1 speed 38,043,353 years

Kepler-1424 b Planet Profile

Physical Specs

Radius

1.16 R⊕

Radius (Jupiter)

0.103 R♃

Mass

1.65 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.81 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.505

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

#147of 570

top 25.6%

This planet

1.16R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-363 b 1.16 R⊕ OGLE-2013-BLG-0341L B b 1.16 R⊕ Kepler-316 c 1.16 R⊕

Metric	Earth	Kepler-1424 b	Jupiter
Radius (R⊕)	1.00	1.16	11.21
Mass (M⊕)	1.00	1.65	317.83
Density (g/cm³)	5.51	5.81	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	58.60	0.037

Star Catalogue Identifiers

TIC

TIC 122706631

Gaia DR2

Gaia DR2 2101117418758956416

Gaia DR3

Gaia DR3 2101117418758956416

System

Kepler-1424

Percentile among Rocky Terrestrial cohort

Radius 1.160 R⊕ · percentile 73 / cohort 570

Mass 1.650 M⊕ · percentile 66 / cohort 570

Orbital period 29.61 d · percentile 96 / cohort 567

Distance 661.42 pc · percentile 77 / cohort 566

ESI 0.505 · percentile 71 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

29.609 days

Semi-major axis

0.1907 AU

Eccentricity

0.000

Inclination

82.54 °

Year Length

A year here lasts approximately 29.61 Earth days (8.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1907 AU.

Transit Fingerprint

Depth

0.013 %

Duration

5.471 h

Impact parameter b

0.418

Rp / R★

0.010481

Transit midpoint (BJD)

2,454,970.3359

Photometric dip

Transit produces a flux drop of 126 ppm lasting ≈ 5.47 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010481

Semi-major axis / stellar radius

7.570

Impact parameter (b)

0.418

Transit mid-time (BJD)

2,454,970.3359

Angular separation (arcsec)

0.28800

Eq. Temperature

629K

(356 °C)

Insolation (S⊕)

58.60

Earth = 1.00

Earth Similarity (ESI)

0.505

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-1424

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,838 K — hotter than the Sun (5,778 K)

Estimated Age

5.25 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.070 R☉

Stellar Mass

1.020 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.390 dex

Stellar density

0.430 g/cm³

Metallicity ratio

[Fe/H]

Distance

661.42 parsec

Light-years 2,157.26 ly

V-band magnitude

13.76 mag

Voyager-speed travel 38,043,353 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.207 mas

Total Proper Motion

6.625 mas/yr

PM Right Ascension

-4.06 mas/yr

PM Declination

5.23 mas/yr

Galactic Cartesian (pc)

x = 0.273 · y = -0.713 · z = 0.646

Equatorial (J2000)

RA 290.99166° · Dec 40.22933°

Galactic ℓ, b

72.478° · 11.442°

Ecliptic λ, β

304.555° · 61.174°

HTM-20 index

1407856905