Key parameters at a glance

A radius of 1.33 Earth radii
A mass of 2.33 Earth masses
Surface gravity around 1.32 g
An orbital period of 13.324 days
Semi-major axis 0.1163 AU
Equilibrium temperature 872 K (599 °C)
Distance from Earth 1,825.16 light-years
Earth Similarity Index 0.358
Travel time at Voyager 1 speed 32,186,738 years

Kepler-1224 b Planet Profile

Physical Specs

Radius

1.33 R⊕

Radius (Jupiter)

0.119 R♃

Mass

2.33 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.44 g/cm³

Surface Gravity

1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.358

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

#1022of 1176

top 86.8%

This planet

1.33R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-393 c 1.33 R⊕ Kepler-286 d 1.33 R⊕ Kepler-220 e 1.33 R⊕

Metric	Earth	Kepler-1224 b	Jupiter
Radius (R⊕)	1.00	1.33	11.21
Mass (M⊕)	1.00	2.33	317.83
Density (g/cm³)	5.51	5.44	1.33
Surface Gravity (g)	1.00	1.32	2.53
Insolation (S⊕)	1.00	132.66	0.037

Star Catalogue Identifiers

TIC

TIC 120964116

Gaia DR2

Gaia DR2 2099122522408063232

Gaia DR3

Gaia DR3 2099122522408063232

System

Kepler-1224

Percentile among Super-Earth cohort

Radius 1.330 R⊕ · percentile 11 / cohort 1176

Mass 2.330 M⊕ · percentile 11 / cohort 1176

Orbital period 13.32 d · percentile 73 / cohort 1164

Distance 559.60 pc · percentile 51 / cohort 1171

ESI 0.358 · percentile 52 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

13.324 days

Semi-major axis

0.1163 AU

Eccentricity

0.000

Inclination

89.50 °

Year Length

A year here lasts approximately 13.32 Earth days (3.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1163 AU.

Transit Fingerprint

Depth

0.011 %

Duration

3.927 h

Impact parameter b

0.170

Rp / R★

0.009677

Transit midpoint (BJD)

2,454,967.0347

Photometric dip

Transit produces a flux drop of 110 ppm lasting ≈ 3.93 h.

Extended Orbital Architecture

Planet / star radius ratio

0.009677

Semi-major axis / stellar radius

25.880

Impact parameter (b)

0.170

Transit mid-time (BJD)

2,454,967.0347

Angular separation (arcsec)

0.20800

Eq. Temperature

872K

(599 °C)

Insolation (S⊕)

132.66

Earth = 1.00

Earth Similarity (ESI)

0.358

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-1224

Spectral Class

F-type yellow-white

Effective Temperature

6,155 K — hotter than the Sun (5,778 K)

Estimated Age

2.34 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.220 R☉

Stellar Mass

1.180 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.340 dex

Stellar density

0.740 g/cm³

Metallicity ratio

[Fe/H]

Distance

559.60 parsec

Light-years 1,825.16 ly

V-band magnitude

12.93 mag

Voyager-speed travel 32,186,738 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.759 mas

Total Proper Motion

3.153 mas/yr

PM Right Ascension

2.48 mas/yr

PM Declination

1.95 mas/yr

Galactic Cartesian (pc)

x = 0.227 · y = -0.760 · z = 0.609

Equatorial (J2000)

RA 286.62576° · Dec 37.53731°

Galactic ℓ, b

68.509° · 13.383°

Ecliptic λ, β

296.511° · 59.456°

HTM-20 index

1042260631