Key parameters at a glance

A radius of 3.07 Earth radii
A mass of 9.64 Earth masses
Surface gravity around 1.02 g
An orbital period of 61.037 days
Semi-major axis 0.3132 AU
Equilibrium temperature 610 K (337 °C)
Distance from Earth 3,434.55 light-years
Earth Similarity Index 0.381
Travel time at Voyager 1 speed 60,568,341 years

Kepler-924 b Planet Profile

Physical Specs

Radius

3.07 R⊕

Radius (Jupiter)

0.274 R♃

Mass

9.64 M⊕

Mass (Jupiter)

0.030 M♃

Density

1.83 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.381

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

#456of 1978

top 23.0%

This planet

3.07R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-346 c 3.07 R⊕ Kepler-335 c 3.07 R⊕ Kepler-293 b 3.07 R⊕

Metric	Earth	Kepler-924 b	Jupiter
Radius (R⊕)	1.00	3.07	11.21
Mass (M⊕)	1.00	9.64	317.83
Density (g/cm³)	5.51	1.83	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	20.00	0.037

Star Catalogue Identifiers

TIC

TIC 122596334

Gaia DR2

Gaia DR2 2101136385334437632

Gaia DR3

Gaia DR3 2101136385334437632

System

Kepler-924

Percentile among Sub-Neptune cohort

Radius 3.070 R⊕ · percentile 77 / cohort 1978

Mass 9.640 M⊕ · percentile 70 / cohort 1978

Orbital period 61.04 d · percentile 89 / cohort 1946

Distance 1,053.04 pc · percentile 81 / cohort 1975

ESI 0.381 · percentile 49 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

61.037 days

Semi-major axis

0.3132 AU

Eccentricity

0.000

Inclination

89.93 °

Year Length

A year here lasts approximately 61.04 Earth days (16.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3132 AU.

Transit Fingerprint

Depth

0.044 %

Duration

8.851 h

Impact parameter b

0.030

Rp / R★

0.022549

Transit midpoint (BJD)

2,455,008.1800

Photometric dip

Transit produces a flux drop of 438 ppm lasting ≈ 8.85 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022549

Semi-major axis / stellar radius

56.590

Impact parameter (b)

0.030

Transit mid-time (BJD)

2,455,008.1800

Angular separation (arcsec)

0.29700

Eq. Temperature

610K

(337 °C)

Insolation (S⊕)

20.00

Earth = 1.00

Earth Similarity (ESI)

0.381

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-924

Spectral Class

F-type yellow-white

Effective Temperature

6,167 K — hotter than the Sun (5,778 K)

Estimated Age

3.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.230 R☉

Stellar Mass

1.140 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.320 dex

Stellar density

0.520 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,053.04 parsec

Light-years 3,434.55 ly

V-band magnitude

14.29 mag

Voyager-speed travel 60,568,341 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.921 mas

Total Proper Motion

1.827 mas/yr

PM Right Ascension

-1.83 mas/yr

PM Declination

0.07 mas/yr

Galactic Cartesian (pc)

x = 0.269 · y = -0.713 · z = 0.648

Equatorial (J2000)

RA 290.66851° · Dec 40.39771°

Galactic ℓ, b

72.523° · 11.737°

Ecliptic λ, β

304.168° · 61.408°

HTM-20 index

1347075115