Key parameters at a glance

A radius of 2.29 Earth radii
A mass of 5.86 Earth masses
Surface gravity around 1.12 g
An orbital period of 15.646 days
Semi-major axis 0.1229 AU
Equilibrium temperature 710 K (437 °C)
Distance from Earth 3,989.02 light-years
Earth Similarity Index 0.369
Travel time at Voyager 1 speed 70,346,335 years

Kepler-1334 b Planet Profile

Physical Specs

Radius

2.29 R⊕

Radius (Jupiter)

0.204 R♃

Mass

5.86 M⊕

Mass (Jupiter)

0.018 M♃

Density

2.68 g/cm³

Surface Gravity

1.12 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.369

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

#1519of 1978

top 76.7%

This planet

2.29R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-379 c 2.29 R⊕ Kepler-319 d 2.29 R⊕ Kepler-626 b 2.29 R⊕

Metric	Earth	Kepler-1334 b	Jupiter
Radius (R⊕)	1.00	2.29	11.21
Mass (M⊕)	1.00	5.86	317.83
Density (g/cm³)	5.51	2.68	1.33
Surface Gravity (g)	1.00	1.12	2.53
Insolation (S⊕)	1.00	78.36	0.037

Star Catalogue Identifiers

TIC

TIC 299217895

Gaia DR2

Gaia DR2 2133250405558238976

Gaia DR3

Gaia DR3 2133250405558238976

System

Kepler-1334

Percentile among Sub-Neptune cohort

Radius 2.290 R⊕ · percentile 23 / cohort 1978

Mass 5.860 M⊕ · percentile 22 / cohort 1978

Orbital period 15.65 d · percentile 52 / cohort 1946

Distance 1,223.04 pc · percentile 87 / cohort 1975

ESI 0.369 · percentile 46 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

15.646 days

Semi-major axis

0.1229 AU

Eccentricity

0.000

Inclination

89.94 °

Year Length

A year here lasts approximately 15.65 Earth days (4.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1229 AU.

Transit Fingerprint

Depth

0.057 %

Duration

4.012 h

Impact parameter b

0.328

Rp / R★

0.023044

Transit midpoint (BJD)

2,454,979.0484

Photometric dip

Transit produces a flux drop of 572 ppm lasting ≈ 4.01 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023044

Semi-major axis / stellar radius

30.840

Impact parameter (b)

0.328

Transit mid-time (BJD)

2,454,979.0484

Angular separation (arcsec)

0.10000

Eq. Temperature

710K

(437 °C)

Insolation (S⊕)

78.36

Earth = 1.00

Earth Similarity (ESI)

0.369

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-1334

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,614 K — cooler than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.910 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

2.266 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,223.04 parsec

Light-years 3,989.02 ly

V-band magnitude

15.46 mag

Voyager-speed travel 70,346,335 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.789 mas

Total Proper Motion

12.165 mas/yr

PM Right Ascension

4.91 mas/yr

PM Declination

11.13 mas/yr

Galactic Cartesian (pc)

x = 0.207 · y = -0.590 · z = 0.781

Equatorial (J2000)

RA 289.31153° · Dec 51.32091°

Galactic ℓ, b

82.420° · 17.066°

Ecliptic λ, β

311.865° · 71.961°

HTM-20 index

42450543