Confirmed Exoplanet Discovered 2014

Kepler-335 c

A sub-neptune orbiting the g-type yellow (sun-like) Kepler-335, located approximately 4,171.4 light-years from Earth.

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 67.844 days
  • Semi-major axis 0.3560 AU
  • Equilibrium temperature 592 K (319 °C)
  • Distance from Earth 4,171.44 light-years
  • Earth Similarity Index 0.392
  • Travel time at Voyager 1 speed 73,563,294 years

1 sibling around Kepler-335

Kepler-335 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-335 b Sub-Neptune 3.39 11.40 6.562 1,290 2014
Kepler-335 c this Sub-Neptune 3.07 9.64 67.844 592 2014

Kepler-335 c 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 0.392
HZ Position Inner
Controversial No

Discovery

Year 2014
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

Metric Earth Kepler-335 c Jupiter
Radius (R⊕)1.003.0711.21
Mass (M⊕)1.009.64317.83
Density (g/cm³)5.511.831.33
Surface Gravity (g)1.001.022.53
Insolation (S⊕)1.0032.040.037

Star Catalogue Identifiers

TIC

TIC 272085033

Gaia DR2

Gaia DR2 2079810120364906880

Gaia DR3

Gaia DR3 2079810120364906880

System

Kepler-335

Percentile among Sub-Neptune cohort

Radius 3.070 R⊕ · percentile 77 / cohort 1978
Mass 9.640 M⊕ · percentile 70 / cohort 1978
Orbital period 67.84 d · percentile 90 / cohort 1946
Distance 1,278.97 pc · percentile 88 / cohort 1975
ESI 0.392 · percentile 51 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
67.844 days
Semi-major axis
0.3560 AU
Eccentricity
0.000
Inclination
89.49 °

Year Length

A year here lasts approximately 67.84 Earth days (18.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3560 AU.

Transit Fingerprint

Depth

0.025 %

Duration

12.157 h

Impact parameter b

0.770

Rp / R★

0.014568

Transit midpoint (BJD)

2,454,982.4993

Photometric dip

Transit produces a flux drop of 247 ppm lasting ≈ 12.16 h.

Extended Orbital Architecture

Planet / star radius ratio

0.014568

Semi-major axis / stellar radius

40.600

Impact parameter (b)

0.770

Transit mid-time (BJD)

2,454,982.4993

Angular separation (arcsec)

0.27800

Eq. Temperature

592K

(319 °C)

Insolation (S⊕)

32.04

Earth = 1.00

Earth Similarity (ESI)

0.392

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

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-335

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,877 K — hotter than the Sun (5,778 K)

Estimated Age

3.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.854 R☉

Stellar Mass

1.367 M☉

Metallicity [Fe/H]

0.28

Extended Stellar Properties

Surface gravity (log g)

4.017 dex

Stellar density

0.260 g/cm³

Metallicity ratio

[M/H]

Distance
1,278.97 parsec
Light-years 4,171.44 ly
V-band magnitude
14.11 mag
Voyager-speed travel 73,563,294 yr

Multi-band Host Photometry — 16 bands

9.314.414.42B14.11V13.96Gaia14.00Kepler13.50TESS14.43Sloan g13.93Sloan r13.81Sloan i13.75Sloan z12.85J12.57H12.50K12.47W112.50W212.75W39.29W4

Astrometric Data

Parallax

0.753 mas

Total Proper Motion

5.324 mas/yr

PM Right Ascension

-1.64 mas/yr

PM Declination

-5.06 mas/yr

Galactic Cartesian (pc)

x = 0.308 · y = -0.630 · z = 0.712

Equatorial (J2000)

RA 296.06429° · Dec 45.42860°

Galactic ℓ, b

78.915° · 10.495°

Ecliptic λ, β

316.261° · 64.737°

HTM-20 index

-2037482864

Similar Worlds

Explore Related Categories