Key parameters at a glance

A radius of 2.13 Earth radii
A mass of 5.18 Earth masses
Surface gravity around 1.14 g
An orbital period of 28.780 days
Semi-major axis 0.1940 AU
Equilibrium temperature 619 K (346 °C)
Distance from Earth 3,941.40 light-years
Earth Similarity Index 0.433
Travel time at Voyager 1 speed 69,506,577 years

1 sibling around Kepler-214

Kepler-214 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-214 b	Sub-Neptune	2.61	7.32	15.661	758	2014
Kepler-214 c this	Sub-Neptune	2.13	5.18	28.780	619	2014

Kepler-214 c Planet Profile

Physical Specs

Radius

2.13 R⊕

Radius (Jupiter)

0.190 R♃

Mass

5.18 M⊕

Mass (Jupiter)

0.016 M♃

Density

2.95 g/cm³

Surface Gravity

1.14 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.433

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

#1765of 1978

top 89.2%

This planet

2.13R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-200 b 2.13 R⊕ HD 40307 f 2.13 R⊕ GJ 514 b 2.13 R⊕

Metric	Earth	Kepler-214 c	Jupiter
Radius (R⊕)	1.00	2.13	11.21
Mass (M⊕)	1.00	5.18	317.83
Density (g/cm³)	5.51	2.95	1.33
Surface Gravity (g)	1.00	1.14	2.53
Insolation (S⊕)	1.00	87.24	0.037

Star Catalogue Identifiers

TIC

TIC 164785720

Gaia DR2

Gaia DR2 2106748052160620928

Gaia DR3

Gaia DR3 2106748052160620928

System

Kepler-214

Percentile among Sub-Neptune cohort

Radius 2.130 R⊕ · percentile 10 / cohort 1978

Mass 5.180 M⊕ · percentile 11 / cohort 1978

Orbital period 28.78 d · percentile 72 / cohort 1946

Distance 1,208.44 pc · percentile 87 / cohort 1975

ESI 0.433 · percentile 59 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

28.780 days

Semi-major axis

0.1940 AU

Eccentricity

0.000

Inclination

86.15 °

Year Length

A year here lasts approximately 28.78 Earth days (7.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1940 AU.

Transit Fingerprint

Depth

0.025 %

Duration

7.803 h

Impact parameter b

0.280

Rp / R★

0.017390

Transit midpoint (BJD)

2,455,026.3045

Photometric dip

Transit produces a flux drop of 253 ppm lasting ≈ 7.80 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017390

Semi-major axis / stellar radius

22.400

Impact parameter (b)

0.280

Transit mid-time (BJD)

2,455,026.3045

Angular separation (arcsec)

0.16100

Eq. Temperature

619K

(346 °C)

Insolation (S⊕)

87.24

Earth = 1.00

Earth Similarity (ESI)

0.433

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

Discovery cohort

Planets confirmed in 2014 at Kepler (12 shown).

Kepler-186 e · Super-Earth Kepler-395 c · Super-Earth Kepler-220 e · Super-Earth Kepler-249 d · Super-Earth Kepler-296 f · Super-Earth Kepler-367 c · Rocky Terrestrial Kepler-296 e · Super-Earth Kepler-155 c · Sub-Neptune Kepler-138 d · Super-Earth Kepler-333 c · Rocky Terrestrial Kepler-331 d · Super-Earth Kepler-267 d · Sub-Neptune

Host System: Kepler-214

Spectral Class

F-type yellow-white

Effective Temperature

6,169 K — hotter than the Sun (5,778 K)

Estimated Age

1.58 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.352 R☉

Stellar Mass

1.110 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.249 dex

Stellar density

0.290 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,208.44 parsec

Light-years 3,941.40 ly

V-band magnitude

14.06 mag

Voyager-speed travel 69,506,577 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.799 mas

Total Proper Motion

6.045 mas/yr

PM Right Ascension

1.43 mas/yr

PM Declination

5.87 mas/yr

Galactic Cartesian (pc)

x = 0.180 · y = -0.684 · z = 0.707

Equatorial (J2000)

RA 284.75485° · Dec 44.95605°

Galactic ℓ, b

75.052° · 17.539°

Ecliptic λ, β

297.457° · 66.994°

HTM-20 index

457639366