Key parameters at a glance

A radius of 0.83 Earth radii
A mass of 0.50 Earth masses
Surface gravity around 0.72 g
An orbital period of 2.461 days
Semi-major axis 0.0350 AU
Equilibrium temperature 1,195 K (922 °C)
Distance from Earth 876.97 light-years
Earth Similarity Index 0.253
Travel time at Voyager 1 speed 15,465,392 years

1 sibling around Kepler-314

Kepler-314 b 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-314 b this	Rocky Terrestrial	0.83	0.50	2.461	1,195	2014
Kepler-314 c	Sub-Neptune	2.90	8.75	5.960	890	2014

Kepler-314 b Planet Profile

Physical Specs

Radius

0.83 R⊕

Radius (Jupiter)

0.074 R♃

Mass

0.50 M⊕

Mass (Jupiter)

0.002 M♃

Density

4.79 g/cm³

Surface Gravity

0.72 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.253

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

#461of 570

top 80.7%

This planet

0.83R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

K2-257 b 0.83 R⊕ Kepler-1412 b 0.83 R⊕ Kepler-450 d 0.84 R⊕

Metric	Earth	Kepler-314 b	Jupiter
Radius (R⊕)	1.00	0.83	11.21
Mass (M⊕)	1.00	0.50	317.83
Density (g/cm³)	5.51	4.79	1.33
Surface Gravity (g)	1.00	0.72	2.53
Insolation (S⊕)	1.00	488.67	0.037

Star Catalogue Identifiers

TIC

TIC 271052158

Gaia DR2

Gaia DR2 2077540827141811200

Gaia DR3

Gaia DR3 2077540827141811200

System

Kepler-314

Percentile among Rocky Terrestrial cohort

Radius 0.830 R⊕ · percentile 19 / cohort 570

Mass 0.498 M⊕ · percentile 16 / cohort 570

Orbital period 2.46 d · percentile 29 / cohort 567

Distance 268.88 pc · percentile 37 / cohort 566

ESI 0.253 · percentile 26 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

2.461 days

Semi-major axis

0.0350 AU

Eccentricity

0.000

Inclination

85.40 °

Year Length

A year here lasts approximately 2.46 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0350 AU.

Transit Fingerprint

Depth

0.008 %

Duration

2.293 h

Impact parameter b

0.210

Rp / R★

0.008080

Transit midpoint (BJD)

2,454,966.3144

Photometric dip

Transit produces a flux drop of 81 ppm lasting ≈ 2.29 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008080

Semi-major axis / stellar radius

9.100

Impact parameter (b)

0.210

Transit mid-time (BJD)

2,454,966.3144

Angular separation (arcsec)

0.13000

Eq. Temperature

1,195K

(922 °C)

Insolation (S⊕)

488.67

Earth = 1.00

Earth Similarity (ESI)

0.253

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-314

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,378 K — cooler than the Sun (5,778 K)

Estimated Age

0.98 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.950 R☉

Stellar Mass

0.990 M☉

Metallicity [Fe/H]

0.32

Extended Stellar Properties

Surface gravity (log g)

4.465 dex

Stellar density

1.410 g/cm³

Systemic radial velocity

-21.98 km/s

Metallicity ratio

[M/H]

Distance

268.88 parsec

Light-years 876.97 ly

V-band magnitude

12.64 mag

Voyager-speed travel 15,465,392 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

3.690 mas

Total Proper Motion

8.782 mas/yr

PM Right Ascension

6.73 mas/yr

PM Declination

5.64 mas/yr

Galactic Cartesian (pc)

x = 0.310 · y = -0.674 · z = 0.670

Equatorial (J2000)

RA 294.67415° · Dec 42.07560°

Galactic ℓ, b

75.429° · 9.805°

Ecliptic λ, β

311.331° · 62.020°

HTM-20 index

-1030056997