Key parameters at a glance

A radius of 10.80 Earth radii
A mass of 794.50 Earth masses
Surface gravity around 6.81 g
An orbital period of 69.755 days
Semi-major axis 0.3700 AU
Equilibrium temperature 613 K (340 °C)
Distance from Earth 3,298.61 light-years
Earth Similarity Index 0.296
Travel time at Voyager 1 speed 58,171,007 years

1 sibling around Kepler-419

Kepler-419 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-419 b this	Gas Giant	10.80	794.50	69.755	613	2014
Kepler-419 c	Gas Giant	12.60	2,320.10	675.470	—	2014

Kepler-419 b Planet Profile

Physical Specs

Radius

10.80 R⊕

Radius (Jupiter)

0.960 R♃

Mass

794.50 M⊕

Mass (Jupiter)

2.500 M♃

Density

3.50 g/cm³

Surface Gravity

6.81 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.296

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

#1686of 1771

top 95.1%

This planet

10.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Kepler-725 b 10.80 R⊕ DMPP-8 b 10.80 R⊕ GJ 649 b 10.80 R⊕

Metric	Earth	Kepler-419 b	Jupiter
Radius (R⊕)	1.00	10.80	11.21
Mass (M⊕)	1.00	794.50	317.83
Density (g/cm³)	5.51	3.50	1.33
Surface Gravity (g)	1.00	6.81	2.53
Insolation (S⊕)	1.00	37.42	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	794.500 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 27454084

Gaia DR2

Gaia DR2 2135604425595213440

Gaia DR3

Gaia DR3 2135604425595213440

System

Kepler-419

Percentile among Gas Giant cohort

Radius 10.800 R⊕ · percentile 5 / cohort 1771

Mass 794.500 M⊕ · percentile 61 / cohort 1747

Orbital period 69.75 d · percentile 52 / cohort 1533

Distance 1,011.36 pc · percentile 86 / cohort 1759

ESI 0.296 · percentile 57 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

69.755 days

Semi-major axis

0.3700 AU

Eccentricity

0.833

Inclination

88.95 °

Year Length

A year here lasts approximately 69.75 Earth days (19.1% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.3700 AU.

Transit Fingerprint

Depth

0.449 %

Duration

3.718 h

Impact parameter b

0.019

Rp / R★

0.062600

Transit midpoint (BJD)

2,455,029.0932

Photometric dip

Transit produces a flux drop of 4,491 ppm lasting ≈ 3.72 h.

Extended Orbital Architecture

Planet / star radius ratio

0.062600

Semi-major axis / stellar radius

152.089

Impact parameter (b)

0.019

RV semi-amplitude (K)

179.000 m/s

Transit mid-time (BJD)

2,455,029.0932

Long. of periastron (ω)

95.20°

Angular separation (arcsec)

0.36600

Eq. Temperature

613K

(340 °C)

Insolation (S⊕)

37.42

Earth = 1.00

Earth Similarity (ESI)

0.296

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Dawson et al. 2014

Instrument

Kepler CCD Array

Publication

2014-08

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-419

Spectral Class

F-type yellow-white

Effective Temperature

6,430 K — hotter than the Sun (5,778 K)

Estimated Age

2.14 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.740 R☉

Stellar Mass

1.390 M☉

Metallicity [Fe/H]

0.18

Extended Stellar Properties

Surface gravity (log g)

4.100 dex

Stellar density

13.340 g/cm³

Rotational v·sin i

14.41 km/s

Rotation period

4.49 days

Metallicity ratio

[Fe/H]

Distance

1,011.36 parsec

Light-years 3,298.61 ly

V-band magnitude

13.09 mag

Voyager-speed travel 58,171,007 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.960 mas

Total Proper Motion

1.273 mas/yr

PM Right Ascension

-0.07 mas/yr

PM Declination

-1.27 mas/yr

Galactic Cartesian (pc)

x = 0.269 · y = -0.566 · z = 0.779

Equatorial (J2000)

RA 295.41791° · Dec 51.18476°

Galactic ℓ, b

83.935° · 13.532°

Ecliptic λ, β

322.090° · 70.064°

HTM-20 index

-253898354