Key parameters at a glance

A radius of 0.76 Earth radii
A mass of 0.36 Earth masses
Surface gravity around 0.63 g
An orbital period of 23.623 days
Semi-major axis 0.1541 AU
Equilibrium temperature 797 K (524 °C)
Distance from Earth 2,396.76 light-years
Earth Similarity Index 0.380
Travel time at Voyager 1 speed 42,266,814 years

Kepler-1619 b Planet Profile

Physical Specs

Radius

0.76 R⊕

Radius (Jupiter)

0.068 R♃

Mass

0.36 M⊕

Mass (Jupiter)

0.001 M♃

Density

4.54 g/cm³

Surface Gravity

0.63 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.380

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

#499of 570

top 87.4%

This planet

0.76R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1542 e 0.76 R⊕ Kepler-1402 b 0.76 R⊕ Kepler-1588 b 0.76 R⊕

Metric	Earth	Kepler-1619 b	Jupiter
Radius (R⊕)	1.00	0.76	11.21
Mass (M⊕)	1.00	0.36	317.83
Density (g/cm³)	5.51	4.54	1.33
Surface Gravity (g)	1.00	0.63	2.53
Insolation (S⊕)	1.00	74.64	0.037

Star Catalogue Identifiers

TIC

TIC 279913760

Gaia DR2

Gaia DR2 2105921803532722432

Gaia DR3

Gaia DR3 2105921803532722432

System

Kepler-1619

Percentile among Rocky Terrestrial cohort

Radius 0.760 R⊕ · percentile 12 / cohort 570

Mass 0.363 M⊕ · percentile 9 / cohort 570

Orbital period 23.62 d · percentile 94 / cohort 567

Distance 734.85 pc · percentile 81 / cohort 566

ESI 0.380 · percentile 56 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

23.623 days

Semi-major axis

0.1541 AU

Eccentricity

0.000

Inclination

89.14 °

Year Length

A year here lasts approximately 23.62 Earth days (6.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1541 AU.

Transit Fingerprint

Depth

0.006 %

Duration

6.544 h

Impact parameter b

0.073

Rp / R★

0.006900

Transit midpoint (BJD)

2,454,979.9602

Photometric dip

Transit produces a flux drop of 57 ppm lasting ≈ 6.54 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006900

Semi-major axis / stellar radius

27.700

Impact parameter (b)

0.073

Transit mid-time (BJD)

2,454,979.9602

Angular separation (arcsec)

0.21000

Eq. Temperature

797K

(524 °C)

Insolation (S⊕)

74.64

Earth = 1.00

Earth Similarity (ESI)

0.380

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-1619

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,852 K — hotter than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.000 R☉

Stellar Mass

1.000 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

4.440 dex

Stellar density

0.310 g/cm³

Metallicity ratio

[Fe/H]

Distance

734.85 parsec

Light-years 2,396.76 ly

V-band magnitude

13.44 mag

Voyager-speed travel 42,266,814 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.332 mas

Total Proper Motion

42.637 mas/yr

PM Right Ascension

18.48 mas/yr

PM Declination

38.42 mas/yr

Galactic Cartesian (pc)

x = 0.193 · y = -0.688 · z = 0.700

Equatorial (J2000)

RA 285.70360° · Dec 44.42215°

Galactic ℓ, b

74.790° · 16.716°

Ecliptic λ, β

298.744° · 66.301°

HTM-20 index

118613725