Key parameters at a glance

A radius of 7.06 Earth radii
A mass of 39.60 Earth masses
Surface gravity around 0.79 g
An orbital period of 240.799 days
Semi-major axis 0.7655 AU
Equilibrium temperature 342 K (69 °C)
Distance from Earth 4,701.96 light-years
Earth Similarity Index 0.430
Travel time at Voyager 1 speed 82,919,108 years

Kepler-1519 b Planet Profile

Physical Specs

Radius

7.06 R⊕

Radius (Jupiter)

0.630 R♃

Mass

39.60 M⊕

Mass (Jupiter)

0.125 M♃

Density

0.62 g/cm³

Surface Gravity

0.79 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.430

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

#199of 574

top 34.5%

This planet

7.06R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

WASP-166 b 7.06 R⊕ HAT-P-26 b 7.06 R⊕ KMT-2023-BLG-0469L b 7.04 R⊕

Metric	Earth	Kepler-1519 b	Jupiter
Radius (R⊕)	1.00	7.06	11.21
Mass (M⊕)	1.00	39.60	317.83
Density (g/cm³)	5.51	0.62	1.33
Surface Gravity (g)	1.00	0.79	2.53
Insolation (S⊕)	1.00	3.94	0.037

Star Catalogue Identifiers

TIC

TIC 351191596

Gaia DR2

Gaia DR2 2086851495906130176

Gaia DR3

Gaia DR3 2086851495906130176

System

Kepler-1519

Percentile among Neptune-like cohort

Radius 7.060 R⊕ · percentile 65 / cohort 574

Mass 39.600 M⊕ · percentile 63 / cohort 574

Orbital period 240.80 d · percentile 92 / cohort 524

Distance 1,441.63 pc · percentile 83 / cohort 572

ESI 0.430 · percentile 78 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

240.799 days

Semi-major axis

0.7655 AU

Eccentricity

0.000

Inclination

89.60 °

Year Length

A year here lasts approximately 240.80 Earth days (65.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.7655 AU.

Transit Fingerprint

Depth

0.502 %

Duration

16.442 h

Impact parameter b

0.636

Rp / R★

0.070611

Transit midpoint (BJD)

2,455,167.1419

Photometric dip

Transit produces a flux drop of 5,023 ppm lasting ≈ 16.44 h.

Extended Orbital Architecture

Planet / star radius ratio

0.070611

Semi-major axis / stellar radius

96.400

Impact parameter (b)

0.636

Transit mid-time (BJD)

2,455,167.1419

Angular separation (arcsec)

0.53100

Eq. Temperature

342K

(69 °C)

Insolation (S⊕)

3.94

Earth = 1.00

Earth Similarity (ESI)

0.430

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.

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-1519

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,644 K — cooler than the Sun (5,778 K)

Estimated Age

3.98 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.910 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

0.292 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,441.63 parsec

Light-years 4,701.96 ly

V-band magnitude

15.12 mag

Voyager-speed travel 82,919,108 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.665 mas

Total Proper Motion

14.777 mas/yr

PM Right Ascension

1.67 mas/yr

PM Declination

-14.68 mas/yr

Galactic Cartesian (pc)

x = 0.292 · y = -0.581 · z = 0.760

Equatorial (J2000)

RA 296.66794° · Dec 49.46178°

Galactic ℓ, b

82.740° · 12.033°

Ecliptic λ, β

321.671° · 68.171°

HTM-20 index

1758924975