Key parameters at a glance

A radius of 3.95 Earth radii
A mass of 14.80 Earth masses
Surface gravity around 0.95 g
An orbital period of 6.150 days
Semi-major axis 0.0687 AU
Equilibrium temperature 1,287 K (1014 °C)
Distance from Earth 2,953.04 light-years
Earth Similarity Index 0.157
Travel time at Voyager 1 speed 52,076,787 years

Kepler-1719 b Planet Profile

Physical Specs

Radius

3.95 R⊕

Radius (Jupiter)

0.352 R♃

Mass

14.80 M⊕

Mass (Jupiter)

0.047 M♃

Density

1.32 g/cm³

Surface Gravity

0.95 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.157

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#8of 1978

top 0.4%

This planet

3.95R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-178 d 3.95 R⊕ Kepler-552 b 3.95 R⊕ K2-193 b 3.95 R⊕

Metric	Earth	Kepler-1719 b	Jupiter
Radius (R⊕)	1.00	3.95	11.21
Mass (M⊕)	1.00	14.80	317.83
Density (g/cm³)	5.51	1.32	1.33
Surface Gravity (g)	1.00	0.95	2.53
Insolation (S⊕)	1.00	686.90	0.037

Star Catalogue Identifiers

TIC

TIC 120314731

Gaia DR2

Gaia DR2 2100196646487547776

Gaia DR3

Gaia DR3 2100196646487547776

System

Kepler-1719

Percentile among Sub-Neptune cohort

Radius 3.950 R⊕ · percentile 100 / cohort 1978

Mass 14.800 M⊕ · percentile 92 / cohort 1978

Orbital period 6.15 d · percentile 18 / cohort 1946

Distance 905.41 pc · percentile 73 / cohort 1975

ESI 0.157 · percentile 3 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

6.150 days

Semi-major axis

0.0687 AU

Eccentricity

0.000

Inclination

87.37 °

Year Length

A year here lasts approximately 6.15 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0687 AU.

Transit Fingerprint

Depth

0.033 %

Duration

5.569 h

Impact parameter b

0.388

Rp / R★

0.017460

Transit midpoint (BJD)

2,455,002.5518

Photometric dip

Transit produces a flux drop of 334 ppm lasting ≈ 5.57 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017460

Semi-major axis / stellar radius

8.020

Impact parameter (b)

0.388

Transit mid-time (BJD)

2,455,002.5518

Angular separation (arcsec)

0.07590

Eq. Temperature

1,287K

(1014 °C)

Insolation (S⊕)

686.90

Earth = 1.00

Earth Similarity (ESI)

0.157

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1719

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,687 K — cooler than the Sun (5,778 K)

Estimated Age

6.61 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.775 R☉

Stellar Mass

1.080 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

3.973 dex

Stellar density

0.258 g/cm³

Metallicity ratio

[Fe/H]

Distance

905.41 parsec

Light-years 2,953.04 ly

V-band magnitude

13.48 mag

Voyager-speed travel 52,076,787 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

1.076 mas

Total Proper Motion

18.918 mas/yr

PM Right Ascension

-6.18 mas/yr

PM Declination

-17.88 mas/yr

Galactic Cartesian (pc)

x = 0.197 · y = -0.752 · z = 0.628

Equatorial (J2000)

RA 284.70685° · Dec 38.93676°

Galactic ℓ, b

69.216° · 15.323°

Ecliptic λ, β

294.153° · 61.148°

HTM-20 index

384417186