Key parameters at a glance

A radius of 1.34 Earth radii
A mass of 2.36 Earth masses
Surface gravity around 1.31 g
An orbital period of 2.887 days
Semi-major axis 0.0296 AU
Equilibrium temperature 557 K (284 °C)
Distance from Earth 338.93 light-years
Earth Similarity Index 0.556
Travel time at Voyager 1 speed 5,977,057 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1319 b Planet Profile

Physical Specs

Radius

1.34 R⊕

Radius (Jupiter)

0.120 R♃

Mass

2.36 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.39 g/cm³

Surface Gravity

1.31 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.556

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

#1010of 1176

top 85.8%

This planet

1.34R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

LTT 1445 A b 1.34 R⊕ Kepler-191 b 1.34 R⊕ Kepler-285 b 1.34 R⊕

Metric	Earth	Kepler-1319 b	Jupiter
Radius (R⊕)	1.00	1.34	11.21
Mass (M⊕)	1.00	2.36	317.83
Density (g/cm³)	5.51	5.39	1.33
Surface Gravity (g)	1.00	1.31	2.53
Insolation (S⊕)	1.00	38.45	0.037

Star Catalogue Identifiers

TIC

TIC 417676990

Gaia DR2

Gaia DR2 2129942765344872320

Gaia DR3

Gaia DR3 2129942765344872320

System

Kepler-1319

Percentile among Super-Earth cohort

Radius 1.340 R⊕ · percentile 13 / cohort 1176

Mass 2.360 M⊕ · percentile 13 / cohort 1176

Orbital period 2.89 d · percentile 20 / cohort 1164

Distance 103.92 pc · percentile 17 / cohort 1171

ESI 0.556 · percentile 78 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.887 days

Semi-major axis

0.0296 AU

Eccentricity

0.330

Inclination

84.91 °

Year Length

A year here lasts approximately 2.89 Earth days (0.8% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.0296 AU.

Transit Fingerprint

Depth

0.063 %

Duration

0.885 h

Impact parameter b

0.650

Rp / R★

0.023078

Transit midpoint (BJD)

2,454,964.6658

Photometric dip

Transit produces a flux drop of 632 ppm lasting ≈ 0.89 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023078

Semi-major axis / stellar radius

25.300

Impact parameter (b)

0.650

Transit mid-time (BJD)

2,454,964.6658

Angular separation (arcsec)

0.28500

Eq. Temperature

557K

(284 °C)

Insolation (S⊕)

38.45

Earth = 1.00

Earth Similarity (ESI)

0.556

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Mann et al. 2017

Instrument

Kepler CCD Array

Publication

2017-06

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-1319

Spectral Class

M-type red dwarf

Effective Temperature

3,655 K — cooler than the Sun (5,778 K)

Estimated Age

5.37 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.540 R☉

Stellar Mass

0.560 M☉

Metallicity [Fe/H]

0.44

Extended Stellar Properties

Surface gravity (log g)

4.730 dex

Stellar density

5.613 g/cm³

Metallicity ratio

[Fe/H]

Distance

103.92 parsec

Light-years 338.93 ly

V-band magnitude

15.16 mag

Voyager-speed travel 5,977,057 yr

Multi-band Host Photometry — 15 bands

Astrometric Data

Parallax

9.594 mas

Total Proper Motion

135.120 mas/yr

PM Right Ascension

53.22 mas/yr

PM Declination

124.20 mas/yr

Galactic Cartesian (pc)

x = 0.233 · y = -0.608 · z = 0.759

Equatorial (J2000)

RA 290.95645° · Dec 49.36679°

Galactic ℓ, b

80.979° · 15.332°

Ecliptic λ, β

312.283° · 69.747°

HTM-20 index

848156550