Key parameters at a glance

A radius of 3.68 Earth radii
A mass of 13.10 Earth masses
Surface gravity around 0.97 g
An orbital period of 18.492 days
Semi-major axis 0.1254 AU
Equilibrium temperature 603 K (330 °C)
Distance from Earth 1,999.92 light-years
Earth Similarity Index 0.357
Travel time at Voyager 1 speed 35,268,589 years

Kepler-582 b Planet Profile

Physical Specs

Radius

3.68 R⊕

Radius (Jupiter)

0.328 R♃

Mass

13.10 M⊕

Mass (Jupiter)

0.041 M♃

Density

1.44 g/cm³

Surface Gravity

0.97 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.357

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

#98of 1978

top 4.9%

This planet

3.68R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-698 b 3.68 R⊕ Kepler-19 c 3.68 R⊕ Kepler-318 c 3.68 R⊕

Metric	Earth	Kepler-582 b	Jupiter
Radius (R⊕)	1.00	3.68	11.21
Mass (M⊕)	1.00	13.10	317.83
Density (g/cm³)	5.51	1.44	1.33
Surface Gravity (g)	1.00	0.97	2.53
Insolation (S⊕)	1.00	25.06	0.037

Star Catalogue Identifiers

TIC

TIC 169556162

Gaia DR2

Gaia DR2 2073861006552197120

Gaia DR3

Gaia DR3 2073861006552197120

System

Kepler-582

Percentile among Sub-Neptune cohort

Radius 3.680 R⊕ · percentile 95 / cohort 1978

Mass 13.100 M⊕ · percentile 88 / cohort 1978

Orbital period 18.49 d · percentile 59 / cohort 1946

Distance 613.18 pc · percentile 54 / cohort 1975

ESI 0.357 · percentile 42 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

18.492 days

Semi-major axis

0.1254 AU

Eccentricity

0.000

Inclination

89.95 °

Year Length

A year here lasts approximately 18.49 Earth days (5.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1254 AU.

Transit Fingerprint

Depth

0.168 %

Duration

3.530 h

Impact parameter b

0.029

Rp / R★

0.036996

Transit midpoint (BJD)

2,455,006.4990

Photometric dip

Transit produces a flux drop of 1,679 ppm lasting ≈ 3.53 h.

Extended Orbital Architecture

Planet / star radius ratio

0.036996

Semi-major axis / stellar radius

41.700

Impact parameter (b)

0.029

Transit mid-time (BJD)

2,455,006.4990

Angular separation (arcsec)

0.20500

Eq. Temperature

603K

(330 °C)

Insolation (S⊕)

25.06

Earth = 1.00

Earth Similarity (ESI)

0.357

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-582

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,564 K — cooler than the Sun (5,778 K)

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.910 R☉

Stellar Mass

0.930 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

3.676 g/cm³

Metallicity ratio

[Fe/H]

Distance

613.18 parsec

Light-years 1,999.92 ly

V-band magnitude

15.10 mag

Voyager-speed travel 35,268,589 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.602 mas

Total Proper Motion

7.849 mas/yr

PM Right Ascension

4.18 mas/yr

PM Declination

6.64 mas/yr

Galactic Cartesian (pc)

x = 0.348 · y = -0.669 · z = 0.657

Equatorial (J2000)

RA 297.50372° · Dec 41.05703°

Galactic ℓ, b

75.558° · 7.460°

Ecliptic λ, β

314.657° · 60.303°

HTM-20 index

-980848840