Key parameters at a glance

A radius of 2.28 Earth radii
A mass of 5.82 Earth masses
Surface gravity around 1.12 g
An orbital period of 6.510 days
Semi-major axis 0.0689 AU
Equilibrium temperature 1,017 K (744 °C)
Distance from Earth 2,828.66 light-years
Earth Similarity Index 0.254
Travel time at Voyager 1 speed 49,883,353 years

Kepler-583 b Planet Profile

Physical Specs

Radius

2.28 R⊕

Radius (Jupiter)

0.203 R♃

Mass

5.82 M⊕

Mass (Jupiter)

0.018 M♃

Density

2.70 g/cm³

Surface Gravity

1.12 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.254

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

#1536of 1978

top 77.6%

This planet

2.28R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

GJ 806 c 2.28 R⊕ Kepler-1020 b 2.28 R⊕ DMPP-6 b 2.28 R⊕

Metric	Earth	Kepler-583 b	Jupiter
Radius (R⊕)	1.00	2.28	11.21
Mass (M⊕)	1.00	5.82	317.83
Density (g/cm³)	5.51	2.70	1.33
Surface Gravity (g)	1.00	1.12	2.53
Insolation (S⊕)	1.00	178.70	0.037

Star Catalogue Identifiers

TIC

TIC 123415040

Gaia DR2

Gaia DR2 2104755256054840192

Gaia DR3

Gaia DR3 2104755256054840192

System

Kepler-583

Percentile among Sub-Neptune cohort

Radius 2.280 R⊕ · percentile 22 / cohort 1978

Mass 5.820 M⊕ · percentile 22 / cohort 1978

Orbital period 6.51 d · percentile 20 / cohort 1946

Distance 867.27 pc · percentile 70 / cohort 1975

ESI 0.254 · percentile 17 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

6.510 days

Semi-major axis

0.0689 AU

Eccentricity

0.000

Inclination

89.91 °

Year Length

A year here lasts approximately 6.51 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0689 AU.

Transit Fingerprint

Depth

0.060 %

Duration

3.330 h

Impact parameter b

0.175

Rp / R★

0.022924

Transit midpoint (BJD)

2,455,005.9159

Photometric dip

Transit produces a flux drop of 603 ppm lasting ≈ 3.33 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022924

Semi-major axis / stellar radius

15.367

Impact parameter (b)

0.175

Transit mid-time (BJD)

2,455,005.9159

Angular separation (arcsec)

0.07940

Eq. Temperature

1,017K

(744 °C)

Insolation (S⊕)

178.70

Earth = 1.00

Earth Similarity (ESI)

0.254

0 = alien, 1 = Earth-identical

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

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-583

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,523 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

0.940 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.500 dex

Stellar density

1.526 g/cm³

Metallicity ratio

[Fe/H]

Distance

867.27 parsec

Light-years 2,828.66 ly

V-band magnitude

14.88 mag

Voyager-speed travel 49,883,353 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.124 mas

Total Proper Motion

13.702 mas/yr

PM Right Ascension

-0.84 mas/yr

PM Declination

13.68 mas/yr

Galactic Cartesian (pc)

x = 0.155 · y = -0.723 · z = 0.674

Equatorial (J2000)

RA 282.11132° · Dec 42.35455°

Galactic ℓ, b

71.783° · 18.409°

Ecliptic λ, β

291.431° · 64.895°

HTM-20 index

-1874181290