Key parameters at a glance

A radius of 1.61 Earth radii
A mass of 3.22 Earth masses
Surface gravity around 1.24 g
An orbital period of 13.400 days
Semi-major axis 0.1168 AU
Equilibrium temperature 886 K (613 °C)
Distance from Earth 4,619.38 light-years
Earth Similarity Index 0.332
Travel time at Voyager 1 speed 81,462,763 years

Kepler-1584 b Planet Profile

Physical Specs

Radius

1.61 R⊕

Radius (Jupiter)

0.144 R♃

Mass

3.22 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.24 g/cm³

Surface Gravity

1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.332

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

#550of 1176

top 46.7%

This planet

1.61R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-62 e 1.61 R⊕ Kepler-149 c 1.61 R⊕ Kepler-140 b 1.61 R⊕

Metric	Earth	Kepler-1584 b	Jupiter
Radius (R⊕)	1.00	1.61	11.21
Mass (M⊕)	1.00	3.22	317.83
Density (g/cm³)	5.51	4.24	1.33
Surface Gravity (g)	1.00	1.24	2.53
Insolation (S⊕)	1.00	162.54	0.037

Star Catalogue Identifiers

TIC

TIC 158556108

Gaia DR2

Gaia DR2 2102976383681783552

Gaia DR3

Gaia DR3 2102976383681783552

System

Kepler-1584

Percentile among Super-Earth cohort

Radius 1.610 R⊕ · percentile 52 / cohort 1176

Mass 3.220 M⊕ · percentile 47 / cohort 1176

Orbital period 13.40 d · percentile 74 / cohort 1164

Distance 1,416.31 pc · percentile 94 / cohort 1171

ESI 0.332 · percentile 46 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

13.400 days

Semi-major axis

0.1168 AU

Eccentricity

0.000

Inclination

89.21 °

Year Length

A year here lasts approximately 13.40 Earth days (3.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1168 AU.

Transit Fingerprint

Depth

0.017 %

Duration

3.532 h

Impact parameter b

0.375

Rp / R★

0.012505

Transit midpoint (BJD)

2,454,964.8474

Photometric dip

Transit produces a flux drop of 167 ppm lasting ≈ 3.53 h.

Extended Orbital Architecture

Planet / star radius ratio

0.012505

Semi-major axis / stellar radius

27.230

Impact parameter (b)

0.375

Transit mid-time (BJD)

2,454,964.8474

Angular separation (arcsec)

0.08250

Eq. Temperature

886K

(613 °C)

Insolation (S⊕)

162.54

Earth = 1.00

Earth Similarity (ESI)

0.332

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-1584

Spectral Class

F-type yellow-white

Effective Temperature

6,069 K — hotter than the Sun (5,778 K)

Estimated Age

3.31 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.130 R☉

Stellar Mass

1.100 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.370 dex

Stellar density

1.988 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,416.31 parsec

Light-years 4,619.38 ly

V-band magnitude

15.11 mag

Voyager-speed travel 81,462,763 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.677 mas

Total Proper Motion

9.294 mas/yr

PM Right Ascension

0.87 mas/yr

PM Declination

-9.25 mas/yr

Galactic Cartesian (pc)

x = 0.222 · y = -0.693 · z = 0.685

Equatorial (J2000)

RA 287.76268° · Dec 43.27439°

Galactic ℓ, b

74.284° · 14.903°

Ecliptic λ, β

301.425° · 64.788°

HTM-20 index

25471365