Key parameters at a glance

A radius of 1.52 Earth radii
A mass of 2.92 Earth masses
Surface gravity around 1.26 g
An orbital period of 15.605 days
Semi-major axis 0.1221 AU
Equilibrium temperature 1,013 K (740 °C)
Distance from Earth 1,802.17 light-years
Earth Similarity Index 0.293
Travel time at Voyager 1 speed 31,781,354 years

Kepler-1586 b Planet Profile

Physical Specs

Radius

1.52 R⊕

Radius (Jupiter)

0.136 R♃

Mass

2.92 M⊕

Mass (Jupiter)

0.009 M♃

Density

4.57 g/cm³

Surface Gravity

1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.293

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

#707of 1176

top 60.0%

This planet

1.52R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-65 d 1.52 R⊕ Kepler-348 b 1.52 R⊕ Kepler-306 b 1.52 R⊕

Metric	Earth	Kepler-1586 b	Jupiter
Radius (R⊕)	1.00	1.52	11.21
Mass (M⊕)	1.00	2.92	317.83
Density (g/cm³)	5.51	4.57	1.33
Surface Gravity (g)	1.00	1.26	2.53
Insolation (S⊕)	1.00	105.77	0.037

Star Catalogue Identifiers

TIC

TIC 273866337

Gaia DR2

Gaia DR2 2079298435140815360

Gaia DR3

Gaia DR3 2079298435140815360

System

Kepler-1586

Percentile among Super-Earth cohort

Radius 1.520 R⊕ · percentile 39 / cohort 1176

Mass 2.920 M⊕ · percentile 36 / cohort 1176

Orbital period 15.60 d · percentile 79 / cohort 1164

Distance 552.55 pc · percentile 50 / cohort 1171

ESI 0.293 · percentile 35 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

15.605 days

Semi-major axis

0.1221 AU

Eccentricity

0.000

Inclination

87.81 °

Year Length

A year here lasts approximately 15.60 Earth days (4.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1221 AU.

Transit Fingerprint

Depth

0.007 %

Duration

4.521 h

Impact parameter b

0.722

Rp / R★

0.008471

Transit midpoint (BJD)

2,454,964.9938

Photometric dip

Transit produces a flux drop of 73 ppm lasting ≈ 4.52 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008471

Semi-major axis / stellar radius

18.690

Impact parameter (b)

0.722

Transit mid-time (BJD)

2,454,964.9938

Angular separation (arcsec)

0.22100

Eq. Temperature

1,013K

(740 °C)

Insolation (S⊕)

105.77

Earth = 1.00

Earth Similarity (ESI)

0.293

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-1586

Spectral Class

F-type yellow-white

Effective Temperature

6,681 K — hotter than the Sun (5,778 K)

Estimated Age

1.70 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.750 R☉

Stellar Mass

1.450 M☉

Metallicity [Fe/H]

0.06

Extended Stellar Properties

Surface gravity (log g)

4.120 dex

Stellar density

0.680 g/cm³

Metallicity ratio

[Fe/H]

Distance

552.55 parsec

Light-years 1,802.17 ly

V-band magnitude

13.28 mag

Voyager-speed travel 31,781,354 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.781 mas

Total Proper Motion

7.581 mas/yr

PM Right Ascension

6.04 mas/yr

PM Declination

4.58 mas/yr

Galactic Cartesian (pc)

x = 0.335 · y = -0.624 · z = 0.706

Equatorial (J2000)

RA 298.20262° · Dec 44.92586°

Galactic ℓ, b

79.209° · 8.933°

Ecliptic λ, β

318.928° · 63.652°

HTM-20 index

1301028474