Key parameters at a glance

A radius of 1.68 Earth radii
A mass of 3.46 Earth masses
Surface gravity around 1.23 g
An orbital period of 5.792 days
Semi-major axis 0.0667 AU
Equilibrium temperature 1,222 K (949 °C)
Distance from Earth 3,083.65 light-years
Earth Similarity Index 0.231
Travel time at Voyager 1 speed 54,380,252 years

Kepler-1569 b Planet Profile

Physical Specs

Radius

1.68 R⊕

Radius (Jupiter)

0.150 R♃

Mass

3.46 M⊕

Mass (Jupiter)

0.011 M♃

Density

4.01 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.231

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

#435of 1176

top 36.9%

This planet

1.68R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-795 b 1.68 R⊕ Kepler-1449 b 1.68 R⊕ Kepler-188 b 1.68 R⊕

Metric	Earth	Kepler-1569 b	Jupiter
Radius (R⊕)	1.00	1.68	11.21
Mass (M⊕)	1.00	3.46	317.83
Density (g/cm³)	5.51	4.01	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	495.65	0.037

Star Catalogue Identifiers

TIC

TIC 137488218

Gaia DR2

Gaia DR2 2051721480924900224

Gaia DR3

Gaia DR3 2051721480924900224

System

Kepler-1569

Percentile among Super-Earth cohort

Radius 1.680 R⊕ · percentile 62 / cohort 1176

Mass 3.460 M⊕ · percentile 56 / cohort 1176

Orbital period 5.79 d · percentile 46 / cohort 1164

Distance 945.45 pc · percentile 78 / cohort 1171

ESI 0.231 · percentile 19 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

5.792 days

Semi-major axis

0.0667 AU

Eccentricity

0.000

Inclination

81.51 °

Year Length

A year here lasts approximately 5.79 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0667 AU.

Transit Fingerprint

Depth

0.012 %

Duration

3.273 h

Impact parameter b

0.163

Rp / R★

0.010505

Transit midpoint (BJD)

2,454,966.3578

Photometric dip

Transit produces a flux drop of 119 ppm lasting ≈ 3.27 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010505

Semi-major axis / stellar radius

13.500

Impact parameter (b)

0.163

Transit mid-time (BJD)

2,454,966.3578

Angular separation (arcsec)

0.07050

Eq. Temperature

1,222K

(949 °C)

Insolation (S⊕)

495.65

Earth = 1.00

Earth Similarity (ESI)

0.231

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-1569

Spectral Class

F-type yellow-white

Effective Temperature

6,319 K — hotter than the Sun (5,778 K)

Estimated Age

2.45 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.400 R☉

Stellar Mass

1.250 M☉

Metallicity [Fe/H]

0.06

Extended Stellar Properties

Surface gravity (log g)

4.240 dex

Stellar density

0.620 g/cm³

Metallicity ratio

[Fe/H]

Distance

945.45 parsec

Light-years 3,083.65 ly

V-band magnitude

14.12 mag

Voyager-speed travel 54,380,252 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.029 mas

Total Proper Motion

1.282 mas/yr

PM Right Ascension

-1.13 mas/yr

PM Declination

-0.60 mas/yr

Galactic Cartesian (pc)

x = 0.301 · y = -0.737 · z = 0.605

Equatorial (J2000)

RA 292.20467° · Dec 37.22121°

Galactic ℓ, b

70.174° · 9.250°

Ecliptic λ, β

304.623° · 58.021°

HTM-20 index

-2069659749