Key parameters at a glance

A radius of 1.80 Earth radii
A mass of 3.89 Earth masses
Surface gravity around 1.20 g
An orbital period of 14.888 days
Semi-major axis 0.1115 AU
Equilibrium temperature 831 K (558 °C)
Distance from Earth 2,211.56 light-years
Earth Similarity Index 0.343
Travel time at Voyager 1 speed 39,000,907 years

Kepler-1327 b Planet Profile

Physical Specs

Radius

1.80 R⊕

Radius (Jupiter)

0.161 R♃

Mass

3.89 M⊕

Mass (Jupiter)

0.012 M♃

Density

3.67 g/cm³

Surface Gravity

1.20 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.343

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

#253of 1176

top 21.4%

This planet

1.80R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

PSR B1257+12 d 1.80 R⊕ Kepler-11 b 1.80 R⊕ Kepler-148 b 1.80 R⊕

Metric	Earth	Kepler-1327 b	Jupiter
Radius (R⊕)	1.00	1.80	11.21
Mass (M⊕)	1.00	3.89	317.83
Density (g/cm³)	5.51	3.67	1.33
Surface Gravity (g)	1.00	1.20	2.53
Insolation (S⊕)	1.00	79.90	0.037

Star Catalogue Identifiers

TIC

TIC 299153388

Gaia DR2

Gaia DR2 2133108190601426176

Gaia DR3

Gaia DR3 2133108190601426176

System

Kepler-1327

Percentile among Super-Earth cohort

Radius 1.800 R⊕ · percentile 77 / cohort 1176

Mass 3.890 M⊕ · percentile 71 / cohort 1176

Orbital period 14.89 d · percentile 78 / cohort 1164

Distance 678.07 pc · percentile 60 / cohort 1171

ESI 0.343 · percentile 49 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

14.888 days

Semi-major axis

0.1115 AU

Eccentricity

0.000

Inclination

86.85 °

Year Length

A year here lasts approximately 14.89 Earth days (4.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1115 AU.

Transit Fingerprint

Depth

0.026 %

Duration

5.062 h

Impact parameter b

0.650

Rp / R★

0.015573

Transit midpoint (BJD)

2,454,974.9376

Photometric dip

Transit produces a flux drop of 261 ppm lasting ≈ 5.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015573

Semi-major axis / stellar radius

14.470

Impact parameter (b)

0.650

Transit mid-time (BJD)

2,454,974.9376

Angular separation (arcsec)

0.16400

Eq. Temperature

831K

(558 °C)

Insolation (S⊕)

79.90

Earth = 1.00

Earth Similarity (ESI)

0.343

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-1327

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,885 K — hotter than the Sun (5,778 K)

Estimated Age

4.07 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.030 R☉

Stellar Mass

1.020 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.420 dex

Stellar density

0.760 g/cm³

Metallicity ratio

[Fe/H]

Distance

678.07 parsec

Light-years 2,211.56 ly

V-band magnitude

13.97 mag

Voyager-speed travel 39,000,907 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.446 mas

Total Proper Motion

23.521 mas/yr

PM Right Ascension

-11.41 mas/yr

PM Declination

-20.57 mas/yr

Galactic Cartesian (pc)

x = 0.208 · y = -0.602 · z = 0.771

Equatorial (J2000)

RA 289.06481° · Dec 50.46092°

Galactic ℓ, b

81.527° · 16.882°

Ecliptic λ, β

310.287° · 71.243°

HTM-20 index

190200977