Key parameters at a glance

A radius of 1.72 Earth radii
A mass of 3.61 Earth masses
Surface gravity around 1.22 g
An orbital period of 9.115 days
Semi-major axis 0.0866 AU
Equilibrium temperature 906 K (633 °C)
Distance from Earth 2,712.59 light-years
Earth Similarity Index 0.318
Travel time at Voyager 1 speed 47,836,531 years

Kepler-927 b Planet Profile

Physical Specs

Radius

1.72 R⊕

Radius (Jupiter)

0.153 R♃

Mass

3.61 M⊕

Mass (Jupiter)

0.011 M♃

Density

3.90 g/cm³

Surface Gravity

1.22 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.318

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

#373of 1176

top 31.6%

This planet

1.72R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

HD 20329 b 1.72 R⊕ Kepler-404 c 1.72 R⊕ Kepler-560 b 1.72 R⊕

Metric	Earth	Kepler-927 b	Jupiter
Radius (R⊕)	1.00	1.72	11.21
Mass (M⊕)	1.00	3.61	317.83
Density (g/cm³)	5.51	3.90	1.33
Surface Gravity (g)	1.00	1.22	2.53
Insolation (S⊕)	1.00	129.53	0.037

Star Catalogue Identifiers

TIC

TIC 122066280

Gaia DR2

Gaia DR2 2101480188876308480

Gaia DR3

Gaia DR3 2101480188876308480

System

Kepler-927

Percentile among Super-Earth cohort

Radius 1.720 R⊕ · percentile 68 / cohort 1176

Mass 3.610 M⊕ · percentile 62 / cohort 1176

Orbital period 9.11 d · percentile 62 / cohort 1164

Distance 831.69 pc · percentile 70 / cohort 1171

ESI 0.318 · percentile 41 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

9.115 days

Semi-major axis

0.0866 AU

Eccentricity

0.000

Inclination

86.67 °

Year Length

A year here lasts approximately 9.11 Earth days (2.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0866 AU.

Transit Fingerprint

Depth

0.030 %

Duration

4.485 h

Impact parameter b

0.019

Rp / R★

0.015831

Transit midpoint (BJD)

2,454,966.9762

Photometric dip

Transit produces a flux drop of 301 ppm lasting ≈ 4.49 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015831

Semi-major axis / stellar radius

15.779

Impact parameter (b)

0.019

Transit mid-time (BJD)

2,454,966.9762

Angular separation (arcsec)

0.10400

Eq. Temperature

906K

(633 °C)

Insolation (S⊕)

129.53

Earth = 1.00

Earth Similarity (ESI)

0.318

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-927

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,743 K — cooler than the Sun (5,778 K)

Estimated Age

4.37 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.990 R☉

Stellar Mass

0.990 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.450 dex

Stellar density

0.895 g/cm³

Metallicity ratio

[Fe/H]

Distance

831.69 parsec

Light-years 2,712.59 ly

V-band magnitude

14.82 mag

Voyager-speed travel 47,836,531 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.174 mas

Total Proper Motion

6.652 mas/yr

PM Right Ascension

-2.87 mas/yr

PM Declination

-6.00 mas/yr

Galactic Cartesian (pc)

x = 0.249 · y = -0.708 · z = 0.661

Equatorial (J2000)

RA 289.38348° · Dec 41.39267°

Galactic ℓ, b

73.019° · 13.041°

Ecliptic λ, β

302.802° · 62.642°

HTM-20 index

-1370664619