Key parameters at a glance

A radius of 1.05 Earth radii
A mass of 1.16 Earth masses
Surface gravity around 1.05 g
An orbital period of 7.811 days
Semi-major axis 0.0780 AU
Equilibrium temperature 906 K (633 °C)
Distance from Earth 2,249.87 light-years
Earth Similarity Index 0.359
Travel time at Voyager 1 speed 39,676,451 years

1 sibling around Kepler-163

Kepler-163 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-163 b this	Rocky Terrestrial	1.05	1.16	7.811	906	2014
Kepler-163 c	Sub-Neptune	2.26	5.73	21.347	648	2014

Kepler-163 b Planet Profile

Physical Specs

Radius

1.05 R⊕

Radius (Jupiter)

0.094 R♃

Mass

1.16 M⊕

Mass (Jupiter)

0.004 M♃

Density

5.51 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.359

HZ Position Inner

Controversial No

Discovery

Year 2014

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#279of 570

top 48.8%

This planet

1.05R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1376 b 1.05 R⊕ Kepler-625 c 1.05 R⊕ Kepler-1331 b 1.05 R⊕

Metric	Earth	Kepler-163 b	Jupiter
Radius (R⊕)	1.00	1.05	11.21
Mass (M⊕)	1.00	1.16	317.83
Density (g/cm³)	5.51	5.51	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	115.61	0.037

Star Catalogue Identifiers

TIC

TIC 271355638

Gaia DR2

Gaia DR2 2128525769736134016

Gaia DR3

Gaia DR3 2128525769736134016

System

Kepler-163

Percentile among Rocky Terrestrial cohort

Radius 1.050 R⊕ · percentile 50 / cohort 570

Mass 1.160 M⊕ · percentile 45 / cohort 570

Orbital period 7.81 d · percentile 72 / cohort 567

Distance 689.81 pc · percentile 79 / cohort 566

ESI 0.359 · percentile 52 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

7.811 days

Semi-major axis

0.0780 AU

Eccentricity

0.000

Inclination

85.78 °

Year Length

A year here lasts approximately 7.81 Earth days (2.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0780 AU.

Transit Fingerprint

Depth

0.013 %

Duration

3.359 h

Impact parameter b

0.550

Rp / R★

0.010640

Transit midpoint (BJD)

2,454,965.3043

Photometric dip

Transit produces a flux drop of 127 ppm lasting ≈ 3.36 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010640

Semi-major axis / stellar radius

18.960

Impact parameter (b)

0.550

Transit mid-time (BJD)

2,454,965.3043

Angular separation (arcsec)

0.11300

Eq. Temperature

906K

(633 °C)

Insolation (S⊕)

115.61

Earth = 1.00

Earth Similarity (ESI)

0.359

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

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Discovery cohort

Planets confirmed in 2014 at Kepler (12 shown).

Kepler-186 e · Super-Earth Kepler-395 c · Super-Earth Kepler-220 e · Super-Earth Kepler-249 d · Super-Earth Kepler-296 f · Super-Earth Kepler-367 c · Rocky Terrestrial Kepler-296 e · Super-Earth Kepler-155 c · Sub-Neptune Kepler-138 d · Super-Earth Kepler-333 c · Rocky Terrestrial Kepler-331 d · Super-Earth Kepler-267 d · Sub-Neptune

Host System: Kepler-163

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,776 K — cooler than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.917 R☉

Stellar Mass

0.882 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.524 dex

Stellar density

2.113 g/cm³

Metallicity ratio

[M/H]

Distance

689.81 parsec

Light-years 2,249.87 ly

V-band magnitude

14.47 mag

Voyager-speed travel 39,676,451 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.421 mas

Total Proper Motion

10.688 mas/yr

PM Right Ascension

-9.72 mas/yr

PM Declination

-4.44 mas/yr

Galactic Cartesian (pc)

x = 0.288 · y = -0.618 · z = 0.731

Equatorial (J2000)

RA 295.00275° · Dec 46.98734°

Galactic ℓ, b

79.973° · 11.871°

Ecliptic λ, β

316.210° · 66.460°

HTM-20 index

-1136644196