Key parameters at a glance

A radius of 3.05 Earth radii
A mass of 9.53 Earth masses
Surface gravity around 1.02 g
An orbital period of 8.981 days
Semi-major axis 0.0793 AU
Equilibrium temperature 880 K (607 °C)
Distance from Earth 1,287.68 light-years
Earth Similarity Index 0.265
Travel time at Voyager 1 speed 22,708,181 years

Kepler-463 b Planet Profile

Physical Specs

Radius

3.05 R⊕

Radius (Jupiter)

0.272 R♃

Mass

9.53 M⊕

Mass (Jupiter)

0.030 M♃

Density

1.85 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.265

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

#472of 1978

top 23.8%

This planet

3.05R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-791 b 3.05 R⊕ Kepler-1204 b 3.05 R⊕ HD 168009 b 3.05 R⊕

Metric	Earth	Kepler-463 b	Jupiter
Radius (R⊕)	1.00	3.05	11.21
Mass (M⊕)	1.00	9.53	317.83
Density (g/cm³)	5.51	1.85	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	166.04	0.037

Star Catalogue Identifiers

TIC

TIC 268481319

Gaia DR2

Gaia DR2 2079192121810035840

Gaia DR3

Gaia DR3 2079192121810035840

System

Kepler-463

Percentile among Sub-Neptune cohort

Radius 3.050 R⊕ · percentile 76 / cohort 1978

Mass 9.530 M⊕ · percentile 69 / cohort 1978

Orbital period 8.98 d · percentile 30 / cohort 1946

Distance 394.80 pc · percentile 41 / cohort 1975

ESI 0.265 · percentile 20 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

8.981 days

Semi-major axis

0.0793 AU

Eccentricity

0.000

Inclination

89.85 °

Year Length

A year here lasts approximately 8.98 Earth days (2.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0793 AU.

Transit Fingerprint

Depth

0.106 %

Duration

1.874 h

Impact parameter b

0.097

Rp / R★

0.031006

Transit midpoint (BJD)

2,454,969.6493

Photometric dip

Transit produces a flux drop of 1,059 ppm lasting ≈ 1.87 h.

Extended Orbital Architecture

Planet / star radius ratio

0.031006

Semi-major axis / stellar radius

38.070

Impact parameter (b)

0.097

Transit mid-time (BJD)

2,454,969.6493

Angular separation (arcsec)

0.20100

Eq. Temperature

880K

(607 °C)

Insolation (S⊕)

166.04

Earth = 1.00

Earth Similarity (ESI)

0.265

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-463

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,661 K — cooler than the Sun (5,778 K)

Estimated Age

7.41 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.900 R☉

Stellar Mass

0.870 M☉

Metallicity [Fe/H]

-0.28

Extended Stellar Properties

Surface gravity (log g)

4.470 dex

Stellar density

0.750 g/cm³

Systemic radial velocity

-60.26 km/s

Metallicity ratio

[Fe/H]

Distance

394.80 parsec

Light-years 1,287.68 ly

V-band magnitude

13.00 mag

Voyager-speed travel 22,708,181 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.504 mas

Total Proper Motion

37.082 mas/yr

PM Right Ascension

-35.45 mas/yr

PM Declination

-10.89 mas/yr

Galactic Cartesian (pc)

x = 0.343 · y = -0.620 · z = 0.705

Equatorial (J2000)

RA 298.93682° · Dec 44.85786°

Galactic ℓ, b

79.412° · 8.448°

Ecliptic λ, β

319.917° · 63.369°

HTM-20 index

1212934471