Key parameters at a glance

A radius of 10.24 Earth radii
A mass of 74.50 Earth masses
Surface gravity around 0.71 g
An orbital period of 10.507 days
Semi-major axis 0.0895 AU
Equilibrium temperature 668 K (395 °C)
Distance from Earth 3,208.39 light-years
Earth Similarity Index 0.200
Travel time at Voyager 1 speed 56,579,898 years

Kepler-816 b Planet Profile

Physical Specs

Radius

10.24 R⊕

Radius (Jupiter)

0.914 R♃

Mass

74.50 M⊕

Mass (Jupiter)

0.234 M♃

Density

0.38 g/cm³

Surface Gravity

0.71 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.200

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

#1749of 1771

top 98.7%

This planet

10.24R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HATS-5 b 10.22 R⊕ TOI-5349 b 10.20 R⊕ Kepler-693 b 10.18 R⊕

Metric	Earth	Kepler-816 b	Jupiter
Radius (R⊕)	1.00	10.24	11.21
Mass (M⊕)	1.00	74.50	317.83
Density (g/cm³)	5.51	0.38	1.33
Surface Gravity (g)	1.00	0.71	2.53
Insolation (S⊕)	1.00	50.56	0.037

Star Catalogue Identifiers

TIC

TIC 138105127

Gaia DR2

Gaia DR2 2052356964290178048

Gaia DR3

Gaia DR3 2052356964290178048

System

Kepler-816

Percentile among Gas Giant cohort

Radius 10.240 R⊕ · percentile 1 / cohort 1771

Mass 74.500 M⊕ · percentile 2 / cohort 1747

Orbital period 10.51 d · percentile 45 / cohort 1533

Distance 983.70 pc · percentile 86 / cohort 1759

ESI 0.200 · percentile 40 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

10.507 days

Semi-major axis

0.0895 AU

Eccentricity

0.000

Inclination

88.93 °

Year Length

A year here lasts approximately 10.51 Earth days (2.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0895 AU.

Transit Fingerprint

Depth

1.336 %

Duration

3.743 h

Impact parameter b

0.407

Rp / R★

0.109971

Transit midpoint (BJD)

2,455,193.0825

Photometric dip

Transit produces a flux drop of 13,356 ppm lasting ≈ 3.74 h.

Extended Orbital Architecture

Planet / star radius ratio

0.109971

Semi-major axis / stellar radius

23.801

Impact parameter (b)

0.407

Transit mid-time (BJD)

2,455,193.0825

Angular separation (arcsec)

0.09100

Eq. Temperature

668K

(395 °C)

Insolation (S⊕)

50.56

Earth = 1.00

Earth Similarity (ESI)

0.200

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-816

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,286 K — cooler than the Sun (5,778 K)

Estimated Age

4.17 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.850 R☉

Stellar Mass

0.900 M☉

Metallicity [Fe/H]

0.16

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

2.310 g/cm³

Metallicity ratio

[Fe/H]

Distance

983.70 parsec

Light-years 3,208.39 ly

V-band magnitude

16.37 mag

Voyager-speed travel 56,579,898 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.990 mas

Total Proper Motion

0.859 mas/yr

PM Right Ascension

-0.46 mas/yr

PM Declination

0.73 mas/yr

Galactic Cartesian (pc)

x = 0.307 · y = -0.711 · z = 0.632

Equatorial (J2000)

RA 293.36282° · Dec 39.21244°

Galactic ℓ, b

72.389° · 9.356°

Ecliptic λ, β

307.448° · 59.651°

HTM-20 index

1258794642