Key parameters at a glance

A radius of 1.69 Earth radii
A mass of 3.50 Earth masses
Surface gravity around 1.23 g
An orbital period of 7.169 days
Semi-major axis 0.0790 AU
Equilibrium temperature 1,187 K (914 °C)
Distance from Earth 1,854.77 light-years
Earth Similarity Index 0.238
Travel time at Voyager 1 speed 32,708,883 years

Kepler-853 b Planet Profile

Physical Specs

Radius

1.69 R⊕

Radius (Jupiter)

0.151 R♃

Mass

3.50 M⊕

Mass (Jupiter)

0.011 M♃

Density

3.98 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.238

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

#415of 1176

top 35.2%

This planet

1.69R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-372 d 1.69 R⊕ Kepler-968 c 1.69 R⊕ Kepler-269 c 1.69 R⊕

Metric	Earth	Kepler-853 b	Jupiter
Radius (R⊕)	1.00	1.69	11.21
Mass (M⊕)	1.00	3.50	317.83
Density (g/cm³)	5.51	3.98	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	499.30	0.037

Star Catalogue Identifiers

TIC

TIC 48419201

Gaia DR2

Gaia DR2 2131859244171951616

Gaia DR3

Gaia DR3 2131859244171951616

System

Kepler-853

Percentile among Super-Earth cohort

Radius 1.690 R⊕ · percentile 64 / cohort 1176

Mass 3.500 M⊕ · percentile 58 / cohort 1176

Orbital period 7.17 d · percentile 53 / cohort 1164

Distance 568.68 pc · percentile 52 / cohort 1171

ESI 0.238 · percentile 20 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

7.169 days

Semi-major axis

0.0790 AU

Eccentricity

0.000

Inclination

86.64 °

Year Length

A year here lasts approximately 7.17 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0790 AU.

Transit Fingerprint

Depth

0.011 %

Duration

4.591 h

Impact parameter b

0.390

Rp / R★

0.010051

Transit midpoint (BJD)

2,454,968.6788

Photometric dip

Transit produces a flux drop of 112 ppm lasting ≈ 4.59 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010051

Semi-major axis / stellar radius

11.100

Impact parameter (b)

0.390

Transit mid-time (BJD)

2,454,968.6788

Angular separation (arcsec)

0.13900

Eq. Temperature

1,187K

(914 °C)

Insolation (S⊕)

499.30

Earth = 1.00

Earth Similarity (ESI)

0.238

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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-853

Spectral Class

F-type yellow-white

Effective Temperature

6,350 K — hotter than the Sun (5,778 K)

Estimated Age

2.69 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.550 R☉

Stellar Mass

1.300 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.170 dex

Stellar density

0.440 g/cm³

Systemic radial velocity

-17.81 km/s

Metallicity ratio

[Fe/H]

Distance

568.68 parsec

Light-years 1,854.77 ly

V-band magnitude

12.34 mag

Voyager-speed travel 32,708,883 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.730 mas

Total Proper Motion

4.973 mas/yr

PM Right Ascension

-3.69 mas/yr

PM Declination

-3.33 mas/yr

Galactic Cartesian (pc)

x = 0.158 · y = -0.635 · z = 0.756

Equatorial (J2000)

RA 283.93678° · Dec 49.11027°

Galactic ℓ, b

78.960° · 19.497°

Ecliptic λ, β

299.188° · 71.140°

HTM-20 index

1807331501