Key parameters at a glance

A radius of 2.73 Earth radii
A mass of 7.90 Earth masses
Surface gravity around 1.06 g
An orbital period of 11.361 days
Semi-major axis 0.1013 AU
Equilibrium temperature 869 K (596 °C)
Distance from Earth 3,196.44 light-years
Earth Similarity Index 0.281
Travel time at Voyager 1 speed 56,369,268 years

Kepler-836 b Planet Profile

Physical Specs

Radius

2.73 R⊕

Radius (Jupiter)

0.244 R♃

Mass

7.90 M⊕

Mass (Jupiter)

0.025 M♃

Density

2.13 g/cm³

Surface Gravity

1.06 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.281

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

#823of 1978

top 41.6%

This planet

2.73R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-436 b 2.73 R⊕ Kepler-506 b 2.73 R⊕ Kepler-221 d 2.73 R⊕

Metric	Earth	Kepler-836 b	Jupiter
Radius (R⊕)	1.00	2.73	11.21
Mass (M⊕)	1.00	7.90	317.83
Density (g/cm³)	5.51	2.13	1.33
Surface Gravity (g)	1.00	1.06	2.53
Insolation (S⊕)	1.00	135.80	0.037

Star Catalogue Identifiers

TIC

TIC 158486560

Gaia DR2

Gaia DR2 2130282789316404736

Gaia DR3

Gaia DR3 2130282789316404736

System

Kepler-836

Percentile among Sub-Neptune cohort

Radius 2.730 R⊕ · percentile 58 / cohort 1978

Mass 7.900 M⊕ · percentile 53 / cohort 1978

Orbital period 11.36 d · percentile 39 / cohort 1946

Distance 980.04 pc · percentile 77 / cohort 1975

ESI 0.281 · percentile 23 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

11.361 days

Semi-major axis

0.1013 AU

Eccentricity

0.000

Inclination

87.16 °

Year Length

A year here lasts approximately 11.36 Earth days (3.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1013 AU.

Transit Fingerprint

Depth

0.057 %

Duration

4.205 h

Impact parameter b

0.854

Rp / R★

0.024165

Transit midpoint (BJD)

2,454,969.9265

Photometric dip

Transit produces a flux drop of 570 ppm lasting ≈ 4.21 h.

Extended Orbital Architecture

Planet / star radius ratio

0.024165

Semi-major axis / stellar radius

11.500

Impact parameter (b)

0.854

Transit mid-time (BJD)

2,454,969.9265

Angular separation (arcsec)

0.10300

Eq. Temperature

869K

(596 °C)

Insolation (S⊕)

135.80

Earth = 1.00

Earth Similarity (ESI)

0.281

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-836

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,895 K — hotter than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.040 R☉

Stellar Mass

1.030 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.410 dex

Stellar density

0.477 g/cm³

Metallicity ratio

[Fe/H]

Distance

980.04 parsec

Light-years 3,196.44 ly

V-band magnitude

14.67 mag

Voyager-speed travel 56,369,268 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.992 mas

Total Proper Motion

2.885 mas/yr

PM Right Ascension

-2.50 mas/yr

PM Declination

1.44 mas/yr

Galactic Cartesian (pc)

x = 0.209 · y = -0.666 · z = 0.716

Equatorial (J2000)

RA 287.45277° · Dec 45.70440°

Galactic ℓ, b

76.515° · 16.057°

Ecliptic λ, β

302.674° · 67.174°

HTM-20 index

-1197640470