Key parameters at a glance

A radius of 2.79 Earth radii
A mass of 8.20 Earth masses
Surface gravity around 1.05 g
An orbital period of 11.419 days
Semi-major axis 0.1070 AU
Equilibrium temperature 921 K (648 °C)
Distance from Earth 7,848.39 light-years
Earth Similarity Index 0.262
Travel time at Voyager 1 speed 138,406,344 years

Kepler-835 b Planet Profile

Physical Specs

Radius

2.79 R⊕

Radius (Jupiter)

0.249 R♃

Mass

8.20 M⊕

Mass (Jupiter)

0.026 M♃

Density

2.07 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.262

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

#754of 1978

top 38.1%

This planet

2.79R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

AU Mic c 2.79 R⊕ Kepler-150 d 2.79 R⊕ Kepler-192 c 2.79 R⊕

Metric	Earth	Kepler-835 b	Jupiter
Radius (R⊕)	1.00	2.79	11.21
Mass (M⊕)	1.00	8.20	317.83
Density (g/cm³)	5.51	2.07	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	170.33	0.037

Star Catalogue Identifiers

TIC

TIC 164527012

Gaia DR2

Gaia DR2 2107026774059090304

Gaia DR3

Gaia DR3 2107026778358609792

System

Kepler-835

Percentile among Sub-Neptune cohort

Radius 2.790 R⊕ · percentile 61 / cohort 1978

Mass 8.200 M⊕ · percentile 56 / cohort 1978

Orbital period 11.42 d · percentile 40 / cohort 1946

Distance 2,406.33 pc · percentile 98 / cohort 1975

ESI 0.262 · percentile 19 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

11.419 days

Semi-major axis

0.1070 AU

Eccentricity

0.000

Inclination

81.99 °

Year Length

A year here lasts approximately 11.42 Earth days (3.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1070 AU.

Transit Fingerprint

Depth

0.051 %

Duration

4.382 h

Impact parameter b

0.457

Rp / R★

0.022805

Transit midpoint (BJD)

2,455,019.3097

Photometric dip

Transit produces a flux drop of 509 ppm lasting ≈ 4.38 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022805

Semi-major axis / stellar radius

6.790

Impact parameter (b)

0.457

Transit mid-time (BJD)

2,455,019.3097

Angular separation (arcsec)

0.04450

Eq. Temperature

921K

(648 °C)

Insolation (S⊕)

170.33

Earth = 1.00

Earth Similarity (ESI)

0.262

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-835

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,954 K — hotter than the Sun (5,778 K)

Estimated Age

3.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.110 R☉

Stellar Mass

1.080 M☉

Metallicity [Fe/H]

0.08

Extended Stellar Properties

Surface gravity (log g)

4.380 dex

Stellar density

0.879 g/cm³

Metallicity ratio

[Fe/H]

Distance

2,406.33 parsec

Light-years 7,848.39 ly

V-band magnitude

16.06 mag

Voyager-speed travel 138,406,344 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.383 mas

Total Proper Motion

7.526 mas/yr

PM Right Ascension

-2.61 mas/yr

PM Declination

-7.06 mas/yr

Galactic Cartesian (pc)

x = 0.164 · y = -0.678 · z = 0.716

Equatorial (J2000)

RA 283.57422° · Dec 45.73480°

Galactic ℓ, b

75.511° · 18.590°

Ecliptic λ, β

295.878° · 67.958°

HTM-20 index

328305029