Key parameters at a glance

A radius of 1.81 Earth radii
A mass of 3.93 Earth masses
Surface gravity around 1.20 g
An orbital period of 6.003 days
Semi-major axis 0.0670 AU
Equilibrium temperature 1,209 K (936 °C)
Distance from Earth 2,028.22 light-years
Earth Similarity Index 0.228
Travel time at Voyager 1 speed 35,767,612 years

1 sibling around Kepler-135

Kepler-135 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-135 b this	Super-Earth	1.81	3.93	6.003	1,209	2014
Kepler-135 c	Rocky Terrestrial	1.16	1.65	11.449	975	2014

Kepler-135 b Planet Profile

Physical Specs

Radius

1.81 R⊕

Radius (Jupiter)

0.161 R♃

Mass

3.93 M⊕

Mass (Jupiter)

0.012 M♃

Density

3.64 g/cm³

Surface Gravity

1.20 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.228

HZ Position Inner

Controversial No

Discovery

Year 2014

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#248of 1176

top 21.0%

This planet

1.81R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1162 c 1.81 R⊕ Kepler-356 c 1.81 R⊕ Kepler-1884 b 1.81 R⊕

Metric	Earth	Kepler-135 b	Jupiter
Radius (R⊕)	1.00	1.81	11.21
Mass (M⊕)	1.00	3.93	317.83
Density (g/cm³)	5.51	3.64	1.33
Surface Gravity (g)	1.00	1.20	2.53
Insolation (S⊕)	1.00	496.68	0.037

Star Catalogue Identifiers

TIC

TIC 122450088

Gaia DR2

Gaia DR2 2052857860550101376

Gaia DR3

Gaia DR3 2052857860550101376

System

Kepler-135

Percentile among Super-Earth cohort

Radius 1.810 R⊕ · percentile 79 / cohort 1176

Mass 3.930 M⊕ · percentile 72 / cohort 1176

Orbital period 6.00 d · percentile 47 / cohort 1164

Distance 621.86 pc · percentile 56 / cohort 1171

ESI 0.228 · percentile 18 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

6.003 days

Semi-major axis

0.0670 AU

Eccentricity

0.000

Inclination

79.39 °

Year Length

A year here lasts approximately 6.00 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0670 AU.

Transit Fingerprint

Depth

0.020 %

Duration

3.952 h

Impact parameter b

0.000

Rp / R★

0.013170

Transit midpoint (BJD)

2,455,004.7161

Photometric dip

Transit produces a flux drop of 202 ppm lasting ≈ 3.95 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013170

Semi-major axis / stellar radius

11.834

Impact parameter (b)

0.000

Transit mid-time (BJD)

2,455,004.7161

Angular separation (arcsec)

0.10800

Eq. Temperature

1,209K

(936 °C)

Insolation (S⊕)

496.68

Earth = 1.00

Earth Similarity (ESI)

0.228

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Discovery cohort

Planets confirmed in 2014 at Kepler (12 shown).

Kepler-186 e · Super-Earth Kepler-395 c · Super-Earth Kepler-220 e · Super-Earth Kepler-249 d · Super-Earth Kepler-296 f · Super-Earth Kepler-367 c · Rocky Terrestrial Kepler-296 e · Super-Earth Kepler-155 c · Sub-Neptune Kepler-138 d · Super-Earth Kepler-333 c · Rocky Terrestrial Kepler-331 d · Super-Earth Kepler-267 d · Sub-Neptune

Host System: Kepler-135

Spectral Class

F-type yellow-white

Effective Temperature

6,090 K — hotter than the Sun (5,778 K)

Estimated Age

2.62 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.275 R☉

Stellar Mass

1.047 M☉

Metallicity [Fe/H]

-0.11

Extended Stellar Properties

Surface gravity (log g)

4.271 dex

Stellar density

0.380 g/cm³

Metallicity ratio

[M/H]

Distance

621.86 parsec

Light-years 2,028.22 ly

V-band magnitude

12.79 mag

Voyager-speed travel 35,767,612 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.580 mas

Total Proper Motion

6.488 mas/yr

PM Right Ascension

-2.43 mas/yr

PM Declination

6.02 mas/yr

Galactic Cartesian (pc)

x = 0.273 · y = -0.730 · z = 0.627

Equatorial (J2000)

RA 290.49509° · Dec 38.79550°

Galactic ℓ, b

70.992° · 11.159°

Ecliptic λ, β

302.972° · 59.910°

HTM-20 index

1888872091