Key parameters at a glance

A radius of 1.16 Earth radii
A mass of 1.65 Earth masses
Surface gravity around 1.23 g
An orbital period of 11.449 days
Semi-major axis 0.1030 AU
Equilibrium temperature 975 K (702 °C)
Distance from Earth 2,028.22 light-years
Earth Similarity Index 0.323
Travel time at Voyager 1 speed 35,767,612 years

1 sibling around Kepler-135

Kepler-135 c 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	Super-Earth	1.81	3.93	6.003	1,209	2014
Kepler-135 c this	Rocky Terrestrial	1.16	1.65	11.449	975	2014

Kepler-135 c Planet Profile

Physical Specs

Radius

1.16 R⊕

Radius (Jupiter)

0.103 R♃

Mass

1.65 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.81 g/cm³

Surface Gravity

1.23 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.323

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

#147of 570

top 25.6%

This planet

1.16R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-363 b 1.16 R⊕ OGLE-2013-BLG-0341L B b 1.16 R⊕ Kepler-316 c 1.16 R⊕

Metric	Earth	Kepler-135 c	Jupiter
Radius (R⊕)	1.00	1.16	11.21
Mass (M⊕)	1.00	1.65	317.83
Density (g/cm³)	5.51	5.81	1.33
Surface Gravity (g)	1.00	1.23	2.53
Insolation (S⊕)	1.00	209.97	0.037

Star Catalogue Identifiers

TIC

TIC 122450088

Gaia DR2

Gaia DR2 2052857860550101376

Gaia DR3

Gaia DR3 2052857860550101376

System

Kepler-135

Percentile among Rocky Terrestrial cohort

Radius 1.160 R⊕ · percentile 73 / cohort 570

Mass 1.650 M⊕ · percentile 66 / cohort 570

Orbital period 11.45 d · percentile 82 / cohort 567

Distance 621.86 pc · percentile 75 / cohort 566

ESI 0.323 · percentile 44 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

11.449 days

Semi-major axis

0.1030 AU

Eccentricity

0.000

Inclination

85.42 °

Year Length

A year here lasts approximately 11.45 Earth days (3.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1030 AU.

Transit Fingerprint

Depth

0.008 %

Duration

5.047 h

Impact parameter b

0.570

Rp / R★

0.008071

Transit midpoint (BJD)

2,454,974.3870

Photometric dip

Transit produces a flux drop of 75 ppm lasting ≈ 5.05 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008071

Semi-major axis / stellar radius

15.400

Impact parameter (b)

0.570

Transit mid-time (BJD)

2,454,974.3870

Angular separation (arcsec)

0.16600

Eq. Temperature

975K

(702 °C)

Insolation (S⊕)

209.97

Earth = 1.00

Earth Similarity (ESI)

0.323

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

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