Key parameters at a glance

A radius of 2.64 Earth radii
A mass of 7.46 Earth masses
Surface gravity around 1.07 g
An orbital period of 17.133 days
Semi-major axis 0.1242 AU
Equilibrium temperature 611 K (338 °C)
Distance from Earth 3,080.36 light-years
Earth Similarity Index 0.405
Travel time at Voyager 1 speed 54,322,217 years

Kepler-1134 b Planet Profile

Physical Specs

Radius

2.64 R⊕

Radius (Jupiter)

0.236 R♃

Mass

7.46 M⊕

Mass (Jupiter)

0.024 M♃

Density

2.23 g/cm³

Surface Gravity

1.07 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.405

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

#958of 1978

top 48.4%

This planet

2.64R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

TOI-421 b 2.64 R⊕ Kepler-635 b 2.64 R⊕ Kepler-571 b 2.64 R⊕

Metric	Earth	Kepler-1134 b	Jupiter
Radius (R⊕)	1.00	2.64	11.21
Mass (M⊕)	1.00	7.46	317.83
Density (g/cm³)	5.51	2.23	1.33
Surface Gravity (g)	1.00	1.07	2.53
Insolation (S⊕)	1.00	29.86	0.037

Star Catalogue Identifiers

TIC

TIC 271758442

Gaia DR2

Gaia DR2 2077892640805120128

Gaia DR3

Gaia DR3 2077892640805120128

System

Kepler-1134

Percentile among Sub-Neptune cohort

Radius 2.640 R⊕ · percentile 51 / cohort 1978

Mass 7.460 M⊕ · percentile 47 / cohort 1978

Orbital period 17.13 d · percentile 56 / cohort 1946

Distance 944.45 pc · percentile 75 / cohort 1975

ESI 0.405 · percentile 53 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

17.133 days

Semi-major axis

0.1242 AU

Eccentricity

0.000

Inclination

89.59 °

Year Length

A year here lasts approximately 17.13 Earth days (4.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1242 AU.

Transit Fingerprint

Depth

0.085 %

Duration

3.054 h

Impact parameter b

0.298

Rp / R★

0.029805

Transit midpoint (BJD)

2,454,980.1548

Photometric dip

Transit produces a flux drop of 850 ppm lasting ≈ 3.05 h.

Extended Orbital Architecture

Planet / star radius ratio

0.029805

Semi-major axis / stellar radius

42.090

Impact parameter (b)

0.298

Transit mid-time (BJD)

2,454,980.1548

Angular separation (arcsec)

0.13200

Eq. Temperature

611K

(338 °C)

Insolation (S⊕)

29.86

Earth = 1.00

Earth Similarity (ESI)

0.405

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-1134

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,281 K — cooler than the Sun (5,778 K)

Estimated Age

4.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.810 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

4.805 g/cm³

Metallicity ratio

[Fe/H]

Distance

944.45 parsec

Light-years 3,080.36 ly

V-band magnitude

16.23 mag

Voyager-speed travel 54,322,217 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.031 mas

Total Proper Motion

45.591 mas/yr

PM Right Ascension

-23.99 mas/yr

PM Declination

-38.77 mas/yr

Galactic Cartesian (pc)

x = 0.318 · y = -0.665 · z = 0.675

Equatorial (J2000)

RA 295.56786° · Dec 42.47811°

Galactic ℓ, b

76.105° · 9.412°

Ecliptic λ, β

312.959° · 62.157°

HTM-20 index

-1554044705