Key parameters at a glance

A radius of 2.94 Earth radii
A mass of 8.96 Earth masses
Surface gravity around 1.04 g
An orbital period of 15.726 days
Semi-major axis 0.1171 AU
Equilibrium temperature 602 K (329 °C)
Distance from Earth 3,689.44 light-years
Earth Similarity Index 0.393
Travel time at Voyager 1 speed 65,063,342 years

Kepler-67 b Planet Profile

Physical Specs

Radius

2.94 R⊕

Radius (Jupiter)

0.262 R♃

Mass

8.96 M⊕

Mass (Jupiter)

0.028 M♃

Density

1.94 g/cm³

Surface Gravity

1.04 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.393

HZ Position Inner

Controversial No

Discovery

Year 2013

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#570of 1978

top 28.8%

This planet

2.94R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-210 b 2.94 R⊕ Kepler-1041 b 2.94 R⊕ Kepler-58 d 2.94 R⊕

Metric	Earth	Kepler-67 b	Jupiter
Radius (R⊕)	1.00	2.94	11.21
Mass (M⊕)	1.00	8.96	317.83
Density (g/cm³)	5.51	1.94	1.33
Surface Gravity (g)	1.00	1.04	2.53
Insolation (S⊕)	1.00	30.60	0.037

Star Catalogue Identifiers

TIC

TIC 270855225

Gaia DR2

Gaia DR2 2128112181565948800

Gaia DR3

Gaia DR3 2128112181565948800

System

Kepler-67

Percentile among Sub-Neptune cohort

Radius 2.940 R⊕ · percentile 71 / cohort 1978

Mass 8.960 M⊕ · percentile 65 / cohort 1978

Orbital period 15.73 d · percentile 52 / cohort 1946

Distance 1,131.19 pc · percentile 84 / cohort 1975

ESI 0.393 · percentile 51 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

15.726 days

Semi-major axis

0.1171 AU

Eccentricity

0.000

Inclination

89.78 °

Year Length

A year here lasts approximately 15.73 Earth days (4.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1171 AU.

Transit Fingerprint

Depth

0.142 %

Duration

3.839 h

Impact parameter b

0.370

Rp / R★

0.034510

Transit midpoint (BJD)

2,454,966.9855

Photometric dip

Transit produces a flux drop of 1,423 ppm lasting ≈ 3.84 h.

Extended Orbital Architecture

Planet / star radius ratio

0.034510

Semi-major axis / stellar radius

32.400

Impact parameter (b)

0.370

Transit mid-time (BJD)

2,454,966.9855

Angular separation (arcsec)

0.10400

Eq. Temperature

602K

(329 °C)

Insolation (S⊕)

30.60

Earth = 1.00

Earth Similarity (ESI)

0.393

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

Meibom et al. 2013

Instrument

Kepler CCD Array

Publication

2013-07

Observation locale

Space

Discovery cohort

Planets confirmed in 2013 at Kepler (12 shown).

Kepler-69 c · Super-Earth Kepler-61 b · Sub-Neptune Kepler-62 e · Super-Earth KOI-351 f · Sub-Neptune Kepler-62 f · Super-Earth KOI-351 e · Sub-Neptune Kepler-1704 b · Gas Giant Kepler-37 d · Sub-Neptune Kepler-282 e · Sub-Neptune KOI-351 h · Gas Giant KOI-351 d · Sub-Neptune Kepler-114 c · Super-Earth

Host System: Kepler-67

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,331 K — cooler than the Sun (5,778 K)

Estimated Age

1.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.778 R☉

Stellar Mass

0.865 M☉

Metallicity [Fe/H]

-0.20

Extended Stellar Properties

Surface gravity (log g)

4.594 dex

Stellar density

2.660 g/cm³

Metallicity ratio

[M/H]

Distance

1,131.19 parsec

Light-years 3,689.44 ly

V-band magnitude

16.17 mag

Voyager-speed travel 65,063,342 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.858 mas

Total Proper Motion

9.330 mas/yr

PM Right Ascension

-3.42 mas/yr

PM Declination

-8.68 mas/yr

Galactic Cartesian (pc)

x = 0.283 · y = -0.632 · z = 0.721

Equatorial (J2000)

RA 294.15335° · Dec 46.16640°

Galactic ℓ, b

78.955° · 12.018°

Ecliptic λ, β

314.055° · 65.951°

HTM-20 index

-1523947551