Key parameters at a glance

A radius of 0.87 Earth radii
A mass of 0.59 Earth masses
Surface gravity around 0.78 g
An orbital period of 0.638 days
Semi-major axis 0.0137 AU
Equilibrium temperature 1,874 K (1601 °C)
Distance from Earth 1,693.15 light-years
Earth Similarity Index 0.151
Travel time at Voyager 1 speed 29,858,655 years
Almost certainly tidally locked to its host star given the close orbit

1 sibling around Kepler-607

Kepler-607 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-607 b this	Rocky Terrestrial	0.87	0.59	0.638	1,874	2016
Kepler-607 c	Sub-Neptune	2.76	8.05	39.677	473	2021

Kepler-607 b Planet Profile

Physical Specs

Radius

0.87 R⊕

Radius (Jupiter)

0.078 R♃

Mass

0.59 M⊕

Mass (Jupiter)

0.002 M♃

Density

4.92 g/cm³

Surface Gravity

0.78 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.151

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

#435of 570

top 76.1%

This planet

0.87R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1152 b 0.87 R⊕ Kepler-1031 b 0.87 R⊕ Kepler-1542 d 0.87 R⊕

Metric	Earth	Kepler-607 b	Jupiter
Radius (R⊕)	1.00	0.87	11.21
Mass (M⊕)	1.00	0.59	317.83
Density (g/cm³)	5.51	4.92	1.33
Surface Gravity (g)	1.00	0.78	2.53
Insolation (S⊕)	1.00	2,302.61	0.037

Star Catalogue Identifiers

TIC

TIC 159579593

Gaia DR2

Gaia DR2 2126248505058677120

Gaia DR3

Gaia DR3 2126248505058677120

System

Kepler-607

Percentile among Rocky Terrestrial cohort

Radius 0.870 R⊕ · percentile 23 / cohort 570

Mass 0.590 M⊕ · percentile 19 / cohort 570

Orbital period 0.64 d · percentile 4 / cohort 567

Distance 519.12 pc · percentile 66 / cohort 566

ESI 0.151 · percentile 5 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

0.638 days

Semi-major axis

0.0137 AU

Eccentricity

0.000

Inclination

88.69 °

Year Length

A year here lasts roughly 15.3 hours long on a nearly circular orbit at a mean orbital distance of 0.0137 AU.

Transit Fingerprint

Depth

0.011 %

Duration

1.184 h

Impact parameter b

0.278

Rp / R★

0.010183

Transit midpoint (BJD)

2,454,964.7491

Photometric dip

Transit produces a flux drop of 110 ppm lasting ≈ 1.18 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010183

Semi-major axis / stellar radius

4.024

Impact parameter (b)

0.278

Transit mid-time (BJD)

2,454,964.7491

Angular separation (arcsec)

0.02640

Eq. Temperature

1,874K

(1601 °C)

Insolation (S⊕)

2,302.61

Earth = 1.00

Earth Similarity (ESI)

0.151

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. Close-orbiting tidally-locked around a cool host.

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-607

Spectral Class

K-type orange

Effective Temperature

5,196 K — cooler than the Sun (5,778 K)

Estimated Age

4.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.800 R☉

Stellar Mass

0.840 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

1.500 g/cm³

Metallicity ratio

[Fe/H]

Distance

519.12 parsec

Light-years 1,693.15 ly

V-band magnitude

14.67 mag

Voyager-speed travel 29,858,655 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.898 mas

Total Proper Motion

18.002 mas/yr

PM Right Ascension

-4.57 mas/yr

PM Declination

-17.41 mas/yr

Galactic Cartesian (pc)

x = 0.256 · y = -0.664 · z = 0.703

Equatorial (J2000)

RA 291.05715° · Dec 44.63231°

Galactic ℓ, b

76.565° · 13.300°

Ecliptic λ, β

307.778° · 65.333°

HTM-20 index

772358359