Key parameters at a glance

A radius of 1.05 Earth radii
A mass of 1.16 Earth masses
Surface gravity around 1.05 g
An orbital period of 4.165 days
Semi-major axis 0.0538 AU
Equilibrium temperature 1,048 K (775 °C)
Distance from Earth 2,481.09 light-years
Earth Similarity Index 0.307
Travel time at Voyager 1 speed 43,754,104 years

1 sibling around Kepler-625

Kepler-625 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-625 c this	Rocky Terrestrial	1.05	1.16	4.165	1,048	2016
Kepler-625 b	Super-Earth	1.99	4.62	7.752	852	2016

Kepler-625 c Planet Profile

Physical Specs

Radius

1.05 R⊕

Radius (Jupiter)

0.094 R♃

Mass

1.16 M⊕

Mass (Jupiter)

0.004 M♃

Density

5.51 g/cm³

Surface Gravity

1.05 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.307

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

#279of 570

top 48.8%

This planet

1.05R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1331 b 1.05 R⊕ Kepler-1376 b 1.05 R⊕ Kepler-163 b 1.05 R⊕

Metric	Earth	Kepler-625 c	Jupiter
Radius (R⊕)	1.00	1.05	11.21
Mass (M⊕)	1.00	1.16	317.83
Density (g/cm³)	5.51	5.51	1.33
Surface Gravity (g)	1.00	1.05	2.53
Insolation (S⊕)	1.00	932.13	0.037

Star Catalogue Identifiers

TIC

TIC 137414304

Gaia DR2

Gaia DR2 2053177406120368896

Gaia DR3

Gaia DR3 2053177406120368896

System

Kepler-625

Percentile among Rocky Terrestrial cohort

Radius 1.050 R⊕ · percentile 50 / cohort 570

Mass 1.160 M⊕ · percentile 45 / cohort 570

Orbital period 4.17 d · percentile 46 / cohort 567

Distance 760.71 pc · percentile 82 / cohort 566

ESI 0.307 · percentile 41 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

4.165 days

Semi-major axis

0.0538 AU

Eccentricity

0.000

Inclination

87.83 °

Year Length

A year here lasts approximately 4.17 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0538 AU.

Transit Fingerprint

Depth

0.012 %

Duration

3.290 h

Impact parameter b

0.090

Rp / R★

0.010118

Transit midpoint (BJD)

2,454,965.0421

Photometric dip

Transit produces a flux drop of 123 ppm lasting ≈ 3.29 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010118

Semi-major axis / stellar radius

9.750

Impact parameter (b)

0.090

Transit mid-time (BJD)

2,454,965.0421

Angular separation (arcsec)

0.07070

Eq. Temperature

1,048K

(775 °C)

Insolation (S⊕)

932.13

Earth = 1.00

Earth Similarity (ESI)

0.307

0 = alien, 1 = Earth-identical

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

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-625

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,789 K — hotter than the Sun (5,778 K)

Estimated Age

1.51 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.960 R☉

Stellar Mass

1.040 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

0.460 g/cm³

Metallicity ratio

[Fe/H]

Distance

760.71 parsec

Light-years 2,481.09 ly

V-band magnitude

13.40 mag

Voyager-speed travel 43,754,104 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

1.286 mas

Total Proper Motion

9.185 mas/yr

PM Right Ascension

3.48 mas/yr

PM Declination

-8.50 mas/yr

Galactic Cartesian (pc)

x = 0.290 · y = -0.713 · z = 0.638

Equatorial (J2000)

RA 292.15047° · Dec 39.63753°

Galactic ℓ, b

72.340° · 10.383°

Ecliptic λ, β

305.928° · 60.343°

HTM-20 index

1482959535