Key parameters at a glance

A radius of 2.49 Earth radii
A mass of 6.76 Earth masses
Surface gravity around 1.09 g
An orbital period of 4.182 days
Semi-major axis 0.0496 AU
Equilibrium temperature 974 K (701 °C)
Distance from Earth 1,286.85 light-years
Earth Similarity Index 0.258
Travel time at Voyager 1 speed 22,693,572 years

Kepler-652 b Planet Profile

Physical Specs

Radius

2.49 R⊕

Radius (Jupiter)

0.222 R♃

Mass

6.76 M⊕

Mass (Jupiter)

0.021 M♃

Density

2.41 g/cm³

Surface Gravity

1.09 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.258

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

#1191of 1978

top 60.2%

This planet

2.49R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-184 d 2.49 R⊕ HD 176986 d 2.49 R⊕ Kepler-11 f 2.49 R⊕

Metric	Earth	Kepler-652 b	Jupiter
Radius (R⊕)	1.00	2.49	11.21
Mass (M⊕)	1.00	6.76	317.83
Density (g/cm³)	5.51	2.41	1.33
Surface Gravity (g)	1.00	1.09	2.53
Insolation (S⊕)	1.00	211.88	0.037

Star Catalogue Identifiers

TIC

TIC 158660814

Gaia DR2

Gaia DR2 2130397585201614080

Gaia DR3

Gaia DR3 2130397585201614080

System

Kepler-652

Percentile among Sub-Neptune cohort

Radius 2.490 R⊕ · percentile 39 / cohort 1978

Mass 6.760 M⊕ · percentile 37 / cohort 1978

Orbital period 4.18 d · percentile 9 / cohort 1946

Distance 394.55 pc · percentile 41 / cohort 1975

ESI 0.258 · percentile 18 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

4.182 days

Semi-major axis

0.0496 AU

Eccentricity

0.000

Inclination

89.94 °

Year Length

A year here lasts approximately 4.18 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0496 AU.

Transit Fingerprint

Depth

0.086 %

Duration

2.217 h

Impact parameter b

0.060

Rp / R★

0.026388

Transit midpoint (BJD)

2,455,005.7895

Photometric dip

Transit produces a flux drop of 862 ppm lasting ≈ 2.22 h.

Extended Orbital Architecture

Planet / star radius ratio

0.026388

Semi-major axis / stellar radius

14.781

Impact parameter (b)

0.060

Transit mid-time (BJD)

2,455,005.7895

Angular separation (arcsec)

0.12600

Eq. Temperature

974K

(701 °C)

Insolation (S⊕)

211.88

Earth = 1.00

Earth Similarity (ESI)

0.258

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-652

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,490 K — cooler than the Sun (5,778 K)

Estimated Age

1.48 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.880 R☉

Stellar Mass

0.970 M☉

Metallicity [Fe/H]

0.17

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

1.580 g/cm³

Metallicity ratio

[Fe/H]

Distance

394.55 parsec

Light-years 1,286.85 ly

V-band magnitude

13.62 mag

Voyager-speed travel 22,693,572 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.506 mas

Total Proper Motion

19.266 mas/yr

PM Right Ascension

-1.96 mas/yr

PM Declination

19.17 mas/yr

Galactic Cartesian (pc)

x = 0.213 · y = -0.655 · z = 0.725

Equatorial (J2000)

RA 288.00809° · Dec 46.47361°

Galactic ℓ, b

77.408° · 15.998°

Ecliptic λ, β

304.263° · 67.782°

HTM-20 index

-1715889197