Key parameters at a glance

A radius of 0.89 Earth radii
A mass of 0.64 Earth masses
Surface gravity around 0.81 g
An orbital period of 1.878 days
Semi-major axis 0.0288 AU
Equilibrium temperature 1,701 K (1428 °C)
Distance from Earth 2,187.95 light-years
Earth Similarity Index 0.171
Travel time at Voyager 1 speed 38,584,479 years

Kepler-1352 b Planet Profile

Physical Specs

Radius

0.89 R⊕

Radius (Jupiter)

0.079 R♃

Mass

0.64 M⊕

Mass (Jupiter)

0.002 M♃

Density

4.99 g/cm³

Surface Gravity

0.81 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.171

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

#418of 570

top 73.2%

This planet

0.89R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-353 b 0.89 R⊕ Kepler-387 c 0.89 R⊕ Kepler-303 b 0.89 R⊕

Metric	Earth	Kepler-1352 b	Jupiter
Radius (R⊕)	1.00	0.89	11.21
Mass (M⊕)	1.00	0.64	317.83
Density (g/cm³)	5.51	4.99	1.33
Surface Gravity (g)	1.00	0.81	2.53
Insolation (S⊕)	1.00	1,892.59	0.037

Star Catalogue Identifiers

TIC

TIC 290034960

Gaia DR2

Gaia DR2 2129527974583414400

Gaia DR3

Gaia DR3 2129527974583414400

System

Kepler-1352

Percentile among Rocky Terrestrial cohort

Radius 0.890 R⊕ · percentile 25 / cohort 570

Mass 0.640 M⊕ · percentile 21 / cohort 570

Orbital period 1.88 d · percentile 20 / cohort 567

Distance 670.83 pc · percentile 78 / cohort 566

ESI 0.171 · percentile 8 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

1.878 days

Semi-major axis

0.0288 AU

Eccentricity

0.000

Inclination

87.58 °

Year Length

A year here lasts approximately 1.88 Earth days (0.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0288 AU.

Transit Fingerprint

Depth

0.005 %

Duration

2.327 h

Impact parameter b

0.034

Rp / R★

0.006543

Transit midpoint (BJD)

2,454,965.2619

Photometric dip

Transit produces a flux drop of 48 ppm lasting ≈ 2.33 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006543

Semi-major axis / stellar radius

6.229

Impact parameter (b)

0.034

Transit mid-time (BJD)

2,454,965.2619

Angular separation (arcsec)

0.04300

Eq. Temperature

1,701K

(1428 °C)

Insolation (S⊕)

1,892.59

Earth = 1.00

Earth Similarity (ESI)

0.171

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-1352

Spectral Class

F-type yellow-white

Effective Temperature

6,118 K — hotter than the Sun (5,778 K)

Estimated Age

3.16 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.160 R☉

Stellar Mass

1.110 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.350 dex

Stellar density

0.480 g/cm³

Metallicity ratio

[Fe/H]

Distance

670.83 parsec

Light-years 2,187.95 ly

V-band magnitude

13.34 mag

Voyager-speed travel 38,584,479 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.462 mas

Total Proper Motion

13.593 mas/yr

PM Right Ascension

10.56 mas/yr

PM Declination

-8.56 mas/yr

Galactic Cartesian (pc)

x = 0.233 · y = -0.617 · z = 0.751

Equatorial (J2000)

RA 290.69380° · Dec 48.70144°

Galactic ℓ, b

80.277° · 15.219°

Ecliptic λ, β

311.068° · 69.208°

HTM-20 index

396489817