Key parameters at a glance

A radius of 1.18 Earth radii
A mass of 1.76 Earth masses
Surface gravity around 1.26 g
An orbital period of 20.360 days
Semi-major axis 0.1369 AU
Equilibrium temperature 322 K (49 °C)
Distance from Earth 528.37 light-years
Earth Similarity Index 0.887
Travel time at Voyager 1 speed 9,317,852 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1512 b Planet Profile

Physical Specs

Radius

1.18 R⊕

Radius (Jupiter)

0.105 R♃

Mass

1.76 M⊕

Mass (Jupiter)

0.006 M♃

Density

5.89 g/cm³

Surface Gravity

1.26 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.887

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

#117of 570

top 20.4%

This planet

1.18R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-847 b 1.18 R⊕ Kepler-1430 b 1.18 R⊕ Kepler-332 d 1.18 R⊕

Metric	Earth	Kepler-1512 b	Jupiter
Radius (R⊕)	1.00	1.18	11.21
Mass (M⊕)	1.00	1.76	317.83
Density (g/cm³)	5.51	5.89	1.33
Surface Gravity (g)	1.00	1.26	2.53
Insolation (S⊕)	1.00	1.60	0.037

Star Catalogue Identifiers

TIC

TIC 158989438

Gaia DR2

Gaia DR2 2127115783511206016

Gaia DR3

Gaia DR3 2127115783511206016

System

Kepler-1512

Percentile among Rocky Terrestrial cohort

Radius 1.180 R⊕ · percentile 77 / cohort 570

Mass 1.760 M⊕ · percentile 71 / cohort 570

Orbital period 20.36 d · percentile 92 / cohort 567

Distance 162.00 pc · percentile 29 / cohort 566

ESI 0.887 · percentile 90 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

20.360 days

Semi-major axis

0.1369 AU

Eccentricity

0.000

Inclination

89.45 °

Year Length

A year here lasts approximately 20.36 Earth days (5.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1369 AU.

Transit Fingerprint

Depth

0.034 %

Duration

1.916 h

Impact parameter b

0.637

Rp / R★

0.016237

Transit midpoint (BJD)

2,454,967.2910

Photometric dip

Transit produces a flux drop of 340 ppm lasting ≈ 1.92 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016237

Semi-major axis / stellar radius

60.100

Impact parameter (b)

0.637

Transit mid-time (BJD)

2,454,967.2910

Angular separation (arcsec)

0.84500

Eq. Temperature

322K

(49 °C)

Insolation (S⊕)

1.60

Earth = 1.00

Earth Similarity (ESI)

0.887

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure. 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-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 Kepler-1646 b · Rocky Terrestrial

Host System: Kepler-1512

Spectral Class

K-type orange

Effective Temperature

4,372 K — cooler than the Sun (5,778 K)

Estimated Age

1.78 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.670 R☉

Stellar Mass

0.730 M☉

Metallicity [Fe/H]

0.20

Extended Stellar Properties

Surface gravity (log g)

4.640 dex

Stellar density

1.320 g/cm³

Systemic radial velocity

-19.67 km/s

Rotation period

10.00 days

Metallicity ratio

[Fe/H]

Distance

162.00 parsec

Light-years 528.37 ly

V-band magnitude

13.45 mag

Voyager-speed travel 9,317,852 yr

Multi-band Host Photometry — 15 bands

Astrometric Data

Parallax

3.172 mas

Total Proper Motion

24.295 mas/yr

PM Right Ascension

0.00 mas/yr

PM Declination

24.30 mas/yr

Galactic Cartesian (pc)

x = 0.236 · y = -0.674 · z = 0.701

Equatorial (J2000)

RA 289.27450° · Dec 44.47041°

Galactic ℓ, b

75.869° · 14.387°

Ecliptic λ, β

304.761° · 65.600°

HTM-20 index

1154464982