Key parameters at a glance

A radius of 0.83 Earth radii
A mass of 0.50 Earth masses
Surface gravity around 0.72 g
An orbital period of 3.615 days
Semi-major axis 0.0461 AU
Equilibrium temperature 1,397 K (1124 °C)
Distance from Earth 2,464.69 light-years
Earth Similarity Index 0.211
Travel time at Voyager 1 speed 43,464,791 years

Kepler-1412 b Planet Profile

Physical Specs

Radius

0.83 R⊕

Radius (Jupiter)

0.074 R♃

Mass

0.50 M⊕

Mass (Jupiter)

0.002 M♃

Density

4.79 g/cm³

Surface Gravity

0.72 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.211

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

#461of 570

top 80.7%

This planet

0.83R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

K2-257 b 0.83 R⊕ Kepler-314 b 0.83 R⊕ Kepler-450 d 0.84 R⊕

Metric	Earth	Kepler-1412 b	Jupiter
Radius (R⊕)	1.00	0.83	11.21
Mass (M⊕)	1.00	0.50	317.83
Density (g/cm³)	5.51	4.79	1.33
Surface Gravity (g)	1.00	0.72	2.53
Insolation (S⊕)	1.00	1,087.78	0.037

Star Catalogue Identifiers

TIC

TIC 424815791

Gaia DR2

Gaia DR2 2129754847637288192

Gaia DR3

Gaia DR3 2129754847637288192

System

Kepler-1412

Percentile among Rocky Terrestrial cohort

Radius 0.830 R⊕ · percentile 19 / cohort 570

Mass 0.498 M⊕ · percentile 16 / cohort 570

Orbital period 3.61 d · percentile 40 / cohort 567

Distance 755.68 pc · percentile 82 / cohort 566

ESI 0.211 · percentile 16 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

3.615 days

Semi-major axis

0.0461 AU

Eccentricity

0.000

Inclination

89.83 °

Year Length

A year here lasts approximately 3.61 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0461 AU.

Transit Fingerprint

Depth

0.004 %

Duration

3.188 h

Impact parameter b

0.316

Rp / R★

0.006232

Transit midpoint (BJD)

2,454,966.0946

Photometric dip

Transit produces a flux drop of 44 ppm lasting ≈ 3.19 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006232

Semi-major axis / stellar radius

8.390

Impact parameter (b)

0.316

Transit mid-time (BJD)

2,454,966.0946

Angular separation (arcsec)

0.06100

Eq. Temperature

1,397K

(1124 °C)

Insolation (S⊕)

1,087.78

Earth = 1.00

Earth Similarity (ESI)

0.211

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-1412

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,880 K — hotter than the Sun (5,778 K)

Estimated Age

6.31 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.270 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.250 dex

Stellar density

0.300 g/cm³

Metallicity ratio

[Fe/H]

Distance

755.68 parsec

Light-years 2,464.69 ly

V-band magnitude

13.35 mag

Voyager-speed travel 43,464,791 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.295 mas

Total Proper Motion

8.401 mas/yr

PM Right Ascension

4.12 mas/yr

PM Declination

7.32 mas/yr

Galactic Cartesian (pc)

x = 0.247 · y = -0.605 · z = 0.757

Equatorial (J2000)

RA 292.18015° · Dec 49.20248°

Galactic ℓ, b

81.166° · 14.537°

Ecliptic λ, β

314.159° · 69.265°

HTM-20 index

721461931