Key parameters at a glance

A radius of 2.22 Earth radii
A mass of 5.56 Earth masses
Surface gravity around 1.13 g
An orbital period of 23.911 days
Semi-major axis 0.1696 AU
Equilibrium temperature 709 K (436 °C)
Distance from Earth 7,083.68 light-years
Earth Similarity Index 0.374
Travel time at Voyager 1 speed 124,920,766 years

Kepler-1432 b Planet Profile

Physical Specs

Radius

2.22 R⊕

Radius (Jupiter)

0.198 R♃

Mass

5.56 M⊕

Mass (Jupiter)

0.018 M♃

Density

2.79 g/cm³

Surface Gravity

1.13 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.374

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

#1642of 1978

top 83.0%

This planet

2.22R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1151 b 2.22 R⊕ KMT-2018-BLG-1988L b 2.22 R⊕ Kepler-938 b 2.22 R⊕

Metric	Earth	Kepler-1432 b	Jupiter
Radius (R⊕)	1.00	2.22	11.21
Mass (M⊕)	1.00	5.56	317.83
Density (g/cm³)	5.51	2.79	1.33
Surface Gravity (g)	1.00	1.13	2.53
Insolation (S⊕)	1.00	119.24	0.037

Star Catalogue Identifiers

TIC

TIC 27532128

Gaia DR2

Gaia DR2 2134934273258874240

Gaia DR3

Gaia DR3 2134934273258874240

System

Kepler-1432

Percentile among Sub-Neptune cohort

Radius 2.220 R⊕ · percentile 17 / cohort 1978

Mass 5.560 M⊕ · percentile 17 / cohort 1978

Orbital period 23.91 d · percentile 68 / cohort 1946

Distance 2,171.87 pc · percentile 98 / cohort 1975

ESI 0.374 · percentile 47 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

23.911 days

Semi-major axis

0.1696 AU

Eccentricity

0.000

Inclination

89.33 °

Year Length

A year here lasts approximately 23.91 Earth days (6.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1696 AU.

Transit Fingerprint

Depth

0.029 %

Duration

5.055 h

Impact parameter b

0.398

Rp / R★

0.018101

Transit midpoint (BJD)

2,454,983.5316

Photometric dip

Transit produces a flux drop of 294 ppm lasting ≈ 5.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018101

Semi-major axis / stellar radius

34.200

Impact parameter (b)

0.398

Transit mid-time (BJD)

2,454,983.5316

Angular separation (arcsec)

0.07810

Eq. Temperature

709K

(436 °C)

Insolation (S⊕)

119.24

Earth = 1.00

Earth Similarity (ESI)

0.374

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-1432

Spectral Class

F-type yellow-white

Effective Temperature

6,031 K — hotter than the Sun (5,778 K)

Estimated Age

3.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.130 R☉

Stellar Mass

1.090 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

4.370 dex

Stellar density

1.322 g/cm³

Metallicity ratio

[Fe/H]

Distance

2,171.87 parsec

Light-years 7,083.68 ly

V-band magnitude

15.59 mag

Voyager-speed travel 124,920,766 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.431 mas

Total Proper Motion

5.313 mas/yr

PM Right Ascension

-1.15 mas/yr

PM Declination

-5.19 mas/yr

Galactic Cartesian (pc)

x = 0.278 · y = -0.582 · z = 0.764

Equatorial (J2000)

RA 295.52410° · Dec 49.82952°

Galactic ℓ, b

82.724° · 12.860°

Ecliptic λ, β

320.374° · 68.848°

HTM-20 index

-294045797