Key parameters at a glance

A radius of 13.30 Earth radii
A mass of 772.33 Earth masses
Surface gravity around 4.37 g
An orbital period of 406.200 days
Distance from Earth 2,765.88 light-years
Earth Similarity Index 0.380
Travel time at Voyager 1 speed 48,776,254 years

1 sibling around Kepler-432

Kepler-432 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-432 b	Gas Giant	12.83	1,719.46	52.501	812	2015
Kepler-432 c this	Gas Giant	13.30	772.33	406.200	—	2015

Kepler-432 c Planet Profile

Physical Specs

Radius

13.30 R⊕

Radius (Jupiter)

1.180 R♃

Mass

772.33 M⊕

Mass (Jupiter)

2.430 M♃

Density

1.80 g/cm³

Surface Gravity

4.37 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.380

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Radial Velocity

Facility Fred Lawrence Whipple Observatory

Telescope 1.5 m Tillinghast Reflector Telescope

Size rank in cohort

Rank by radius

#793of 1771

top 44.7%

This planet

13.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 12661 b 13.30 R⊕ HD 129445 b 13.30 R⊕ GJ 876 b 13.30 R⊕

Metric	Earth	Kepler-432 c	Jupiter
Radius (R⊕)	1.00	13.30	11.21
Mass (M⊕)	1.00	772.33	317.83
Density (g/cm³)	5.51	1.80	1.33
Surface Gravity (g)	1.00	4.37	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	772.327 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 26817004

Gaia DR2

Gaia DR2 2128901871432519936

Gaia DR3

Gaia DR3 2128901871432519936

System

Kepler-432

Percentile among Gas Giant cohort

Radius 13.300 R⊕ · percentile 53 / cohort 1771

Mass 772.327 M⊕ · percentile 60 / cohort 1747

Orbital period 406.20 d · percentile 64 / cohort 1533

Distance 848.02 pc · percentile 84 / cohort 1759

ESI 0.380 · percentile 79 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

406.200 days

Semi-major axis

— AU

Eccentricity

0.498

Inclination

— °

Year Length

A year here lasts about 1.11 Earth years on a highly eccentric trajectory.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.380

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Quinn et al. 2015

Instrument

TRES Echelle Spectrograph

Publication

2015-04

Observation locale

Ground

Host System: Kepler-432

Spectral Class

K-type orange

Effective Temperature

4,995 K — cooler than the Sun (5,778 K)

Estimated Age

4.20 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

4.060 R☉

Stellar Mass

1.320 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

3.345 dex

Stellar density

0.028 g/cm³

Systemic radial velocity

-35.22 km/s

Rotational v·sin i

2.70 km/s

Rotation period

77.00 days

Metallicity ratio

[M/H]

Distance

848.02 parsec

Light-years 2,765.88 ly

V-band magnitude

12.40 mag

Voyager-speed travel 48,776,254 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.151 mas

Total Proper Motion

11.088 mas/yr

PM Right Ascension

4.53 mas/yr

PM Declination

10.12 mas/yr

Galactic Cartesian (pc)

x = 0.263 · y = -0.611 · z = 0.746

Equatorial (J2000)

RA 293.28223° · Dec 48.28592°

Galactic ℓ, b

80.633° · 13.488°

Ecliptic λ, β

314.904° · 68.127°

HTM-20 index

-580283222

Similar Worlds

TOI-4010 e

Gas Giant · K-type orange

Radius 13.30 R⊕ · 578.9 ly

HD 94890 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 201.2 ly

NGC 2682 Sand 978 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 2,680.7 ly

HD 12661 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 123.4 ly

HD 108863 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 537.3 ly

HD 108341 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 159.5 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Fred Lawrence Whipple Observatory Mission K-type orange Hosts