Key parameters at a glance

A radius of 13.00 Earth radii
A mass of 1,179.15 Earth masses
Surface gravity around 6.98 g
An orbital period of 1,276.000 days
Semi-major axis 2.3900 AU
Distance from Earth 785.14 light-years
Earth Similarity Index 0.412
Travel time at Voyager 1 speed 13,845,984 years

1 sibling around KELT-6

KELT-6 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
KELT-6 b	Gas Giant	14.57	165.27	7.846	1,313	2014
KELT-6 c this	Gas Giant	13.00	1,179.15	1,276.000	—	2015

KELT-6 c Planet Profile

Physical Specs

Radius

13.00 R⊕

Radius (Jupiter)

1.160 R♃

Mass

1,179.15 M⊕

Mass (Jupiter)

3.710 M♃

Density

2.95 g/cm³

Surface Gravity

6.98 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.412

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#960of 1771

top 54.2%

This planet

13.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HIP 14810 b 13.00 R⊕ HD 47186 c 13.00 R⊕ WASP-107 c 13.00 R⊕

Metric	Earth	KELT-6 c	Jupiter
Radius (R⊕)	1.00	13.00	11.21
Mass (M⊕)	1.00	1,179.15	317.83
Density (g/cm³)	5.51	2.95	1.33
Surface Gravity (g)	1.00	6.98	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	1,179.149 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 165987272

Gaia DR2

Gaia DR2 1464700950221781504

Gaia DR3

Gaia DR3 1464700950221781504

System

KELT-6

Percentile among Gas Giant cohort

Radius 13.000 R⊕ · percentile 43 / cohort 1771

Mass 1,179.149 M⊕ · percentile 70 / cohort 1747

Orbital period 1,276.00 d · percentile 81 / cohort 1533

Distance 240.73 pc · percentile 55 / cohort 1759

ESI 0.412 · percentile 89 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

1,276.000 days

Semi-major axis

2.3900 AU

Eccentricity

0.210

Inclination

— °

Year Length

A year here lasts about 3.49 Earth years on a mildly elliptical path at a mean orbital distance of 2.3900 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.412

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Damasso et al. 2015

Instrument

Multiple Instruments

Publication

2015-09

Observation locale

Ground

Discovery cohort

Planets confirmed in 2015 at Multiple Observatories (8 shown).

HD 1666 b · Gas Giant HIP 67851 c · Gas Giant HD 67087 c · Gas Giant HD 1605 c · Gas Giant HD 67087 b · Gas Giant HIP 107773 b · Gas Giant HIP 67851 b · Gas Giant HD 1605 b · Gas Giant

Host System: KELT-6

Spectral Class

F-type yellow-white

Effective Temperature

6,272 K — hotter than the Sun (5,778 K)

Estimated Age

4.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.529 R☉

Stellar Mass

1.126 M☉

Metallicity [Fe/H]

-0.27

Extended Stellar Properties

Surface gravity (log g)

4.120 dex

Stellar density

0.440 g/cm³

Systemic radial velocity

1.10 km/s

Rotational v·sin i

4.53 km/s

Metallicity ratio

[Fe/H]

Distance

240.73 parsec

Light-years 785.14 ly

V-band magnitude

10.37 mag

Voyager-speed travel 13,845,984 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

4.126 mas

Total Proper Motion

16.452 mas/yr

PM Right Ascension

-5.11 mas/yr

PM Declination

15.64 mas/yr

Galactic Cartesian (pc)

x = -0.827 · y = -0.237 · z = 0.510

Equatorial (J2000)

RA 195.98184° · Dec 30.64015°

Galactic ℓ, b

85.775° · 85.550°

Ecliptic λ, β

181.009° · 34.182°

HTM-20 index

1919157121