Key parameters at a glance

A radius of 13.10 Earth radii
A mass of 1,131.15 Earth masses
Surface gravity around 6.59 g
An orbital period of 186.760 days
Semi-major axis 0.7750 AU
Distance from Earth 246.05 light-years
Earth Similarity Index 0.408
Travel time at Voyager 1 speed 4,339,082 years

14 And b Planet Profile

Physical Specs

Radius

13.10 R⊕

Radius (Jupiter)

1.160 R♃

Mass

1,131.15 M⊕

Mass (Jupiter)

3.559 M♃

Density

2.76 g/cm³

Surface Gravity

6.59 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.408

HZ Position Unknown

Controversial No

Discovery

Year 2008

Method Radial Velocity

Facility Okayama Astrophysical Observatory

Telescope 1.88 m Telescope

Size rank in cohort

Rank by radius

#910of 1771

top 51.3%

This planet

13.10R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

GJ 3021 b 13.10 R⊕ HD 221287 b 13.10 R⊕ HD 37605 c 13.10 R⊕

Metric	Earth	14 And b	Jupiter
Radius (R⊕)	1.00	13.10	11.21
Mass (M⊕)	1.00	1,131.15	317.83
Density (g/cm³)	5.51	2.76	1.33
Surface Gravity (g)	1.00	6.59	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	1,131.151 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 221345

HIP

HIP 116076

TIC

TIC 333225860

Gaia DR2

Gaia DR2 1920113512486282240

Gaia DR3

Gaia DR3 1920113512486282240

System

14 And

Percentile among Gas Giant cohort

Radius 13.100 R⊕ · percentile 46 / cohort 1771

Mass 1,131.151 M⊕ · percentile 69 / cohort 1747

Orbital period 186.76 d · percentile 57 / cohort 1533

Distance 75.44 pc · percentile 29 / cohort 1759

ESI 0.408 · percentile 88 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

186.760 days

Semi-major axis

0.7750 AU

Eccentricity

0.000

Inclination

— °

Year Length

A year here lasts approximately 186.76 Earth days (51.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.7750 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.408

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Sato et al. 2008

Instrument

HIDES Echelle Spectrograph

Publication

2008-12

Observation locale

Ground

Discovery cohort

Planets confirmed in 2008 at Okayama Astrophysical Observatory (3 shown).

81 Cet b · Gas Giant 18 Del b · Gas Giant 6 Lyn b · Gas Giant

Host System: 14 And

Spectral Class

K-type orange

Effective Temperature

4,888 K — cooler than the Sun (5,778 K)

Estimated Age

4.50 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

11.550 R☉

Stellar Mass

1.780 M☉

Metallicity [Fe/H]

-0.21

Extended Stellar Properties

Surface gravity (log g)

2.550 dex

Systemic radial velocity

-59.73 km/s

Rotational v·sin i

2.60 km/s

Metallicity ratio

[Fe/H]

Distance

75.44 parsec

Light-years 246.05 ly

V-band magnitude

5.23 mag

Voyager-speed travel 4,339,082 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

13.229 mas

Total Proper Motion

299.253 mas/yr

PM Right Ascension

287.29 mas/yr

PM Declination

-83.76 mas/yr

Galactic Cartesian (pc)

x = 0.768 · y = -0.097 · z = 0.633

Equatorial (J2000)

RA 352.82415° · Dec 39.23584°

Galactic ℓ, b

106.413° · -21.051°

Ecliptic λ, β

11.959° · 38.229°

HTM-20 index

-1142888405

Similar Worlds

HD 4732 c

Gas Giant · K-type orange

Radius 13.10 R⊕ · 178.7 ly

HD 37605 c

Gas Giant · K-type orange

Radius 13.10 R⊕ · 152.6 ly

HD 102843 b

Gas Giant · K-type orange

Radius 13.10 R⊕ · 204.7 ly

HD 142245 b

Gas Giant · K-type orange

Radius 13.10 R⊕ · 317.1 ly

HD 112570 b

Gas Giant · K-type orange

Radius 13.10 R⊕ · 330.0 ly

KOINTREAU-3 b

Gas Giant · K-type orange

Radius 13.10 R⊕ · 458.5 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Okayama Astrophysical Observatory Mission K-type orange Hosts