Key parameters at a glance

A radius of 12.40 Earth radii
A mass of 3,480.24 Earth masses
Surface gravity around 22.63 g
An orbital period of 471.600 days
Semi-major axis 1.2500 AU
Distance from Earth 1,623.68 light-years
Earth Similarity Index 0.371
Travel time at Voyager 1 speed 28,633,588 years

HD 13189 b Planet Profile

Physical Specs

Radius

12.40 R⊕

Radius (Jupiter)

1.110 R♃

Mass

3,480.24 M⊕

Mass (Jupiter)

10.950 M♃

Density

10.00 g/cm³

Surface Gravity

22.63 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.371

HZ Position Unknown

Controversial No

Discovery

Year 2005

Method Radial Velocity

Facility Thueringer Landessternwarte Tautenburg

Telescope 2.0 m Alfred Jensch Telescope

Size rank in cohort

Rank by radius

#1298of 1771

top 73.2%

This planet

12.40R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 110014 b 12.40 R⊕ CFBDSIR J145829+101343 b 12.40 R⊕ MOA-2010-BLG-073L b 12.40 R⊕

Metric	Earth	HD 13189 b	Jupiter
Radius (R⊕)	1.00	12.40	11.21
Mass (M⊕)	1.00	3,480.24	317.83
Density (g/cm³)	5.51	10.00	1.33
Surface Gravity (g)	1.00	22.63	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	3,480.239 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 13189

HIP

HIP 10085

TIC

TIC 63564248

Gaia DR2

Gaia DR2 325494788018024576

Gaia DR3

Gaia DR3 325494788018024576

System

HD 13189

Percentile among Gas Giant cohort

Radius 12.400 R⊕ · percentile 25 / cohort 1771

Mass 3,480.239 M⊕ · percentile 89 / cohort 1747

Orbital period 471.60 d · percentile 67 / cohort 1533

Distance 497.82 pc · percentile 75 / cohort 1759

ESI 0.371 · percentile 77 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

471.600 days

Semi-major axis

1.2500 AU

Eccentricity

0.270

Inclination

— °

Year Length

A year here lasts about 1.29 Earth years on a mildly elliptical path at a mean orbital distance of 1.2500 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.371

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Hatzes et al. 2005

Instrument

Coude Echelle Spectrograph

Publication

2005-07

Observation locale

Ground

Host System: HD 13189

Spectral Class

K-type orange

Effective Temperature

4,175 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

38.410 R☉

Stellar Mass

2.240 M☉

Metallicity [Fe/H]

-0.37

Extended Stellar Properties

Surface gravity (log g)

1.620 dex

Systemic radial velocity

26.00 km/s

Metallicity ratio

[Fe/H]

Distance

497.82 parsec

Light-years 1,623.68 ly

V-band magnitude

7.57 mag

Voyager-speed travel 28,633,588 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

1.981 mas

Total Proper Motion

5.515 mas/yr

PM Right Ascension

2.46 mas/yr

PM Declination

4.93 mas/yr

Galactic Cartesian (pc)

x = 0.713 · y = 0.453 · z = 0.535

Equatorial (J2000)

RA 32.41740° · Dec 32.31645°

Galactic ℓ, b

141.568° · -27.709°

Ecliptic λ, β

41.367° · 18.075°

HTM-20 index

1480014663

Similar Worlds

HD 87816 c

Gas Giant · K-type orange

Radius 12.40 R⊕ · 434.5 ly

HD 95127 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 2,206.7 ly

HD 16905 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 129.6 ly

Gaia-4 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 239.7 ly

HD 110014 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 328.6 ly

TYC 4282-00605-1 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 1,513.8 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Thueringer Landessternwarte Tautenburg Mission K-type orange Hosts