Key parameters at a glance

A radius of 12.60 Earth radii
A mass of 2,330.00 Earth masses
Surface gravity around 14.68 g
An orbital period of 712.130 days
Semi-major axis 1.9300 AU
Distance from Earth 399.66 light-years
Earth Similarity Index 0.425
Travel time at Voyager 1 speed 7,047,978 years

HD 47536 b Planet Profile

Physical Specs

Radius

12.60 R⊕

Radius (Jupiter)

1.130 R♃

Mass

2,330.00 M⊕

Mass (Jupiter)

7.320 M♃

Density

6.40 g/cm³

Surface Gravity

14.68 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.425

HZ Position Unknown

Controversial No

Discovery

Year 2002

Method Radial Velocity

Facility La Silla Observatory

Telescope 1.52 m ESO Telescope

Size rank in cohort

Rank by radius

#1179of 1771

top 66.5%

This planet

12.60R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Kepler-419 c 12.60 R⊕ 2MASS J04414489+2301513 b 12.60 R⊕ WD 0806-661 b 12.60 R⊕

Metric	Earth	HD 47536 b	Jupiter
Radius (R⊕)	1.00	12.60	11.21
Mass (M⊕)	1.00	2,330.00	317.83
Density (g/cm³)	5.51	6.40	1.33
Surface Gravity (g)	1.00	14.68	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	2,330.000 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 47536

HIP

HIP 31688

TIC

TIC 52172862

Gaia DR2

Gaia DR2 5583831735369515008

Gaia DR3

Gaia DR3 5583831735369515008

System

HD 47536

Percentile among Gas Giant cohort

Radius 12.600 R⊕ · percentile 31 / cohort 1771

Mass 2,330.000 M⊕ · percentile 82 / cohort 1747

Orbital period 712.13 d · percentile 73 / cohort 1533

Distance 122.54 pc · percentile 39 / cohort 1759

ESI 0.425 · percentile 93 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

712.130 days

Semi-major axis

1.9300 AU

Eccentricity

0.200

Inclination

— °

Year Length

A year here lasts about 1.95 Earth years on a mildly elliptical path at a mean orbital distance of 1.9300 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.425

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Setiawan et al. 2003

Instrument

FEROS Spectrograph

Publication

2003-02

Observation locale

Ground

Discovery cohort

Planets confirmed in 2002 at La Silla Observatory (4 shown).

HD 141937 b · Gas Giant HD 162020 b · Gas Giant HD 108147 b · Gas Giant HD 168746 b · Gas Giant

Host System: HD 47536

Spectral Class

K-type orange

Effective Temperature

4,380 K — cooler than the Sun (5,778 K)

Estimated Age

10.15 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

23.470 R☉

Stellar Mass

2.100 M☉

Metallicity [Fe/H]

-0.65

Extended Stellar Properties

Surface gravity (log g)

2.130 dex

Systemic radial velocity

79.40 km/s

Rotational v·sin i

1.93 km/s

Metallicity ratio

[Fe/H]

Distance

122.54 parsec

Light-years 399.66 ly

V-band magnitude

5.25 mag

Voyager-speed travel 7,047,978 yr

Multi-band Host Photometry — 7 bands

Astrometric Data

Parallax

8.134 mas

Total Proper Motion

125.545 mas/yr

PM Right Ascension

107.61 mas/yr

PM Declination

64.67 mas/yr

Galactic Cartesian (pc)

x = -0.139 · y = 0.833 · z = -0.535

Equatorial (J2000)

RA 99.44896° · Dec -32.33945°

Galactic ℓ, b

241.182° · -16.777°

Ecliptic λ, β

104.104° · -55.317°

HTM-20 index

387642709

Wikipedia →

Similar Worlds

4 UMa b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 239.6 ly

HD 19615 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 864.8 ly

HIP 8541 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 505.9 ly

HIP 35965 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 163.6 ly

HD 203387 c

Gas Giant · K-type orange

Radius 12.60 R⊕ · 201.4 ly

HD 102329 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 708.1 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries La Silla Observatory Mission K-type orange Hosts