Key parameters at a glance

A radius of 13.60 Earth radii
A mass of 467.21 Earth masses
Surface gravity around 2.53 g
An orbital period of 1,157.000 days
Semi-major axis 2.3400 AU
Distance from Earth 85.32 light-years
Earth Similarity Index 0.339
Travel time at Voyager 1 speed 1,504,643 years

HD 30562 b Planet Profile

Physical Specs

Radius

13.60 R⊕

Radius (Jupiter)

1.210 R♃

Mass

467.21 M⊕

Mass (Jupiter)

1.470 M♃

Density

1.02 g/cm³

Surface Gravity

2.53 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.339

HZ Position Unknown

Controversial No

Discovery

Year 2009

Method Radial Velocity

Facility Lick Observatory

Telescope 3.0 m C. Donald Shane Telescope

Size rank in cohort

Rank by radius

#609of 1771

top 34.3%

This planet

13.60R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 19994 b 13.60 R⊕ HD 205739 b 13.60 R⊕ HD 79498 b 13.60 R⊕

Metric	Earth	HD 30562 b	Jupiter
Radius (R⊕)	1.00	13.60	11.21
Mass (M⊕)	1.00	467.21	317.83
Density (g/cm³)	5.51	1.02	1.33
Surface Gravity (g)	1.00	2.53	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	467.208 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	387.753 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 30562

HIP

HIP 22336

TIC

TIC 176379354

Gaia DR2

Gaia DR2 3188395880157173120

Gaia DR3

Gaia DR3 3188395880157173120

System

HD 30562

Percentile among Gas Giant cohort

Radius 13.600 R⊕ · percentile 63 / cohort 1771

Mass 467.208 M⊕ · percentile 47 / cohort 1747

Orbital period 1,157.00 d · percentile 79 / cohort 1533

Distance 26.16 pc · percentile 6 / cohort 1759

ESI 0.339 · percentile 68 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

1,157.000 days

Semi-major axis

2.3400 AU

Eccentricity

0.760

Inclination

65.00 °

Year Length

A year here lasts about 3.17 Earth years on a highly eccentric trajectory at a mean orbital distance of 2.3400 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.339

0 = alien, 1 = Earth-identical

Detection Signatures

Radial velocity

Stellar wobble has been measured spectroscopically.

Astrometry

Positional wobble of the host star was measured.

Discovery Paper

Primary reference

Fischer et al. 2009

Instrument

Hamilton Echelle Spectrograph

Publication

2009-10

Observation locale

Ground

Discovery cohort

Planets confirmed in 2009 at Lick Observatory (5 shown).

HD 87883 b · Gas Giant HD 16175 b · Gas Giant HD 86264 b · Gas Giant HD 89307 b · Gas Giant 47 UMa d · Gas Giant

Host System: HD 30562

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,882 K — hotter than the Sun (5,778 K)

Estimated Age

3.60 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.610 R☉

Stellar Mass

1.120 M☉

Metallicity [Fe/H]

0.20

Extended Stellar Properties

Surface gravity (log g)

4.070 dex

Stellar density

0.341 g/cm³

Systemic radial velocity

77.24 km/s

Rotational v·sin i

4.90 km/s

Activity index (log R'HK)

-5.040

Metallicity ratio

[Fe/H]

Distance

26.16 parsec

Light-years 85.32 ly

V-band magnitude

5.77 mag

Voyager-speed travel 1,504,643 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

38.198 mas

Total Proper Motion

398.763 mas/yr

PM Right Ascension

311.42 mas/yr

PM Declination

-249.06 mas/yr

Galactic Cartesian (pc)

x = 0.305 · y = 0.947 · z = -0.099

Equatorial (J2000)

RA 72.15295° · Dec -5.67512°

Galactic ℓ, b

203.398° · -29.823°

Ecliptic λ, β

69.814° · -27.873°

HTM-20 index

-2099998766