Key parameters at a glance

A radius of 14.30 Earth radii
A mass of 149.37 Earth masses
Surface gravity around 0.73 g
An orbital period of 1,684.000 days
Semi-major axis 2.6900 AU
Distance from Earth 189.45 light-years
Earth Similarity Index 0.248
Travel time at Voyager 1 speed 3,340,876 years

HD 30669 b Planet Profile

Physical Specs

Radius

14.30 R⊕

Radius (Jupiter)

1.270 R♃

Mass

149.37 M⊕

Mass (Jupiter)

0.470 M♃

Density

0.28 g/cm³

Surface Gravity

0.73 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.248

HZ Position Unknown

Controversial No

Discovery

Year 2014

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Size rank in cohort

Rank by radius

#301of 1771

top 16.9%

This planet

14.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 133131 A c 14.30 R⊕ HIP 65407 b 14.30 R⊕ HD 45652 b 14.30 R⊕

Metric	Earth	HD 30669 b	Jupiter
Radius (R⊕)	1.00	14.30	11.21
Mass (M⊕)	1.00	149.37	317.83
Density (g/cm³)	5.51	0.28	1.33
Surface Gravity (g)	1.00	0.73	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	149.370 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 30669

HIP

HIP 22320

TIC

TIC 607907

Gaia DR2

Gaia DR2 4880032624440826112

Gaia DR3

Gaia DR3 4880032624440826112

System

HD 30669

Percentile among Gas Giant cohort

Radius 14.300 R⊕ · percentile 82 / cohort 1771

Mass 149.370 M⊕ · percentile 12 / cohort 1747

Orbital period 1,684.00 d · percentile 83 / cohort 1533

Distance 58.08 pc · percentile 24 / cohort 1759

ESI 0.248 · percentile 44 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

1,684.000 days

Semi-major axis

2.6900 AU

Eccentricity

0.180

Inclination

— °

Year Length

A year here lasts about 4.61 Earth years on a mildly elliptical path at a mean orbital distance of 2.6900 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.248

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Moutou et al. 2015

Instrument

HARPS Spectrograph

Publication

2015-04

Observation locale

Ground

Discovery cohort

Planets confirmed in 2014 at La Silla Observatory (4 shown).

HD 108341 b · Gas Giant BD-11 4672 b · Gas Giant HD 103720 b · Gas Giant HD 564 b · Gas Giant

Host System: HD 30669

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,400 K — cooler than the Sun (5,778 K)

Estimated Age

4.80 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.910 R☉

Stellar Mass

0.920 M☉

Metallicity [Fe/H]

0.13

Extended Stellar Properties

Surface gravity (log g)

4.370 dex

Stellar density

1.530 g/cm³

Systemic radial velocity

65.80 km/s

Rotational v·sin i

1.70 km/s

Metallicity ratio

[Fe/H]

Distance

58.08 parsec

Light-years 189.45 ly

V-band magnitude

9.12 mag

Voyager-speed travel 3,340,876 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

17.187 mas

Total Proper Motion

243.019 mas/yr

PM Right Ascension

237.62 mas/yr

PM Declination

50.93 mas/yr

Galactic Cartesian (pc)

x = 0.270 · y = 0.837 · z = -0.476

Equatorial (J2000)

RA 72.11985° · Dec -28.41908°

Galactic ℓ, b

229.059° · -38.104°

Ecliptic λ, β

64.979° · -50.317°

HTM-20 index

-705135264