Key parameters at a glance

A radius of 12.80 Earth radii
A mass of 1,887.90 Earth masses
Surface gravity around 11.52 g
An orbital period of 908.000 days
Semi-major axis 1.9800 AU
Distance from Earth 230.86 light-years
Earth Similarity Index 0.438
Travel time at Voyager 1 speed 4,071,280 years

Context from the literature

HD 132406 b is a long-period, massive gas giant exoplanet orbiting the Sun-like star HD 132406. HD 132406 b has a minimum mass 5.61 times the mass of Jupiter. The orbital distance from the star is almost twice that of from Earth to the Sun. The orbital period is 2.7 years.

Excerpted from Wikipedia · full article

HD 132406 b Planet Profile

Physical Specs

Radius

12.80 R⊕

Radius (Jupiter)

1.140 R♃

Mass

1,887.90 M⊕

Mass (Jupiter)

5.940 M♃

Density

4.95 g/cm³

Surface Gravity

11.52 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.438

HZ Position Unknown

Controversial No

Discovery

Year 2007

Method Radial Velocity

Facility Haute-Provence Observatory

Telescope 1.93 m Telescope

Size rank in cohort

Rank by radius

#1063of 1771

top 60.0%

This planet

12.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 240210 b 12.80 R⊕ HD 29985 b 12.80 R⊕ HD 148164 c 12.80 R⊕

Metric	Earth	HD 132406 b	Jupiter
Radius (R⊕)	1.00	12.80	11.21
Mass (M⊕)	1.00	1,887.90	317.83
Density (g/cm³)	5.51	4.95	1.33
Surface Gravity (g)	1.00	11.52	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	1,887.901 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	1,668.599 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 132406

HIP

HIP 73146

TIC

TIC 309808219

Gaia DR2

Gaia DR2 1594127865540229888

Gaia DR3

Gaia DR3 1594127865540229888

System

HD 132406

Percentile among Gas Giant cohort

Radius 12.800 R⊕ · percentile 37 / cohort 1771

Mass 1,887.901 M⊕ · percentile 79 / cohort 1747

Orbital period 908.00 d · percentile 76 / cohort 1533

Distance 70.78 pc · percentile 28 / cohort 1759

ESI 0.438 · percentile 97 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

908.000 days

Semi-major axis

1.9800 AU

Eccentricity

0.250

Inclination

122.00 °

Year Length

A year here lasts about 2.49 Earth years on a mildly elliptical path at a mean orbital distance of 1.9800 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.438

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

Da Silva et al. 2007

Instrument

ELODIE Spectrograph

Publication

2007-10

Observation locale

Ground

Discovery cohort

Planets confirmed in 2007 at Haute-Provence Observatory (2 shown).

HD 196885 A b · Gas Giant HD 43691 b · Gas Giant

Host System: HD 132406

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,766 K — cooler than the Sun (5,778 K)

Estimated Age

7.19 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.340 R☉

Stellar Mass

0.973 M☉

Metallicity [Fe/H]

0.13

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

0.584 g/cm³

Systemic radial velocity

-37.80 km/s

Metallicity ratio

[M/H]

Distance

70.78 parsec

Light-years 230.86 ly

V-band magnitude

8.45 mag

Voyager-speed travel 4,071,280 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

14.099 mas

Total Proper Motion

280.734 mas/yr

PM Right Ascension

-13.98 mas/yr

PM Declination

-280.39 mas/yr

Galactic Cartesian (pc)

x = -0.427 · y = -0.416 · z = 0.803

Equatorial (J2000)

RA 224.22761° · Dec 53.38096°

Galactic ℓ, b

90.148° · 55.011°

Ecliptic λ, β

188.310° · 64.407°

HTM-20 index

119141661

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