Key parameters at a glance

A radius of 12.40 Earth radii
A mass of 3,496.00 Earth masses
Surface gravity around 22.74 g
Semi-major axis 650.0000 AU
Equilibrium temperature 1,800 K (1527 °C)
Distance from Earth 336.04 light-years
Earth Similarity Index 0.079
Travel time at Voyager 1 speed 5,925,982 years

HD 106906 b Planet Profile

Physical Specs

Radius

12.40 R⊕

Radius (Jupiter)

1.110 R♃

Mass

3,496.00 M⊕

Mass (Jupiter)

11.000 M♃

Density

10.10 g/cm³

Surface Gravity

22.74 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.079

HZ Position Unknown

Controversial No

Discovery

Year 2013

Method Imaging

Facility Las Campanas Observatory

Telescope 6.5 m Magellan II Clay 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 106906 b	Jupiter
Radius (R⊕)	1.00	12.40	11.21
Mass (M⊕)	1.00	3,496.00	317.83
Density (g/cm³)	5.51	10.10	1.33
Surface Gravity (g)	1.00	22.74	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	3,496.000 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 106906

HIP

HIP 59960

TIC

TIC 390472975

Gaia DR2

Gaia DR2 6072902994276659200

Gaia DR3

Gaia DR3 6072902994276659200

System

HD 106906

Percentile among Gas Giant cohort

Radius 12.400 R⊕ · percentile 25 / cohort 1771

Mass 3,496.000 M⊕ · percentile 89 / cohort 1747

Distance 103.03 pc · percentile 35 / cohort 1759

ESI 0.079 · percentile 18 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

650.0000 AU

Eccentricity

—

Inclination

— °

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

1,800K

(1527 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.079

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Discovery Paper

Primary reference

Bailey et al. 2014

Instrument

Clio2 Camera

Publication

2014-01

Observation locale

Ground

Host System: HD 106906

Spectral Class

F-type yellow-white

Effective Temperature

6,516 K — hotter than the Sun (5,778 K)

Estimated Age

0.01 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

2.124 R☉

Stellar Mass

1.500 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

3.905 dex

Stellar density

0.194 g/cm³

Systemic radial velocity

11.10 km/s

Rotational v·sin i

49.12 km/s

Metallicity ratio

[Fe/H]

Distance

103.03 parsec

Light-years 336.04 ly

V-band magnitude

7.80 mag

Voyager-speed travel 5,925,982 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

9.677 mas

Total Proper Motion

41.082 mas/yr

PM Right Ascension

-39.01 mas/yr

PM Declination

-12.87 mas/yr

Galactic Cartesian (pc)

x = -0.558 · y = -0.044 · z = -0.829

Equatorial (J2000)

RA 184.47133° · Dec -55.97558°

Galactic ℓ, b

298.219° · 6.589°

Ecliptic λ, β

213.530° · -47.992°

HTM-20 index

782986767