Key parameters at a glance

A radius of 13.60 Earth radii
A mass of 444.01 Earth masses
Surface gravity around 2.40 g
An orbital period of 417.670 days
Semi-major axis 1.2200 AU
Distance from Earth 161.98 light-years
Earth Similarity Index 0.336
Travel time at Voyager 1 speed 2,856,514 years

HD 167042 b Planet Profile

Physical Specs

Radius

13.60 R⊕

Radius (Jupiter)

1.210 R♃

Mass

444.01 M⊕

Mass (Jupiter)

1.397 M♃

Density

0.97 g/cm³

Surface Gravity

2.40 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.336

HZ Position Unknown

Controversial No

Discovery

Year 2007

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 167042 b	Jupiter
Radius (R⊕)	1.00	13.60	11.21
Mass (M⊕)	1.00	444.01	317.83
Density (g/cm³)	5.51	0.97	1.33
Surface Gravity (g)	1.00	2.40	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	444.006 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 167042

HIP

HIP 89047

TIC

TIC 353988778

Gaia DR2

Gaia DR2 2149564787289902848

Gaia DR3

Gaia DR3 2149564787289902848

System

HD 167042

Percentile among Gas Giant cohort

Radius 13.600 R⊕ · percentile 63 / cohort 1771

Mass 444.006 M⊕ · percentile 45 / cohort 1747

Orbital period 417.67 d · percentile 65 / cohort 1533

Distance 49.66 pc · percentile 19 / cohort 1759

ESI 0.336 · percentile 67 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

417.670 days

Semi-major axis

1.2200 AU

Eccentricity

0.010

Inclination

— °

Year Length

A year here lasts about 1.14 Earth years on a nearly circular orbit at a mean orbital distance of 1.2200 AU.

Extended Orbital Architecture

RV semi-amplitude (K)

30.520 m/s

Transit mid-time (BJD)

2,454,232.0000

Long. of periastron (ω)

54.40°

Angular separation (arcsec)

24.60000

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.336

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Johnson et al. 2008

Instrument

Hamilton Echelle Spectrograph

Publication

2008-03

Observation locale

Ground

Discovery cohort

Planets confirmed in 2007 at Lick Observatory (3 shown).

HD 192699 b · Gas Giant kap CrB b · Gas Giant HD 210702 b · Gas Giant

Host System: HD 167042

Spectral Class

K-type orange

Effective Temperature

4,919 K — cooler than the Sun (5,778 K)

Estimated Age

2.20 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

4.630 R☉

Stellar Mass

1.390 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

3.230 dex

Systemic radial velocity

-18.15 km/s

Rotational v·sin i

1.50 km/s

Metallicity ratio

[Fe/H]

Distance

49.66 parsec

Light-years 161.98 ly

V-band magnitude

5.99 mag

Voyager-speed travel 2,856,514 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

20.107 mas

Total Proper Motion

269.538 mas/yr

PM Right Ascension

107.23 mas/yr

PM Declination

247.29 mas/yr

Galactic Cartesian (pc)

x = 0.027 · y = -0.583 · z = 0.812

Equatorial (J2000)

RA 272.63263° · Dec 54.28762°

Galactic ℓ, b

82.549° · 27.547°

Ecliptic λ, β

277.204° · 77.661°

HTM-20 index

-261696616

Similar Worlds

HS Psc b

Gas Giant · K-type orange

Radius 13.60 R⊕ · 122.8 ly

HD 185283 b

Gas Giant · K-type orange

Radius 13.60 R⊕ · 102.4 ly

HD 331093 b

Gas Giant · K-type orange

Radius 13.60 R⊕ · 163.7 ly

HD 10442 b

Gas Giant · K-type orange

Radius 13.60 R⊕ · 441.5 ly

HD 83443 c

Gas Giant · K-type orange

Radius 13.60 R⊕ · 133.4 ly

HD 141399 c

Gas Giant · K-type orange

Radius 13.60 R⊕ · 120.7 ly

Explore Related Categories

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