Key parameters at a glance

A radius of 13.10 Earth radii
A mass of 973.00 Earth masses
Surface gravity around 5.67 g
An orbital period of 352.200 days
Semi-major axis 1.0800 AU
Distance from Earth 249.58 light-years
Earth Similarity Index 0.399
Travel time at Voyager 1 speed 4,401,345 years

1 sibling around HD 67087

HD 67087 b shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
HD 67087 b this	Gas Giant	13.10	973.00	352.200	—	2015
HD 67087 c	Gas Giant	12.90	1,540.00	2,374.000	—	2015

HD 67087 b Planet Profile

Physical Specs

Radius

13.10 R⊕

Radius (Jupiter)

1.170 R♃

Mass

973.00 M⊕

Mass (Jupiter)

3.060 M♃

Density

2.38 g/cm³

Surface Gravity

5.67 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.399

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#910of 1771

top 51.3%

This planet

13.10R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

GJ 3021 b 13.10 R⊕ HD 221287 b 13.10 R⊕ HD 37605 c 13.10 R⊕

Metric	Earth	HD 67087 b	Jupiter
Radius (R⊕)	1.00	13.10	11.21
Mass (M⊕)	1.00	973.00	317.83
Density (g/cm³)	5.51	2.38	1.33
Surface Gravity (g)	1.00	5.67	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	973.000 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 67087

HIP

HIP 39767

TIC

TIC 165796397

Gaia DR2

Gaia DR2 877846136542812160

Gaia DR3

Gaia DR3 877846136542812160

System

HD 67087

Percentile among Gas Giant cohort

Radius 13.100 R⊕ · percentile 46 / cohort 1771

Mass 973.000 M⊕ · percentile 66 / cohort 1747

Orbital period 352.20 d · percentile 62 / cohort 1533

Distance 76.52 pc · percentile 30 / cohort 1759

ESI 0.399 · percentile 85 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

352.200 days

Semi-major axis

1.0800 AU

Eccentricity

0.170

Inclination

— °

Year Length

A year here lasts approximately 352.20 Earth days (96.4% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 1.0800 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.399

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Harakawa et al. 2015

Instrument

Multiple Instruments

Publication

2015-06

Observation locale

Ground

Discovery cohort

Planets confirmed in 2015 at Multiple Observatories (8 shown).

HD 1666 b · Gas Giant HIP 67851 c · Gas Giant HD 67087 c · Gas Giant KELT-6 c · Gas Giant HD 1605 c · Gas Giant HIP 107773 b · Gas Giant HIP 67851 b · Gas Giant HD 1605 b · Gas Giant

Host System: HD 67087

Spectral Class

F-type yellow-white

Effective Temperature

6,330 K — hotter than the Sun (5,778 K)

Estimated Age

1.45 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.550 R☉

Stellar Mass

1.360 M☉

Metallicity [Fe/H]

0.25

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

0.632 g/cm³

Systemic radial velocity

0.62 km/s

Rotational v·sin i

9.70 km/s

Metallicity ratio

[Fe/H]

Distance

76.52 parsec

Light-years 249.58 ly

V-band magnitude

8.05 mag

Voyager-speed travel 4,401,345 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

13.040 mas

Total Proper Motion

41.148 mas/yr

PM Right Ascension

-16.51 mas/yr

PM Declination

-37.69 mas/yr

Galactic Cartesian (pc)

x = -0.451 · y = 0.723 · z = 0.523

Equatorial (J2000)

RA 121.91557° · Dec 31.55116°

Galactic ℓ, b

190.118° · 29.092°

Ecliptic λ, β

117.325° · 11.090°

HTM-20 index

1248697000