Key parameters at a glance

A radius of 13.40 Earth radii
A mass of 117.59 Earth masses
Surface gravity around 0.65 g
An orbital period of 143.580 days
Semi-major axis 0.4770 AU
Distance from Earth 93.01 light-years
Earth Similarity Index 0.251
Travel time at Voyager 1 speed 1,640,166 years

HD 93083 b Planet Profile

Physical Specs

Radius

13.40 R⊕

Radius (Jupiter)

1.200 R♃

Mass

117.59 M⊕

Mass (Jupiter)

0.370 M♃

Density

0.27 g/cm³

Surface Gravity

0.65 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.251

HZ Position Unknown

Controversial No

Discovery

Year 2005

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Size rank in cohort

Rank by radius

#730of 1771

top 41.2%

This planet

13.40R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 114783 c 13.40 R⊕ HIP 79431 b 13.40 R⊕ HD 68988 b 13.40 R⊕

Metric	Earth	HD 93083 b	Jupiter
Radius (R⊕)	1.00	13.40	11.21
Mass (M⊕)	1.00	117.59	317.83
Density (g/cm³)	5.51	0.27	1.33
Surface Gravity (g)	1.00	0.65	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	117.590 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 93083

HIP

HIP 52521

TIC

TIC 54237857

Gaia DR2

Gaia DR2 5450573881018549760

Gaia DR3

Gaia DR3 5450573881018549760

System

HD 93083

Percentile among Gas Giant cohort

Radius 13.400 R⊕ · percentile 56 / cohort 1771

Mass 117.590 M⊕ · percentile 7 / cohort 1747

Orbital period 143.58 d · percentile 55 / cohort 1533

Distance 28.52 pc · percentile 7 / cohort 1759

ESI 0.251 · percentile 45 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

143.580 days

Semi-major axis

0.4770 AU

Eccentricity

0.140

Inclination

— °

Year Length

A year here lasts approximately 143.58 Earth days (39.3% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.4770 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.251

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Lovis et al. 2005

Instrument

HARPS Spectrograph

Publication

2005-07

Observation locale

Ground

Discovery cohort

Planets confirmed in 2005 at La Silla Observatory (10 shown).

HD 4308 b · Neptune-like GJ 581 b · Neptune-like HD 11977 b · Gas Giant HD 142022 A b · Gas Giant HD 102117 b · Neptune-like HD 101930 b · Gas Giant HD 27894 b · Gas Giant HD 212301 b · Gas Giant HD 63454 b · Gas Giant HD 2638 b · Gas Giant

Host System: HD 93083

Spectral Class

K-type orange

Effective Temperature

4,995 K — cooler than the Sun (5,778 K)

Estimated Age

7.71 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.851 R☉

Stellar Mass

0.700 M☉

Metallicity [Fe/H]

0.15

Extended Stellar Properties

Surface gravity (log g)

4.260 dex

Stellar density

2.048 g/cm³

Systemic radial velocity

43.38 km/s

Rotational v·sin i

0.90 km/s

Metallicity ratio

[Fe/H]

Distance

28.52 parsec

Light-years 93.01 ly

V-band magnitude

8.30 mag

Voyager-speed travel 1,640,166 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

35.039 mas

Total Proper Motion

178.252 mas/yr

PM Right Ascension

-92.72 mas/yr

PM Declination

-152.24 mas/yr

Galactic Cartesian (pc)

x = -0.788 · y = 0.270 · z = -0.553

Equatorial (J2000)

RA 161.08667° · Dec -33.57768°

Galactic ℓ, b

274.645° · 22.221°

Ecliptic λ, β

177.978° · -37.941°

HTM-20 index

-307237231

Observation Record

Photometric series

RV measurements

Archive notes

Similar Worlds

Kepler-48 e

Gas Giant · K-type orange

Radius 13.40 R⊕ · 1,000.4 ly

HD 47366 b

Gas Giant · K-type orange

Radius 13.40 R⊕ · 275.1 ly

HIP 114933 b

Gas Giant · K-type orange

Radius 13.40 R⊕ · 331.9 ly

HD 114783 c

Gas Giant · K-type orange

Radius 13.40 R⊕ · 68.7 ly

HD 4732 b

Gas Giant · K-type orange

Radius 13.40 R⊕ · 178.7 ly

HD 33844 b

Gas Giant · K-type orange

Radius 13.40 R⊕ · 345.0 ly

Explore Related Categories

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