Key parameters at a glance

A radius of 11.21 Earth radii
A mass of 2,542.63 Earth masses
Surface gravity around 20.24 g
An orbital period of 109.750 days
Semi-major axis 0.5109 AU
Distance from Earth 311.12 light-years
Earth Similarity Index 0.387
Travel time at Voyager 1 speed 5,486,639 years

HD 114082 b Planet Profile

Physical Specs

Radius

11.21 R⊕

Radius (Jupiter)

1.000 R♃

Mass

2,542.63 M⊕

Mass (Jupiter)

8.000 M♃

Density

9.92 g/cm³

Surface Gravity

20.24 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.387

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Radial Velocity

Facility La Silla Observatory

Telescope 2.2 m MPG/ESO Telescope

Size rank in cohort

Rank by radius

#1633of 1771

top 92.2%

This planet

11.21R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-4406 b 11.21 R⊕ TOI-2524 b 11.21 R⊕ TOI-2338 b 11.21 R⊕

Metric	Earth	HD 114082 b	Jupiter
Radius (R⊕)	1.00	11.21	11.21
Mass (M⊕)	1.00	2,542.63	317.83
Density (g/cm³)	5.51	9.92	1.33
Surface Gravity (g)	1.00	20.24	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	2,542.627 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 114082

HIP

HIP 64184

TIC

TIC 441546821

Gaia DR2

Gaia DR2 6055854551117476480

Gaia DR3

Gaia DR3 6055854551117476480

System

HD 114082

Percentile among Gas Giant cohort

Radius 11.209 R⊕ · percentile 8 / cohort 1771

Mass 2,542.627 M⊕ · percentile 83 / cohort 1747

Orbital period 109.75 d · percentile 54 / cohort 1533

Distance 95.39 pc · percentile 34 / cohort 1759

ESI 0.387 · percentile 82 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

109.750 days

Semi-major axis

0.5109 AU

Eccentricity

0.395

Inclination

90.00 °

Year Length

A year here lasts approximately 109.75 Earth days (30.0% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.5109 AU.

Transit Fingerprint

Rp / R★

0.067180

Transit midpoint (BJD)

2,459,339.0385

Extended Orbital Architecture

Planet / star radius ratio

0.067180

Semi-major axis / stellar radius

70.400

RV semi-amplitude (K)

287.000 m/s

Transit mid-time (BJD)

2,459,339.0385

Long. of periastron (ω)

211.70°

Angular separation (arcsec)

5.36000

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.387

0 = alien, 1 = Earth-identical

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Zakhozhay et al. 2022

Instrument

FEROS Spectrograph

Publication

2022-11

Observation locale

Ground

Discovery cohort

Planets confirmed in 2022 at La Silla Observatory (12 shown).

TOI-500 c · Sub-Neptune pi Men d · Sub-Neptune TOI-500 e · Sub-Neptune CoRoT-7 d · Neptune-like TOI-500 d · Neptune-like HD 69123 b · Gas Giant HD 103891 b · Gas Giant HD 64121 b · Gas Giant HD 22532 b · Gas Giant HD 29399 b · Gas Giant iot Dra c · Gas Giant HD 105779 b · Gas Giant

Host System: HD 114082

Spectral Class

F-type yellow-white

Effective Temperature

6,651 K — hotter than the Sun (5,778 K)

Estimated Age

0.01 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.490 R☉

Stellar Mass

1.470 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

0.585 g/cm³

Rotational v·sin i

39.20 km/s

Rotation period

1.92 days

Metallicity ratio

[Fe/H]

Distance

95.39 parsec

Light-years 311.12 ly

V-band magnitude

8.20 mag

Voyager-speed travel 5,486,639 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

10.455 mas

Total Proper Motion

44.433 mas/yr

PM Right Ascension

-39.61 mas/yr

PM Declination

-20.13 mas/yr

Galactic Cartesian (pc)

x = -0.473 · y = -0.147 · z = -0.869

Equatorial (J2000)

RA 197.31712° · Dec -60.30843°

Galactic ℓ, b

305.140° · 2.487°

Ecliptic λ, β

225.473° · -47.593°

HTM-20 index

-1312682483