Key parameters at a glance

A radius of 12.30 Earth radii
A mass of 4,154.02 Earth masses
Surface gravity around 27.46 g
An orbital period of 14,010.294 days
Semi-major axis 11.1540 AU
Distance from Earth 183.18 light-years
Earth Similarity Index 0.346
Travel time at Voyager 1 speed 3,230,361 years

1 sibling around HD 93351

HD 93351 c 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 93351 b	Super-Earth	1.69	3.50	2.459	—	2022
HD 93351 c this	Gas Giant	12.30	4,154.02	14,010.294	—	2022

HD 93351 c Planet Profile

Physical Specs

Radius

12.30 R⊕

Radius (Jupiter)

1.100 R♃

Mass

4,154.02 M⊕

Mass (Jupiter)

13.070 M♃

Density

12.30 g/cm³

Surface Gravity

27.46 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.346

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1349of 1771

top 76.1%

This planet

12.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HAT-P-13 c 12.30 R⊕ HD 22781 b 12.30 R⊕ CHXR 73 b 12.30 R⊕

Metric	Earth	HD 93351 c	Jupiter
Radius (R⊕)	1.00	12.30	11.21
Mass (M⊕)	1.00	4,154.02	317.83
Density (g/cm³)	5.51	12.30	1.33
Surface Gravity (g)	1.00	27.46	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	4,154.017 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 93351

TIC

TIC 318093199

Gaia DR2

Gaia DR2 3802693370192254336

Gaia DR3

Gaia DR3 3802693370192254336

System

HD 93351

Percentile among Gas Giant cohort

Radius 12.300 R⊕ · percentile 22 / cohort 1771

Mass 4,154.017 M⊕ · percentile 92 / cohort 1747

Orbital period 14,010.29 d · percentile 96 / cohort 1533

Distance 56.16 pc · percentile 23 / cohort 1759

ESI 0.346 · percentile 70 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

14,010.294 days

Semi-major axis

11.1540 AU

Eccentricity

0.109

Inclination

14.64 °

Year Length

A year here lasts about 38.36 Earth years on a mildly elliptical path at a mean orbital distance of 11.1540 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.346

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Feng et al. 2022

Instrument

Multiple Instruments

Publication

2022-09

Observation locale

Ground

Discovery cohort

Planets confirmed in 2022 at Multiple Observatories (12 shown).

Kepler-138 e · Rocky Terrestrial HD 93351 b · Super-Earth GJ 1002 b · Rocky Terrestrial GJ 2030 b · Sub-Neptune GJ 3929 c · Sub-Neptune HD 217786 c · Sub-Neptune GJ 1002 c · Rocky Terrestrial HD 155918 b · Sub-Neptune HD 213519 b · Sub-Neptune HD 191939 g · Sub-Neptune GJ 514 b · Sub-Neptune HD 12235 b · Sub-Neptune

Host System: HD 93351

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,408 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.911 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

-0.23

Extended Stellar Properties

Surface gravity (log g)

4.492 dex

Stellar density

1.750 g/cm³

Metallicity ratio

[M/H]

Distance

56.16 parsec

Light-years 183.18 ly

V-band magnitude

9.12 mag

Voyager-speed travel 3,230,361 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

17.777 mas

Total Proper Motion

167.557 mas/yr

PM Right Ascension

88.05 mas/yr

PM Declination

-142.56 mas/yr

Galactic Cartesian (pc)

x = -0.949 · y = 0.314 · z = -0.029

Equatorial (J2000)

RA 161.67793° · Dec -1.68858°

Galactic ℓ, b

251.736° · 48.387°

Ecliptic λ, β

163.746° · -8.744°

HTM-20 index

-999538360