Key parameters at a glance

A radius of 12.50 Earth radii
A mass of 2,988.54 Earth masses
Surface gravity around 19.13 g
An orbital period of 19,240.755 days
Semi-major axis 12.3190 AU
Distance from Earth 66.90 light-years
Earth Similarity Index 0.391
Travel time at Voyager 1 speed 1,179,807 years

GJ 9714 b Planet Profile

Physical Specs

Radius

12.50 R⊕

Radius (Jupiter)

1.120 R♃

Mass

2,988.54 M⊕

Mass (Jupiter)

9.403 M♃

Density

8.41 g/cm³

Surface Gravity

19.13 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.391

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1235of 1771

top 69.7%

This planet

12.50R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 156279 c 12.50 R⊕ HD 33283 b 12.50 R⊕ HD 156279 b 12.50 R⊕

Metric	Earth	GJ 9714 b	Jupiter
Radius (R⊕)	1.00	12.50	11.21
Mass (M⊕)	1.00	2,988.54	317.83
Density (g/cm³)	5.51	8.41	1.33
Surface Gravity (g)	1.00	19.13	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	2,988.541 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 199981

HIP

HIP 103768

TIC

TIC 92566472

Gaia DR2

Gaia DR2 6781117812601143168

Gaia DR3

Gaia DR3 6781117812601143168

System

HIP 103768

Percentile among Gas Giant cohort

Radius 12.500 R⊕ · percentile 28 / cohort 1771

Mass 2,988.541 M⊕ · percentile 86 / cohort 1747

Orbital period 19,240.75 d · percentile 98 / cohort 1533

Distance 20.51 pc · percentile 4 / cohort 1759

ESI 0.391 · percentile 83 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

19,240.755 days

Semi-major axis

12.3190 AU

Eccentricity

0.155

Inclination

155.33 °

Year Length

A year here lasts about 52.68 Earth years on a mildly elliptical path at a mean orbital distance of 12.3190 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.391

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: GJ 9714

Spectral Class

K-type orange

Effective Temperature

4,263 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.663 R☉

Stellar Mass

0.670 M☉

Metallicity [Fe/H]

—

Distance

20.51 parsec

Light-years 66.90 ly

V-band magnitude

9.37 mag

Voyager-speed travel 1,179,807 yr

Multi-band Host Photometry — 8 bands

Astrometric Data

Parallax

48.723 mas

Total Proper Motion

274.806 mas/yr

PM Right Ascension

246.31 mas/yr

PM Declination

-121.86 mas/yr

Galactic Cartesian (pc)

x = 0.600 · y = -0.592 · z = -0.538

Equatorial (J2000)

RA 315.41418° · Dec -32.52500°

Galactic ℓ, b

12.014° · -40.463°

Ecliptic λ, β

308.423° · -14.943°

HTM-20 index

-1597065493

Similar Worlds

HD 38801 b

Gas Giant · K-type orange

Radius 12.50 R⊕ · 298.2 ly

HD 86065 b

Gas Giant · K-type orange

Radius 12.50 R⊕ · 131.7 ly

HD 115404 A c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 35.8 ly

HD 94890 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 201.2 ly

BD-08 2823 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 134.8 ly

HD 164604 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 128.4 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Multiple Observatories Mission K-type orange Hosts