Key parameters at a glance

A radius of 12.00 Earth radii
A mass of 7,977.49 Earth masses
Surface gravity around 55.40 g
An orbital period of 17,281.665 days
Semi-major axis 10.1380 AU
Distance from Earth 31.55 light-years
Earth Similarity Index 0.265
Travel time at Voyager 1 speed 556,376 years

GJ 680 b Planet Profile

Physical Specs

Radius

12.00 R⊕

Radius (Jupiter)

1.070 R♃

Mass

7,977.49 M⊕

Mass (Jupiter)

25.100 M♃

Density

25.40 g/cm³

Surface Gravity

55.40 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.265

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1494of 1771

top 84.3%

This planet

12.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 80913 b 12.00 R⊕ HIP 78530 b 12.00 R⊕ HD 221420 b 12.00 R⊕

Metric	Earth	GJ 680 b	Jupiter
Radius (R⊕)	1.00	12.00	11.21
Mass (M⊕)	1.00	7,977.49	317.83
Density (g/cm³)	5.51	25.40	1.33
Surface Gravity (g)	1.00	55.40	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	7,977.493 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HIP

HIP 86057

TIC

TIC 325624908

Gaia DR2

Gaia DR2 5946986063684477056

Gaia DR3

Gaia DR3 5946986063684477056

System

HIP 86057

Percentile among Gas Giant cohort

Radius 12.000 R⊕ · percentile 15 / cohort 1771

Mass 7,977.493 M⊕ · percentile 99 / cohort 1747

Orbital period 17,281.67 d · percentile 97 / cohort 1533

Distance 9.67 pc · percentile 1 / cohort 1759

ESI 0.265 · percentile 49 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

17,281.665 days

Semi-major axis

10.1380 AU

Eccentricity

0.381

Inclination

21.98 °

Year Length

A year here lasts about 47.31 Earth years on a highly eccentric trajectory at a mean orbital distance of 10.1380 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.265

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 680

Spectral Class

K-type orange

Effective Temperature

3,563 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.459 R☉

Stellar Mass

0.456 M☉

Metallicity [Fe/H]

—

Distance

9.67 parsec

Light-years 31.55 ly

V-band magnitude

10.13 mag

Voyager-speed travel 556,376 yr

Multi-band Host Photometry — 8 bands

Astrometric Data

Parallax

103.350 mas

Total Proper Motion

476.188 mas/yr

PM Right Ascension

74.41 mas/yr

PM Declination

470.34 mas/yr

Galactic Cartesian (pc)

x = -0.071 · y = -0.656 · z = -0.751

Equatorial (J2000)

RA 263.80722° · Dec -48.67884°

Galactic ℓ, b

342.079° · -8.663°

Ecliptic λ, β

265.476° · -25.337°

HTM-20 index

2147323689

Similar Worlds

HD 180314 b

Gas Giant · K-type orange

Radius 12.00 R⊕ · 399.1 ly

nu Oph b

Gas Giant · K-type orange

Radius 12.00 R⊕ · 150.7 ly

nu Oph c

Gas Giant · K-type orange

Radius 12.00 R⊕ · 150.7 ly

HD 81817 b

Gas Giant · K-type orange

Radius 12.00 R⊕ · 877.8 ly

HD 81817 c

Gas Giant · K-type orange

Radius 12.00 R⊕ · 877.8 ly

HAT-P-68 b

Gas Giant · K-type orange

Radius 12.02 R⊕ · 659.3 ly

Explore Related Categories

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