Key parameters at a glance

A radius of 12.60 Earth radii
A mass of 2,589.98 Earth masses
Surface gravity around 16.31 g
An orbital period of 26,125.565 days
Semi-major axis 15.8980 AU
Distance from Earth 163.62 light-years
Earth Similarity Index 0.412
Travel time at Voyager 1 speed 2,885,526 years

HIP 35965 b Planet Profile

Physical Specs

Radius

12.60 R⊕

Radius (Jupiter)

1.120 R♃

Mass

2,589.98 M⊕

Mass (Jupiter)

8.149 M♃

Density

7.11 g/cm³

Surface Gravity

16.31 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.412

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1179of 1771

top 66.5%

This planet

12.60R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Kepler-419 c 12.60 R⊕ 2MASS J04414489+2301513 b 12.60 R⊕ HD 47536 b 12.60 R⊕

Metric	Earth	HIP 35965 b	Jupiter
Radius (R⊕)	1.00	12.60	11.21
Mass (M⊕)	1.00	2,589.98	317.83
Density (g/cm³)	5.51	7.11	1.33
Surface Gravity (g)	1.00	16.31	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	2,589.984 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HIP

HIP 35965

TIC

TIC 291466351

Gaia DR2

Gaia DR2 5493625121366825984

Gaia DR3

Gaia DR3 5493625121366825984

System

HIP 35965

Percentile among Gas Giant cohort

Radius 12.600 R⊕ · percentile 31 / cohort 1771

Mass 2,589.984 M⊕ · percentile 84 / cohort 1747

Orbital period 26,125.56 d · percentile 98 / cohort 1533

Distance 50.17 pc · percentile 19 / cohort 1759

ESI 0.412 · percentile 89 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

26,125.565 days

Semi-major axis

15.8980 AU

Eccentricity

0.138

Inclination

43.70 °

Year Length

A year here lasts about 71.53 Earth years on a mildly elliptical path at a mean orbital distance of 15.8980 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.412

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: HIP 35965

Spectral Class

K-type orange

Effective Temperature

4,836 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.698 R☉

Stellar Mass

0.780 M☉

Metallicity [Fe/H]

—

Distance

50.17 parsec

Light-years 163.62 ly

V-band magnitude

10.18 mag

Voyager-speed travel 2,885,526 yr

Multi-band Host Photometry — 7 bands

Astrometric Data

Parallax

19.904 mas

Total Proper Motion

433.447 mas/yr

PM Right Ascension

183.63 mas/yr

PM Declination

392.63 mas/yr

Galactic Cartesian (pc)

x = -0.226 · y = 0.583 · z = -0.781

Equatorial (J2000)

RA 111.20252° · Dec -51.32575°

Galactic ℓ, b

262.906° · -15.980°

Ecliptic λ, β

135.255° · -71.447°

HTM-20 index

151150216

Similar Worlds

4 UMa b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 239.6 ly

HD 47536 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 399.7 ly

HD 19615 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 864.8 ly

HIP 8541 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 505.9 ly

HD 203387 c

Gas Giant · K-type orange

Radius 12.60 R⊕ · 201.4 ly

HD 102329 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 708.1 ly

Explore Related Categories

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