Key parameters at a glance

A radius of 14.00 Earth radii
A mass of 238.37 Earth masses
Surface gravity around 1.22 g
An orbital period of 273.100 days
Semi-major axis 0.9800 AU
Distance from Earth 363.80 light-years
Earth Similarity Index 0.284
Travel time at Voyager 1 speed 6,415,629 years

HD 360 b Planet Profile

Physical Specs

Radius

14.00 R⊕

Radius (Jupiter)

1.250 R♃

Mass

238.37 M⊕

Mass (Jupiter)

0.750 M♃

Density

0.48 g/cm³

Surface Gravity

1.22 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.284

HZ Position Unknown

Controversial No

Discovery

Year 2021

Method Radial Velocity

Facility Okayama Astrophysical Observatory

Telescope 1.88 m Telescope

Size rank in cohort

Rank by radius

#415of 1771

top 23.4%

This planet

14.00R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 9446 b 14.00 R⊕ HD 156411 b 14.00 R⊕ HD 224693 b 14.00 R⊕

Metric	Earth	HD 360 b	Jupiter
Radius (R⊕)	1.00	14.00	11.21
Mass (M⊕)	1.00	238.37	317.83
Density (g/cm³)	5.51	0.48	1.33
Surface Gravity (g)	1.00	1.22	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	238.371 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 360

TIC

TIC 37652064

Gaia DR2

Gaia DR2 2429415922764859392

Gaia DR3

Gaia DR3 2429415922764859392

System

HD 360

Percentile among Gas Giant cohort

Radius 14.000 R⊕ · percentile 74 / cohort 1771

Mass 238.371 M⊕ · percentile 25 / cohort 1747

Orbital period 273.10 d · percentile 60 / cohort 1533

Distance 111.54 pc · percentile 37 / cohort 1759

ESI 0.284 · percentile 53 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

273.100 days

Semi-major axis

0.9800 AU

Eccentricity

0.139

Inclination

— °

Year Length

A year here lasts approximately 273.10 Earth days (74.8% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.9800 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.284

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Teng et al. 2021

Instrument

HIDES Echelle Spectrograph

Publication

2021-12

Observation locale

Ground

Discovery cohort

Planets confirmed in 2021 at Okayama Astrophysical Observatory (7 shown).

gam Psc b · Gas Giant HD 99283 b · Gas Giant HD 219139 b · Gas Giant HD 79181 b · Gas Giant HD 161178 b · Gas Giant ups Leo b · Gas Giant HD 10975 b · Gas Giant

Host System: HD 360

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

4,770 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

10.860 R☉

Stellar Mass

1.690 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

2.590 dex

Rotational v·sin i

1.86 km/s

Metallicity ratio

[Fe/H]

Distance

111.54 parsec

Light-years 363.80 ly

V-band magnitude

5.99 mag

Voyager-speed travel 6,415,629 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

8.938 mas

Total Proper Motion

48.849 mas/yr

PM Right Ascension

-34.41 mas/yr

PM Declination

-34.67 mas/yr

Galactic Cartesian (pc)

x = 0.988 · y = 0.036 · z = -0.153

Equatorial (J2000)

RA 2.07290° · Dec -8.82426°

Galactic ℓ, b

91.793° · -69.045°

Ecliptic λ, β

358.359° · -8.915°

HTM-20 index

520614608