Key parameters at a glance

A radius of 13.80 Earth radii
A mass of 317.83 Earth masses
Surface gravity around 1.67 g
An orbital period of 2,093.300 days
Semi-major axis 3.2000 AU
Distance from Earth 538.76 light-years
Earth Similarity Index 0.308
Travel time at Voyager 1 speed 9,500,988 years

HD 219415 b Planet Profile

Physical Specs

Radius

13.80 R⊕

Radius (Jupiter)

1.230 R♃

Mass

317.83 M⊕

Mass (Jupiter)

1.000 M♃

Density

0.67 g/cm³

Surface Gravity

1.67 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.308

HZ Position Unknown

Controversial No

Discovery

Year 2012

Method Radial Velocity

Facility McDonald Observatory

Telescope 9.2 m Hobby-Eberly Telescope

Size rank in cohort

Rank by radius

#510of 1771

top 28.7%

This planet

13.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

GJ 179 b 13.80 R⊕ GJ 832 b 13.80 R⊕ BD+15 2375 b 13.80 R⊕

Metric	Earth	HD 219415 b	Jupiter
Radius (R⊕)	1.00	13.80	11.21
Mass (M⊕)	1.00	317.83	317.83
Density (g/cm³)	5.51	0.67	1.33
Surface Gravity (g)	1.00	1.67	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	317.830 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 219415

TIC

TIC 323819453

Gaia DR2

Gaia DR2 2009255593080688640

Gaia DR3

Gaia DR3 2009255593080688640

System

HD 219415

Percentile among Gas Giant cohort

Radius 13.800 R⊕ · percentile 70 / cohort 1771

Mass 317.830 M⊕ · percentile 35 / cohort 1747

Orbital period 2,093.30 d · percentile 85 / cohort 1533

Distance 165.18 pc · percentile 47 / cohort 1759

ESI 0.308 · percentile 61 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

2,093.300 days

Semi-major axis

3.2000 AU

Eccentricity

0.400

Inclination

— °

Year Length

A year here lasts about 5.73 Earth years on a highly eccentric trajectory at a mean orbital distance of 3.2000 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.308

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Gettel et al. 2012

Instrument

High Resolution Spectrograph

Publication

2012-09

Observation locale

Ground

Discovery cohort

Planets confirmed in 2012 at McDonald Observatory (2 shown).

BD+20 274 b · Gas Giant HD 197037 b · Gas Giant

Host System: HD 219415

Spectral Class

K-type orange

Effective Temperature

4,820 K — cooler than the Sun (5,778 K)

Estimated Age

7.23 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

2.900 R☉

Stellar Mass

1.000 M☉

Metallicity [Fe/H]

-0.04

Extended Stellar Properties

Surface gravity (log g)

3.510 dex

Systemic radial velocity

-83.37 km/s

Metallicity ratio

[Fe/H]

Distance

165.18 parsec

Light-years 538.76 ly

V-band magnitude

8.91 mag

Voyager-speed travel 9,500,988 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

6.025 mas

Total Proper Motion

13.223 mas/yr

PM Right Ascension

11.93 mas/yr

PM Declination

-5.71 mas/yr

Galactic Cartesian (pc)

x = 0.538 · y = -0.107 · z = 0.836

Equatorial (J2000)

RA 348.72436° · Dec 56.73030°

Galactic ℓ, b

109.942° · -3.687°

Ecliptic λ, β

23.518° · 54.074°

HTM-20 index

487546093

Similar Worlds

HD 285507 b

Gas Giant · K-type orange

Radius 13.80 R⊕ · 146.9 ly

HD 216536 b

Gas Giant · K-type orange

Radius 13.80 R⊕ · 1,227.1 ly

OGLE-2014-BLG-1760L b

Gas Giant · K-type orange

Radius 13.80 R⊕ · 23,013.6 ly

HD 99283 b

Gas Giant · K-type orange

Radius 13.80 R⊕ · 362.3 ly

Kepler-48 f

Gas Giant · K-type orange

Radius 13.80 R⊕ · 1,000.4 ly

HD 113538 c

Gas Giant · K-type orange

Radius 13.80 R⊕ · 53.1 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries McDonald Observatory Mission K-type orange Hosts