Key parameters at a glance

A radius of 16.14 Earth radii
A mass of 4,417.84 Earth masses
Surface gravity around 16.96 g
Semi-major axis 156.0000 AU
Distance from Earth 130.75 light-years
Earth Similarity Index 0.397
Travel time at Voyager 1 speed 2,305,860 years

2MASS J02192210-3925225 b Planet Profile

Physical Specs

Radius

16.14 R⊕

Radius (Jupiter)

1.440 R♃

Mass

4,417.84 M⊕

Mass (Jupiter)

13.900 M♃

Density

5.77 g/cm³

Surface Gravity

16.96 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.397

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Imaging

Facility Cerro Tololo Inter-American Observatory

Telescope 1.5 m CTIO Telescope

Size rank in cohort

Rank by radius

#146of 1771

top 8.2%

This planet

16.14R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HAT-P-30 b 16.14 R⊕ HD 2685 b 16.14 R⊕ WASP-118 b 16.14 R⊕

Metric	Earth	2MASS J02192210-3925225 b	Jupiter
Radius (R⊕)	1.00	16.14	11.21
Mass (M⊕)	1.00	4,417.84	317.83
Density (g/cm³)	5.51	5.77	1.33
Surface Gravity (g)	1.00	16.96	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	4,417.837 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 77111651

Gaia DR2

Gaia DR2 4963614887043956096

Gaia DR3

Gaia DR3 4963614887043956096

System

2MASS J02192210-3925225

Percentile among Gas Giant cohort

Radius 16.141 R⊕ · percentile 92 / cohort 1771

Mass 4,417.837 M⊕ · percentile 93 / cohort 1747

Distance 40.09 pc · percentile 14 / cohort 1759

ESI 0.397 · percentile 85 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

156.0000 AU

Eccentricity

—

Inclination

— °

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.397

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Artigau et al. 2015

Instrument

SIMON Near-Infrared Spectroimager

Publication

2015-06

Observation locale

Ground

Host System: 2MASS J02192210-3925225

Spectral Class

M-type red dwarf

Effective Temperature

3,064 K — cooler than the Sun (5,778 K)

Estimated Age

0.04 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.281 R☉

Stellar Mass

0.108 M☉

Metallicity [Fe/H]

—

Extended Stellar Properties

Surface gravity (log g)

4.590 dex

Stellar density

17.671 g/cm³

Systemic radial velocity

10.60 km/s

Rotational v·sin i

6.50 km/s

Distance

40.09 parsec

Light-years 130.75 ly

V-band magnitude

— mag

Voyager-speed travel 2,305,860 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

24.944 mas

Total Proper Motion

109.600 mas/yr

PM Right Ascension

103.60 mas/yr

PM Declination

-35.90 mas/yr

Galactic Cartesian (pc)

x = 0.634 · y = 0.441 · z = -0.635

Equatorial (J2000)

RA 34.84270° · Dec -39.42308°

Galactic ℓ, b

252.453° · -67.984°

Ecliptic λ, β

13.505° · -49.305°

HTM-20 index

243519503

Similar Worlds

2MASS J12073346-3932539 b

Gas Giant · M-type red dwarf

Radius 15.69 R⊕ · 209.7 ly

CD-35 2722 b

Gas Giant · M-type red dwarf

Radius 17.37 R⊕ · 73.0 ly

NGTS-1 b

Gas Giant · M-type red dwarf

Radius 14.91 R⊕ · 711.4 ly

GJ 3512 b

Gas Giant · M-type red dwarf

Radius 14.30 R⊕ · 30.9 ly

GJ 3512 c

Gas Giant · M-type red dwarf

Radius 14.30 R⊕ · 30.9 ly

OGLE-2012-BLG-0724L b

Gas Giant · M-type red dwarf

Radius 14.30 R⊕ · 21,852.5 ly

Explore Related Categories

Gas Giant Planets Imaging Discoveries Cerro Tololo Inter-American Observatory Mission M-type red dwarf Hosts