Key parameters at a glance

A radius of 11.90 Earth radii
A mass of 9,534.85 Earth masses
Surface gravity around 67.33 g
Semi-major axis 518.0000 AU
Equilibrium temperature 1,600 K (1327 °C)
Distance from Earth 186.66 light-years
Earth Similarity Index 0.066
Travel time at Voyager 1 speed 3,291,784 years

2MASS J22501512+2325342 b Planet Profile

Physical Specs

Radius

11.90 R⊕

Radius (Jupiter)

1.060 R♃

Mass

9,534.85 M⊕

Mass (Jupiter)

30.000 M♃

Density

31.10 g/cm³

Surface Gravity

67.33 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.066

HZ Position Unknown

Controversial No

Discovery

Year 2018

Method Imaging

Facility The 2 (Two) Micron All Sky Survey (2MASS)

Telescope Fred Lawrence Whipple Observatory

Size rank in cohort

Rank by radius

#1526of 1771

top 86.1%

This planet

11.90R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 457 b 11.90 R⊕ KMT-2020-BLG-0414L c 11.90 R⊕ DENIS-P J082303.1-491201 b 11.90 R⊕

Metric	Earth	2MASS J22501512+2325342 b	Jupiter
Radius (R⊕)	1.00	11.90	11.21
Mass (M⊕)	1.00	9,534.85	317.83
Density (g/cm³)	5.51	31.10	1.33
Surface Gravity (g)	1.00	67.33	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	9,534.852 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 435830255

Gaia DR2

Gaia DR2 2837047214379099904

Gaia DR3

Gaia DR3 2837047214379099904

System

2MASS J22501512+2325342

Percentile among Gas Giant cohort

Radius 11.900 R⊕ · percentile 13 / cohort 1771

Mass 9,534.852 M⊕ · percentile 100 / cohort 1747

Distance 57.23 pc · percentile 24 / cohort 1759

ESI 0.066 · percentile 11 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

— days

Semi-major axis

518.0000 AU

Eccentricity

—

Inclination

— °

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

1,600K

(1327 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.066

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Discovery Paper

Primary reference

Desrochers et al. 2018

Instrument

2MASS Camera

Publication

2018-01

Observation locale

Ground

Host System: 2MASS J22501512+2325342

Spectral Class

M-type red dwarf

Effective Temperature

3,352 K — cooler than the Sun (5,778 K)

Estimated Age

0.15 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.438 R☉

Stellar Mass

0.433 M☉

Metallicity [Fe/H]

—

Extended Stellar Properties

Surface gravity (log g)

4.793 dex

Stellar density

7.288 g/cm³

Rotational v·sin i

30.00 km/s

Distance

57.23 parsec

Light-years 186.66 ly

V-band magnitude

14.78 mag

Voyager-speed travel 3,291,784 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

17.444 mas

Total Proper Motion

95.176 mas/yr

PM Right Ascension

70.23 mas/yr

PM Declination

-64.24 mas/yr

Galactic Cartesian (pc)

x = 0.875 · y = -0.275 · z = 0.398

Equatorial (J2000)

RA 342.56341° · Dec 23.42591°

Galactic ℓ, b

90.016° · -31.589°

Ecliptic λ, β

353.859° · 28.302°

HTM-20 index

1845475573

Similar Worlds

HD 6860 b

Gas Giant · M-type red dwarf

Radius 11.90 R⊕ · 199.4 ly

KMT-2024-BLG-0404L b

Gas Giant · M-type red dwarf

Radius 11.90 R⊕ · 23,515.8 ly

TOI-5293 A b

Gas Giant · M-type red dwarf

Radius 11.90 R⊕ · 529.1 ly

GJ 1148 b

Gas Giant · M-type red dwarf

Radius 11.90 R⊕ · 35.9 ly

TOI-6034 b

Gas Giant · M-type red dwarf

Radius 11.92 R⊕ · 384.8 ly

G 196-3 b

Gas Giant · M-type red dwarf

Radius 12.00 R⊕ · 71.1 ly

Explore Related Categories

Gas Giant Planets Imaging Discoveries M-type red dwarf Hosts