Confirmed Exoplanet Discovered 2013

2MASS J01033563-5515561 AB b

A gas giant orbiting the m-type red dwarf 2MASS J01033563-5515561 A, located approximately 153.9 light-years from Earth.

Key parameters at a glance

  • A radius of 12.30 Earth radii
  • A mass of 4,131.79 Earth masses
  • Surface gravity around 27.31 g
  • Semi-major axis 84.0000 AU
  • Distance from Earth 153.95 light-years
  • Earth Similarity Index 0.347
  • Travel time at Voyager 1 speed 2,714,831 years
brightness_6

Circumbinary planet

2MASS J01033563-5515561 AB b orbits a binary-star pair rather than a single host — a minority architecture in the confirmed catalogue.

2MASS J01033563-5515561 AB b Planet Profile

Physical Specs

Radius
12.30 R⊕
Radius (Jupiter)
1.100 R♃
Mass
4,131.79 M⊕
Mass (Jupiter)
13.000 M♃
Density
12.20 g/cm³
Surface Gravity
27.31 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.347
HZ Position Unknown
Controversial No

Discovery

Year 2013
Method Imaging
Facility Paranal Observatory
Telescope 8.2 m ESO VLT UT4 Yepun Telescope

Size rank in cohort

Rank by radius

#1349of 1771

top 76.1%

This planet

12.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HAT-P-13 c 12.30 R⊕ HD 22781 b 12.30 R⊕ CHXR 73 b 12.30 R⊕
Metric Earth 2MASS J01033563-5515561 AB b Jupiter
Radius (R⊕)1.0012.3011.21
Mass (M⊕)1.004,131.79317.83
Density (g/cm³)5.5112.201.33
Surface Gravity (g)1.0027.312.53
Insolation (S⊕)1.00—0.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 4,131.790 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 206502540

System

2MASS J01033563-5515561

Percentile among Gas Giant cohort

Radius 12.300 R⊕ · percentile 22 / cohort 1771
Mass 4,131.790 M⊕ · percentile 92 / cohort 1747
Distance 47.20 pc · percentile 18 / cohort 1759
ESI 0.347 · percentile 70 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
— days
Semi-major axis
84.0000 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)

0.347

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Delorme et al. 2013

Instrument

NACO Camera

Publication

2013-05

Observation locale

Ground

Discovery cohort

Planets confirmed in 2013 at Paranal Observatory (2 shown).

DENIS-P J082303.1-491201 b · Gas Giant HD 95086 b · Gas Giant

Host System: 2MASS J01033563-5515561 A

Spectral Class

M-type red dwarf

Effective Temperature

—

Estimated Age

0.03 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

—

Stellar Mass

0.190 M☉

Metallicity [Fe/H]

—

Distance
47.20 parsec
Light-years 153.95 ly
V-band magnitude
15.79 mag
Voyager-speed travel 2,714,831 yr

Multi-band Host Photometry — 10 bands

7.817.016.99B15.79V12.09TESS10.16J9.58H9.24K9.05W18.80W28.56W37.82W4

Similar Worlds

USco CTIO 108 b

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 469.7 ly

USco1556 b

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 458.7 ly

Oph 11 b

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 444.1 ly

HIP 81208 C b

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 481.2 ly

CHXR 73 b

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 620.9 ly

GJ 676 A c

Gas Giant · M-type red dwarf

Radius 12.30 R⊕ · 52.3 ly

Explore Related Categories

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