Planet 2MASS J1119-1137 b

Detailed information about planet 2MASS J1119-1137 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J1119-1137 b

Planet Status

Confirmed

Discovered in

2017

Update

2024-07-14

Mass

3.7 (\begin{matrix} + 1.2 \\ - 0.9 \end{matrix})

M_J 1 publication

The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary

Mass*sin(i)

—

Semi-Major Axis

3.6 (\pm 0.9)

AU 1 publication

The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary

Orbital Period

32850.0 (\begin{matrix} + 29200.0 \\ - 18250.0 \end{matrix})

day 1 publication

The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary

Eccentricity

—

ω

—

T_peri

—

Radius

1.4

R_J

Inclination

—

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1006.0 (\begin{matrix} + 122.0 \\ - 109.0 \end{matrix})

K 1 publication

The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

TWA 42 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

OA observations show that 2MASS J11193254-1137466, identified as a likely member of the TW Hydrae Association, is a "binary planet" with individual masses about 3.7 M_Jup and orbital period of 90 years. Age 10 ± 3 Myr.

No link

System without star

Distance

26.4 (\pm 6.9)

RA₂₀₀₀

11:19:32.5

Dec₂₀₀₀

-11:37:46.7

Planet 2MASS J1119-1137 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Planet 2MASS J1119-1137 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

System without star

System informations 3 parameters

Related publications

Disentangling the Signatures of Blended-light Atmospheres in L/T Transition Brown Dwarfs

On the Detection of Exomoons Transiting Isolated Planetary-Mass Objects

Non-local thermodynamic equilibrium effects determine the upper atmospheric temperature structure of the ultra-hot Jupiter KELT-9b

Spitzer Light Curves of the Young, Planetary-Mass TW Hya Members 2MASS J11193254-1137466AB and WISEA J114724.10-204021.3

The Young L Dwarf 2MASS J11193254-1137466 is a Planetary-Mass Binary