Planet 2MASS J1217-0311

Detailed information about planet 2MASS J1217-0311 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

2MASS J1217-0311

Planet Status

Confirmed

Discovered in

1999

Update

2024-07-02

Mass

41.7 (\pm 25.9)

M_J 1 publication

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

0.94 (\pm 0.16)

R_J 1 publication

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Inclination

—

Detection Method

Imaging

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

885.0 (\pm 75.0)

K 1 publication

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12171110-0311131

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type T7.5. Possibly an escaped member of Hyades Cluster.

No link

System without star

Distance

8.6 pc

RA₂₀₀₀

12:17:11.1

Dec₂₀₀₀

-03:11:13.2

Planet 2MASS J1217-0311

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 J1217-0311

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

Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime

The 2MASS wide-field T dwarf search. I. Discovery of a bright T dwarf within 10 parsecs of the Sun

Discovery of four field methane (T-type) dwarfs with the Two Micron All-Sky Survey.