Planet MLLA 284

Detailed information about planet MLLA 284 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

MLLA 284

Planet Status

Confirmed

Discovered in

1998

Publication Status

Published in a refereed paper

Update

2025-08-30

Mass

18.0 (\pm 0.66)

M_J 2 publications

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects
HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. III. The Population of Substellar Binary Companions

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

—

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

—

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

2858.0 K 1 publication

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

ONC J083.82487-05.39819

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type M7.5. Member of Orion Nebula. Located 57.53 arcseconds away from tet1 Ori C, likely as optical, not physical companion.

No link

System without star

Distance

—

RA₂₀₀₀

05:35:18.0

Dec₂₀₀₀

-05:23:53.5

Planet MLLA 284

Planet

Basic informations 30 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 MLLA 284

Planet

Basic informations 30 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

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. III. The Population of Substellar Binary Companions

HST Survey of the Orion Nebula Cluster in the H2O 1.4 μm Absorption Band. I. A Census of Substellar and Planetary-mass Objects

Externally illuminated young stellar environments in the Orion nebula: Hubble Space Telescope planetary camera and ultraviolet observations