Planet S Ori 56

Detailed information about planet S Ori 56 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

S Ori 56

Planet Status

Confirmed

Discovered in

2000

Publication Status

Published in a refereed paper

Update

2025-09-02

Mass

10.0 (\begin{matrix} + 4.0 \\ - 3.0 \end{matrix})

M_J 2 publications

Discs of planetary-mass objects in σ Orionis
Discovery of Young, Isolated Planetary Mass Objects in the σ Orionis Star Cluster

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

1700.0 K 1 publication

Discovery of Young, Isolated Planetary Mass Objects in the σ Orionis Star Cluster

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

[BZR99] S Ori 56, S Ori J053900.9-022142

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Spectral type L0.5 ± 0.5. Age 1-5 Myrs. Member of Sigma Orionis cluster.

No link

System without star

Distance

402.0 pc

RA₂₀₀₀

05:39:00.8

Dec₂₀₀₀

-02:21:41.8

Planet S Ori 56

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 S Ori 56

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

Euclid: Early Release Observations – A glance at free-floating newborn planets in the σ Orionis cluster

Optical and Near-infrared Spectra of σ Orionis Isolated Planetary-mass Objects

New isolated planetary-mass objects and the stellar and substellar mass function of the σ Orionis cluster

A census of very-low-mass stars and brown dwarfs in the σ Orionis cluster

Discs of planetary-mass objects in σ Orionis

Keck NIRC Observations of Planetary-Mass Candidate Members in the σ Orionis Open Cluster

Discovery of Young, Isolated Planetary Mass Objects in the σ Orionis Star Cluster