Planet SDSS J080531+481233 b

Detailed information about planet SDSS J080531+481233 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

SDSS J080531+481233 b

Planet Status

Confirmed

Discovered in

2016

Publication Status

Published in a refereed paper

Update

2025-10-31

Mass

66.28 (\begin{matrix} + 5.18 \\ - 14.0 \end{matrix})

M_J 1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

Mass*sin(i)

—

Semi-Major Axis

0.82 (\pm 1.6)

AU 1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

Orbital Period

740.43 (\pm 10.0)

day 1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

Eccentricity

0.423 (\pm 0.019)

1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

Angular distance

0.035

arcsec

ω

304.2 (\pm 5.36)

deg 1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

T_peri

—

Radius

—

Inclination

111.85 (\begin{matrix} + 1.55 \\ - 1.5 \end{matrix})

deg 1 publication

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

Detection Method

Radial Velocity, Astrometry

Mass Meas. Method

Astrometry

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

6400.0 (\begin{matrix} + 1000.0 \\ - 800.0 \end{matrix})

m/s 1 publication

The Orbit of the L Dwarf + T Dwarf Spectral Binary SDSS J080531.84+481233.0

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

SDSS J080531 B, SDSS 080531 B, 2M0805+48

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Sahlmann et al. (2020): spectral type T5.5 ± 1.1.

No link

System without star

Distance

21.3756 (\pm 0.4296)

RA₂₀₀₀

08:05:31.8

Dec₂₀₀₀

+48:12:32.9

Planet SDSS J080531+481233 b

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 SDSS J080531+481233 b

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

Astrometric orbits of spectral binary brown dwarfs I: Massive T dwarf companions to 2M1059−21 and 2M0805+48

The Orbit of the L Dwarf + T Dwarf Spectral Binary SDSS J080531.84+481233.0