Planet HD 191122 b

Detailed information about planet HD 191122 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 191122 b

Planet Status

Confirmed

Discovered in

2026

Publication Status

Published in a refereed paper

Update

2026-02-23

Mass

—

Mass*sin(i)

0.25514 (\begin{matrix} + 0.02231 \\ - 0.0223 \end{matrix})

M_J 1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

Semi-Major Axis

0.3098 (\begin{matrix} + 0.0098 \\ - 0.0108 \end{matrix})

AU 1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

Orbital Period

62.915 (\begin{matrix} + 0.041 \\ - 0.033 \end{matrix})

day 1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

Eccentricity

0.275 (\pm 0.049)

1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

Angular distance

—

ω

3.26 (\begin{matrix} + 0.21 \\ - 0.22 \end{matrix})

deg 1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

13.58 (\begin{matrix} + 0.64 \\ - 0.69 \end{matrix})

m/s 1 publication

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

DMPP-8 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

HD 191122

Distance

76.1335 (\pm 0.1897)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

F9/G0V

Apparent magnitude V

8.63

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.11 (\pm 0.145)

M_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Age

—

Effective temperature

6009.0 (\pm 127.38)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

1.205 (\pm 0.056)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

20:21:13.2

Dec₂₀₀₀

-81:36:57.3

Alternate Names

DMPP-8

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 191122 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 191122 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The Dispersed Matter Planet Project Sample -- Detection limits, Occurrence Rates and New Planets

The Revised TESS Input Catalog and Candidate Target List