Planet HD 126053 c

Detailed information about planet HD 126053 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 126053 c

Planet Status

Confirmed

Discovered in

2026

Publication Status

—

Update

2026-09-29

Mass

—

Mass*sin(i)

0.0113 (\pm 0.00107)

M_J 1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

Semi-Major Axis

0.0933 (\pm 0.001)

AU 1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

Orbital Period

10.9145 (\begin{matrix} + 0.0014 \\ - 0.0012 \end{matrix})

day 1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

Eccentricity

0.07 (\begin{matrix} + 0.08 \\ - 0.05 \end{matrix})

1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

Angular distance

—

ω

56.0 (\begin{matrix} + 98.0 \\ - 97.0 \end{matrix})

deg 1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

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

1.11 (\pm 0.1)

m/s 1 publication

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Gupta et al. (2026): authors label the planet "HD 126053 b". It is hereby preferred "c" to tell it apart from imaged brown dwarf companion "HD 126053 b" (or B).

No link

Star

Name

HD 126053

Distance

17.45 (\pm 0.01)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G3V

Apparent magnitude V

6.27

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.91 (\begin{matrix} + 0.03 \\ - 0.04 \end{matrix})

M_Sun 2 publications

Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B
The Revised TESS Input Catalog and Candidate Target List

Age

8.5 (\pm 6.0)

Gyr 1 publication

Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B

Effective temperature

5714.0 (\pm 25.0)

K 2 publications

Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B
The Revised TESS Input Catalog and Candidate Target List

Radius

0.92 (\pm 0.03)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.31 (\pm 0.01)

2 publications

Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B
The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

14:23:15.3

Dec₂₀₀₀

+01:14:29.6

Alternate Names

BD+01 2920, HIP 70319, 2MASS J14231528+0114294, PIN 2, GJ 547

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 126053 c

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 126053 c

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The NEID Earth Twin Survey. VI. Discovery of a Low-Mass Planet Orbiting HD 126053 and RV Signals Near the Rotation Periods of HD 168009 and HD 10780

The Revised TESS Input Catalog and Candidate Target List

Discovery of the benchmark metal-poor T8 dwarf BD +01° 2920B