Planet HD 80606 c

Detailed information about planet HD 80606 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 80606 c

Planet Status

Candidate

Discovered in

2026

Publication Status

—

Update

2026-08-18

Mass

0.044 (\pm 0.035)

M_J 1 publication

Eclipse Timing of the Eccentric Planet HD 80606b with JWST: Constraints on a Second Planet and other Dynamical Effects

Mass*sin(i)

—

Semi-Major Axis

1.75 (\pm 0.25)

AU 1 publication

Eclipse Timing of the Eccentric Planet HD 80606b with JWST: Constraints on a Second Planet and other Dynamical Effects

Orbital Period

—

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

TTV

Mass Meas. Method

TTV

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

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

No remarks

No link

Star

Name

HD 80606

Distance

58.4 (\begin{matrix} + 15.0 \\ - 15.0 \end{matrix})

pc 1 publication

HD 80606 b, a planet on an extremely elongated orbit.

Spectral type

G5V

Apparent magnitude V

8.93

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.98 (\pm 0.1)

M_Sun 1 publication

Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b

Age

7.63 Gyr 1 publication

On the Ages of Exoplanet Host Stars

Effective temperature

5645.0 (\pm 45.0)

K 1 publication

HD 80606 b, a planet on an extremely elongated orbit.

Radius

0.98 (\pm 0.07)

R_Sun 1 publication

Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b

Metallicity [Fe/H]

0.43 (\pm 0.06)

1 publication

HD 80606 b, a planet on an extremely elongated orbit.

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

09:22:37.0

Dec₂₀₀₀

+50:36:13.0

Alternate Names

—

HD 80606 is the primary component of a widely separated (a = 1355 AUs) binary system including nearly equal luminosity G dwarf HD 80607.

No link

Simbad
Most recent references (ADS)

Planet HD 80606 c

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 Some remarks

Other web pages No page

More data 2 references

Planet HD 80606 c

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 Some remarks

Other web pages No page

More data 2 references

Related publications

Eclipse Timing of the Eccentric Planet HD 80606b with JWST: Constraints on a Second Planet and other Dynamical Effects

Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80606 b

On the Ages of Exoplanet Host Stars

HD 80606 b, a planet on an extremely elongated orbit.