Planet HD 213885 Ab

Detailed information about planet HD 213885 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 213885 Ab

Planet Status

Confirmed

Discovered in

2019

Update

2024-10-31

Mass

0.02778 (\pm 0.00208)

M_J 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Mass*sin(i)

—

Semi-Major Axis

0.02012 (\begin{matrix} + 0.00015 \\ - 0.00012 \end{matrix})

AU 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Orbital Period

1.008035 (\pm 2.1e-05)

day 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Eccentricity

— 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

ω

—

T_peri

—

Radius

0.15568 (\pm 0.00464)

R_J 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Inclination

80.09 (\begin{matrix} + 0.62 \\ - 0.5 \end{matrix})

deg 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2458379.97043 (\pm 0.0012)

JD 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Secondary transit

—

λ

—

Impact Parameter b

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

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Time V_r=0

—

Velocity Semiamplitude K

5.3 (\pm 0.39)

m/s 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Calculated temperature

2128.0 (\pm 14.0)

K 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

TOI-141 b, TOI-141.01

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

See also Planets in Binaries webpage.

No link

Star

Name

HD 213885 A

Distance

57.97 (\pm 0.14)

pc 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Spectral type

G1V

Apparent magnitude V

8.0

Mass

1.068 (\pm 0.02)

M_Sun 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Age

3.8 (\begin{matrix} + 0.66 \\ - 0.79 \end{matrix})

Gyr 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Effective temperature

5978.0 (\pm 50.0)

K 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Radius

1.101 (\begin{matrix} + 0.008 \\ - 0.0075 \end{matrix})

R_Sun 1 publication

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Metallicity [Fe/H]

-0.04 (\pm 0.03)

HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

22:35:56.0

Dec₂₀₀₀

-59:51:53.0

Alternate Names

TOI-141

HD 213885 forms a triple system with a pair of M dwarfs 23.6 and 55.1 AUs away. The outermost companion star is labelled as Gaia DR3 6407428994689762560 (Lester et al. 2021, Gonzalez-Payo et al. 2024).

No link

Simbad
Most recent references (ADS)