Planet K2-256 b

Detailed information about planet K2-256 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-256 b

Planet Status

Controversial

Discovered in

2018

Update

2023-10-20

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.0578 (\begin{matrix} + 0.0008 \\ - 0.0008 \end{matrix})

AU 1 publication

44 Validated Planets from K2 Campaign 10

Orbital Period

5.52011 (\begin{matrix} + 0.00239 \\ - 0.00289 \end{matrix})

day 1 publication

44 Validated Planets from K2 Campaign 10

Eccentricity

—

ω

—

T_peri

—

Radius

0.235 (\begin{matrix} + 0.022 \\ - 0.019 \end{matrix})

R_J 1 publication

44 Validated Planets from K2 Campaign 10

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.42 (\begin{matrix} + 0.34 \\ - 0.29 \end{matrix})

1 publication

44 Validated Planets from K2 Campaign 10

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

845.0 (\begin{matrix} + 28.0 \\ - 28.0 \end{matrix})

K 1 publication

44 Validated Planets from K2 Campaign 10

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12245451-0203572 b, EPIC 228968232 b, EPIC 228968232.01, WISE J122454.50-020357.5 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

K2-256

Distance

580.5 (\begin{matrix} + 14.9 \\ - 13.9 \end{matrix})

Spectral type

—

Apparent magnitude V

—

Mass

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

M_Sun

Age

—

Effective temperature

5219.0 (\begin{matrix} + 179.0 \\ - 136.0 \end{matrix})

Radius

0.78 (\begin{matrix} + 0.02 \\ - 0.02 \end{matrix})

R_Sun

Metallicity [Fe/H]

-0.1 (\begin{matrix} + 0.17 \\ - 0.17 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:24:54.5

Dec₂₀₀₀

-02:03:57.4

Alternate Names

2MASS J12245451-0203572, EPIC 228968232, WISE J122454.50-020357.5

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-256 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-256 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Ephemeris Matching Reveals False Positive Validated and Candidate Planets from the K2 Mission

Refutation of K2-256b and Rejection of 130 Unconfirmed Transiting Planet Candidates with Gaia DR3 NSS

44 Validated Planets from K2 Campaign 10