Planet Kepler-54 Ab

Detailed information about planet Kepler-54 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-54 Ab

Planet Status

Confirmed

Discovered in

2012

Publication Status

Published in a refereed paper

Update

2025-09-05

Mass

0.92

M_J 1 publication

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

8.0109434 (\pm 6.9e-05)

day 1 publication

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.187

R_J 1 publication

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2455003.14939 (\pm 0.0029)

JD 1 publication

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability

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

2MASS J19390574+4303226 b, K00886.01, KIC 7455287 b, KOI-886 b, KOI-886.01, WISE J193905.74+430322.4  b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

Kepler-54 A

Distance

271.7 (\pm 2.92)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

M1V

Apparent magnitude V

16.3

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.524 (\pm 0.02)

M_Sun 2 publications

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability
The Revised TESS Input Catalog and Candidate Target List

Age

4.17 (\begin{matrix} + 5.81 \\ - 2.52 \end{matrix})

Gyr 1 publication

False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives

Effective temperature

3768.0 (\pm 157.0)

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

0.527 (\pm 0.016)

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.27 (\begin{matrix} + 0.088 \\ - 0.09 \end{matrix})

1 publication

False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:39:05.7

Dec₂₀₀₀

+43:03:22.7

Alternate Names

2MASS J19390574+4303226, KIC 7455287, KOI-886, WISE J193905.74+430322.4

Eeles-Nolle & Armstrong (2025): A faint companion, likely a very low-mass M dwarf or even a white dwarf (Gaia DR3 2077974691857195648, G = 20.69), lies 33.22 arcseconds away (9,035 AUs at 272 pc).

No link

Simbad
Most recent references (ADS)

Planet Kepler-54 Ab

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 3 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet Kepler-54 Ab

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 3 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

A high stellar multiplicity rate amongst TESS planet candidates in the Neptunian desert using Gaia DR3 astrometry

The Revised TESS Input Catalog and Candidate Target List

False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives

Hubble Space Telescope High Resolution Imaging of Kepler Small and Cool Exoplanet Host Stars

Transit Timing Observations from Kepler: VII. Confirmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability