Planet KOI-298.02

Detailed information about planet KOI-298.02 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

KOI-298.02

Planet Status

Candidate

Discovered in

2017

Publication Status

Announced on a website

Update

2025-03-01

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.2918 AU

Orbital Period

57.3839668 (\begin{matrix} + 0.0002901 \\ - 0.0002901 \end{matrix})

day

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.15 (\begin{matrix} + 0.0 \\ - 0.0 \end{matrix})

R_J

Inclination

89.38 deg

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2455003.728 (\begin{matrix} + 2454833.00429 \\ - 2454832.99571 \end{matrix})

Secondary transit

—

λ

—

Impact Parameter b

0.8046 (\begin{matrix} + 0.1679 \\ - 0.5664 \end{matrix})

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

472.0 K

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

Star

Name

Kepler-515 A

Distance

255.0 pc 1 publication

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

Spectral type

G8V

Apparent magnitude V

12.91

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.9 (\begin{matrix} + 0.03 \\ - 0.03 \end{matrix})

M_Sun 1 publication

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

Age

3.39 (\begin{matrix} + 3.43 \\ - -1.77 \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

5293.0 (\begin{matrix} + 49.66 \\ - 61.29 \end{matrix})

K 1 publication

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

Radius

0.83 (\begin{matrix} + 0.03 \\ - 0.03 \end{matrix})

R_Sun 1 publication

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

Metallicity [Fe/H]

0.08 (\begin{matrix} + 0.139 \\ - 0.112 \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

19:21:58.5

Dec₂₀₀₀

+52:03:20.2

Alternate Names

WISE J192158.54+520319.4, Kepler-515, KOI-298, KIC 12785320, 2MASS J19215853+5203201

A K dwarf companion star lies 655 AUs (Michel & Mugrauer 2024). Furlan et al. (2017) report two optical sources at the same distance (2.11 arcseconds) suggesting that companion star might be itself an unresolved binary.

No link

Simbad
Most recent references (ADS)

Planet KOI-298.02

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 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet KOI-298.02

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 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

The Kepler Follow-Up Observation Program. I. A Catalog of Companions to Kepler Stars from High-Resolution Imaging

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