Planet Kepler-61 Ab

Detailed information about planet Kepler-61 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-61 Ab

Planet Status

Confirmed

Discovered in

2013

Publication Status

—

Update

2025-02-15

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.27 (\pm 0.01)

AU 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Orbital Period

59.87756 (\pm 0.0002)

day 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Eccentricity

0.25 (\begin{matrix} + 0.0 \\ - 0.25 \end{matrix})

1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Angular distance

—

ω

—

T_peri

—

Radius

0.192 (\begin{matrix} + 0.0116 \\ - 0.0116 \end{matrix})

R_J 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Inclination

89.8 (\begin{matrix} + 0.0 \\ - 0.2 \end{matrix})

deg 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2454984.188 (\pm 0.0029)

JD 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Secondary transit

—

λ

—

Impact Parameter b

0.29 1 publication

Exoplanet Characterization by Proxy: A Transiting 2.15 R _⊕ Planet near the Habitable Zone of the Late K Dwarf Kepler-61

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

273.0 (\begin{matrix} + 13.0 \\ - 13.0 \end{matrix})

K 1 publication

Exoplanet Characterization by Proxy: A Transiting 2.15 R _⊕ Planet near the Habitable Zone of the Late K Dwarf Kepler-61

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

KIC 6960913 b, 2MASS J19411308+4228310 b, WISE J194113.07+422831.1 b, KOI-1361 b, KOI-1361.01, K01361.01

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

Kepler-61 A

Distance

338.24 (\begin{matrix} + 4.98 \\ - 4.98 \end{matrix})

Spectral type

K7V

Apparent magnitude V

15.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.64 (\begin{matrix} + 0.04 \\ - 0.04 \end{matrix})

M_Sun

Age

3.63 (\begin{matrix} + 5.06 \\ - 1.99 \end{matrix})

Gyr 2 publications

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61
False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives

Effective temperature

4017.0 (\begin{matrix} + 68.0 \\ - 150.0 \end{matrix})

K 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Radius

0.62 (\begin{matrix} + 0.02 \\ - 0.05 \end{matrix})

R_Sun 1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Metallicity [Fe/H]

0.03 (\pm 0.14)

1 publication

Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-61

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:41:13.1

Dec₂₀₀₀

+42:28:31.0

Alternate Names

KIC 6960913, WISE J194113.07+422831.1, KOI-1361, 2MASS J19411308+4228310

Furlan et al. (2017) report two faint companions 0.48 and 1.1 arcseconds away (162 and 372 AUs at 338 pc). The former is confirmed by Hirsch et al. (2017) as a comoving M dwarf, the latter appears very faint, more compatible with a brown dwarf but to date it is not confirmed.

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