Planet TOI-199 Ac

Detailed information about planet TOI-199 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-199 Ac
Planet Status
Confirmed
Discovered in
2023
Publication
Status
—
Update
2025-11-21
Mass
—
Mass*sin(i)
0.261 ( ± 0.005 ) MJ
Semi-Major Axis
0.8 ( ± 0.003 ) AU
Orbital Period
274.769 ( +0.144 -0.141 ) day
Eccentricity
0.151 ( ± 0.003 )
Angular distance
—
ω
69.7 ( ± 2.1 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
9.1 ( ± 0.5 ) m/s
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
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.

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Star

Name
TOI-199 A
Distance
101.7 pc
Spectral type
G9/K0V
Apparent magnitude V
10.7
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.936 ( ± 0.009 ) MSun
Age
0.8 ( +1.2 -0.6 ) Gyr
Effective temperature
5255.0 ( ± 12.0 ) K
Radius
0.82 ( ± 0.03 ) RSun
Metallicity [Fe/H]
0.22 ( ± 0.03 )
Detected Disc
—
Magnetic Field
—
RA2000
05:20:25.0
Dec2000
-59:53:44.0
Alternate Names
—

Behmard et al. (2022): a faint M dwarf companion star lies 1016 AUs away.

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