Planet TOI-257 b

Detailed information about planet TOI-257 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-257 b
Planet Status
Confirmed
Discovered in
2020
Update
2020-01-23
Mass
0.134 ( ± 0.023 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.1523 ( ± 0.0017 ) AU
Orbital Period
18.38827 ( ± 0.00072 ) day
Eccentricity
0.24 ( +0.04 -0.065 )
ω
96.0 ( ± 22.0 ) deg
Tperi
—
Radius
0.626 ( ± 0.013 ) RJ
Inclination
88.78 ( +0.78 -0.57 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Spectrum
Radius Meas. Method
Primary Transit
Primary transit
2458385.76 ( ± 0.0011 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.28 ( ± 0.19 )
Time Vr=0
—
Velocity Semiamplitude K
8.5 ( ± 1.4 ) m/s
Calculated temperature
1033.0 ( ± 19.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 19916 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

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