Planet WASP-197 b

Detailed information about planet WASP-197 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
WASP-197 b
Planet Status
Confirmed
Discovered in
2025
Publication
Status
Published in a refereed paper
Update
2025-04-14
Mass
1.269 ( ± 0.254 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.065 ( ± 0.002 ) AU
Orbital Period
5.167228 ( ± 3e-06 ) day
Eccentricity
0.0
Angular distance
—
ω
—
Tperi
—
Radius
1.289 ( ± 0.049 ) RJ
Inclination
86.29 ( ± 0.32 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
6885.10428 ( +0.00166 -0.00173 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.43 ( ± 0.02 )
Time Vr=0
—
Velocity Semiamplitude K
121.32 ( +3.7 -3.59 ) m/s
Calculated temperature
1665.0 ( ± 67.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-5385 b, TOI-5385.01
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

No remarks

No link

Star

Name
WASP-197
Distance
483.675 ( ± 12.2885 ) pc
Spectral type
G0IV
Apparent magnitude V
11.6
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.36 ( ± 0.08 ) MSun
Age
2.6 ( ± 1.5 ) Gyr
Effective temperature
6050.0 ( ± 100.0 ) K
Radius
2.112 ( ± 0.077 ) RSun
Metallicity [Fe/H]
0.0 ( ± 0.3 )
Detected Disc
—
Magnetic Field
—
RA2000
10:42:31.4
Dec2000
+28:11:55.0
Alternate Names
TOI-5385

Schanche et al. (2025) report a candidate companion star 6.7 arcseconds away (3236 AUs at 483 pc), likely an M dwarf.

No link