Planet TOI-521 c

Detailed information about planet TOI-521 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-521 c
Planet Status
Confirmed
Discovered in
2025
Publication
Status
Published in a refereed paper
Update
2025-09-19
Mass
—
Mass*sin(i)
0.0337 ( ± 0.0079 ) MJ
Semi-Major Axis
0.109 ( ± 0.002 ) AU
Orbital Period
20.35 ( ± 0.02 ) day
Eccentricity
0.0
Angular distance
—
ω
—
Tperi
2468489.3 ( ± 1.7 ) JD
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
4.5 ( ± 1.0 ) m/s
Calculated temperature
336.0 ( ± 15.0 ) K
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

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Star

Name
TOI-521
Distance
60.84 ( +0.07 -0.08 ) pc
Spectral type
M3V
Apparent magnitude V
14.7
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.42 ( ± 0.03 ) MSun
Age
0.8 Gyr
Effective temperature
3544.0 ( ± 100.0 ) K
Radius
0.421 ( ± 0.028 ) RSun
Metallicity [Fe/H]
-0.12 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
08:13:22.6
Dec2000
+12:13:19.6
Alternate Names
TIC 27649847, 2MASS J08132251+1213181

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