Planet HD 21520 b

Detailed information about planet HD 21520 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HD 21520 b
Planet Status
Confirmed
Discovered in
2024
Mass
0.0249 ( +0.0101 -0.0094 ) MJ
Mass*sin(i)
0.0249 ( +0.0101 -0.009 ) MJ
Semi-Major Axis
0.1726 ( ± 0.0071 ) AU
Orbital Period
25.1292 ( +7.3e-05 -8.9e-05 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.24061 ( ± 0.008 ) RJ
Inclination
89.23 ( ± 0.12 ) deg
Update
2024-06-17
Detection Method
Primary Transit
Mass Detection Method
—
Radius Detection Method
—
Primary transit
2459160.0157 ( ± 0.0015 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.478 ( +0.058 -0.066 )
Time Vr=0
—
Velocity Semiamplitude K
1.64 ( ± 0.63 ) m/s
Calculated temperature
637.0 ( +13.0 -12.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-4320 b, TOI-4320.01
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
HD 21520
Distance
79.0 pc
Spectral type
G1V
Apparent magnitude V
9.2
Mass
1.09 ( ± 0.07 ) MSun
Age
5.3 ( ± 1.1 ) Gyr
Effective temperature
5871.0 ( ± 64.0 ) K
Radius
1.044 ( ± 0.024 ) RSun
Metallicity [Fe/H]
0.049 ( ± 0.042 )
Detected Disc
—
Magnetic Field
—
RA2000
03:26:33.7
Dec2000
-43:36:48.8
Alternate Names
TOI-4320

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