Planet Sand 178 e

Detailed information about planet Sand 178 e and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
Sand 178 e
Mass
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Mass*sin(i)
7.23 ( +4.3 -0.77 ) MJ
Semi-Major Axis
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Orbital Period
186.37 ( ± 2.66 ) day
Eccentricity
0.36 ( ± 0.17 )
ω
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Tperi
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Radius
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Inclination
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Primary transit
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Secondary transit
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λ
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Impact Parameter b
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Time Vr=0
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Velocity Semiamplitude K
433.0 ( +54.0 -89.0 ) m/s
Calculated temperature
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Measured temperature
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Hottest point longitude
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Surface gravity log(g/gH)
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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
Sand 178
Distance
58.8285 ( ± 0.15625 ) pc
Spectral type
M2.4V
Apparent magnitude V
14.0
Apparent magnitude I
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Apparent magnitude J
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Apparent magnitude H
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Apparent magnitude K
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Mass
0.482 ( ± 0.02 ) MSun
Age
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Effective temperature
3520.0 ( ± 157.0 ) K
Radius
0.4842 ( ± 0.0144 ) RSun
Metallicity [Fe/H]
0.116 ( ± 0.0097 )
Detected Disc
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Magnetic Field
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RA2000
12:58:22.2
Dec2000
+26:30:16.1
Alternate Names
2MASS J12582222+2630162

Sand 178 forms a widely separated (a = 908 AUs, 15.52 arcseconds at 58.6 pc) binary system with another M dwarf exoplanet host, 2MASS J1258+2630. Sand 178 is the secondary component of the system.

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