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23 Librae

23_Librae_HD_134987.html · captured from wingmakers.co.nz

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Planetary System : 23 Librae
Yellow Main Sequence Star

System Components
(Mass in Multiples of Jupiter's Mass)


23 Librae b
Eccentric Giant

Basic Data

Parent Star:  23 Librae (G5 V)
Discovery Status:  Confirmed
Planet Type:  Sulfur Giant, Eccentric
Habitability:  Planet at inner edge of Habitable Zone at Mean Orbital Distance

 Physical Data

Mass ( M sin i ):   1.58 Jupiters
Periastron Distance:  0.59 AU
Mean Distance:   0.78 AU
Apastron Distance:  0.96 AU
Orbital Period:   260 Days
Eccentricity:   0.24
Argument of Perihelion (omega):   356°

  Inferred Properties

Average Angular Size of Star:  0.852°
Planet Appearance:
 Yellowish H2SO4 clouds
Periastron Temp:  362 Kelvin
Mean Temp:  315 Kelvin
Apastron Temp:  283 Kelvin

  Discovery Facts

Year Discovered:  1999
Detection Method:  Doppler Spectroscopy
Discovered By:  Marcy et al

Habitability Zones For Planetary Body 23 Librae (HD 134987)

Planetary Orbit  Around 23 Librae (HD 134987)


 Position In Libra