HD 210277

Planetary System : HD 210277

Star Data
Spectral Type:   G0
Apparent Magnitude:  6.63
Radius:  0.91 Solar Radii
Effective Temperature:  6030 Kelvin

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

HD 210277 b
Eccentric Giant

 Basic Data
Parent Star:   HD 210277 (G0)
Discovery Status:  Confirmed
Planet Type:   Water Giant, Eccentric
Habitability:  Planet at Earthlike Temperatures at Mean Orbital Distance

Planetary Data

Mass ( M sin i ):  2.2 Jupiters
Periastron Distance:   0.6 AU
Mean Distance:  1.097 AU
Apastron Distance:  1.59 AU
Orbital Period:  437 Days
Eccentricity:  0.45
Argument of Perihelion (omega):  119°

  Inferred Properties
Average Angular Size of Star:  0.441°
Planet Appearance: White water ice clouds
Periastron Temp:  320 Kelvin
Mean Temp:  237 Kelvin
Apastron Temp:  197 Kelvin

  Discovery Facts
Year Discovered:   1998
Detection Method:  Doppler Spectroscopy
Discovered By:   Marcy etal

    Basic Data
Parent Star:  HD 210277 (G0)
Discovery Status:   Imaged
Planet Type:  Kuiper Belt
 

HD 210277 Kuiper Belt

  Physical Data
Mass:  << NO DATA >>
Mean Distance:   40 AU
 

  Inferred Properties
Average Angular Size of Star:   0.012°
Mean Temp:  39 Kelvin

  Discovery Facts
Year Discovered:  1999
Discovered By:  D. E. Trilling, R. H. Brown, A. S. Rivkin

Habitability Zones For Planetary Body HD 210277b

Inner Edge of Habitability Zone:  0.49 AU
Outer Edge of Habitability Zone:  1.54 AU

Planetary Orbit Around HD 210277

Position In Aquarius