XO-5 b
Description: XO-5b "Makropulos" is an extrasolar planet approximately 910 light years away in the constellation of Lynx. This planet was found by the transit method using the XO Telescope and announced in May 2008. It was also independently discovered by the HATNet Project. The planet has a mass and radius just slightly larger than that of Jupiter. This planet orbits very close to the G-type parent star, as it is typical for transiting planets, classing this as Hot Jupiter. It takes only 4.188 days to orbit at an orbital distance of 0.0488 AU).
Physical Properties
Mass (Jupiter mass): 1.19 MJ
Radius (Jupiter radius): 1.14 RJ
Density: 1.06 g/cm³
Equilibrium Temperature: 1230.0 K
Orbital Parameters
Orbital Period: 4.1877558 days
Semi-major Axis: 0.0515 AU
Eccentricity: Unknown
Inclination: 86.8°
Host Star Properties
Host Star: XO-5
Spectral Type: G8 V
Temperature: 5430.0 K
Stellar Mass: 1.04 M☉
Stellar Radius: 1.13 R☉
Discovery Information
Planet Letter: b
Object ID: 3.11484
Host ID: 2.103437
Discovery Date: 2008-10
Discovery Year: 2008
Discovery Method: Transit
Discovery Locale: Ground
Discovery Facility: XO
Discovery Instrument: Apogee CCD Array