WASP-16b

WASP-16b is an extrasolar planet that travels around its star, WASP-16, every 3.12 days. Likely a hot Jupiter. Its mass is near .855 of Jupiter, the radius is 1.008 of Jupiter. It was discovered in 2009 by a team led by T.A. Lister as part of the Wide Angle Search for Planets project.^[1]

WASP-16b

Size comparison of WASP-16b with Jupiter.
Discovery
Discovered by	Lister et al.
Discovery date	August 3, 2009
Detection method	Transit and Radial velocity
Orbital characteristics
Semi-major axis	0.0421+0.001 −0.0018 AU
Eccentricity	0
Orbital period (sidereal)	3.1186009+1.46e-5 −1.31e-5 d
Inclination	85.22+0.27 −0.43
Star	WASP-16
Physical characteristics
Mass	0.855 ± 0.059 MJ

Characteriscics

In 2012, it was found from the Rossiter–McLaughlin effect that WASP-16b orbits its slow-rotating and likely old parent star WASP-16 in a prograde direction, with the star's rotational axis inclined to the planetary orbit by −4.2°+11.0°
−13.9°.^[2]