WLuna 1
WApollo 8
WApollo 9
WApollo 10WApollo 10
WApollo 11
WApollo 12
WCONTOUR
WElon Musk's Tesla Roadster
WGenesis (spacecraft)
WHelios (spacecraft)
WHerschel Space Observatory
WJ002E3
WMariner 2
WMariner 3
WMariner 5
WMariner 6 and 7WMariner 6 and 7WMariner 6 and 7
WMariner 10
WMars 1
WMars 4
WMars 6WMars 7
WMars Observer
WPhobos 1
WPioneer 4
WPioneer 5
WPioneer 6, 7, 8, and 9WPioneer 6, 7, 8, and 9WPioneer 6, 7, 8, and 9WPioneer 6, 7, 8, and 9WPioneer 6, 7, 8, and 9
WPlanck (spacecraft)
WRanger 3
WRanger 5
WSpitzer Space Telescope
WStardust (spacecraft)
WUlysses (spacecraft)
WVega 1WVega 2
WVenera 1
WVenera 2
WVenera 11WVenera 12WVenera 12
WVenera 13WVenera 14
WWilkinson Microwave Anisotropy ProbeWZond 2WZond 3