answer:According to Richard Nolle, who claims to have defined the phrase ‘Super Moon’, it appears that Earth experiencing a Super Moon on Cinco de Mayo is a first or hasn’t happened for ages. In perusing through his tables that list new moons and full moons, both past and predicted, none appear to fall on May 5th, much less a Super Moon. It looks like I may be camping out in the back yard tomorrow night. Thanks for the heads up.