Comets whose aphelia are near a major planet's orbit are called its "family". On April 20, 2007 the sixth album "Aphelia" was released. Mercury crossers proper have aphelia outside Mercury's (0.4667 AU) and perihelia inside Mercury's (0.3075 AU). Aphelia is a genus of plants in the Restionaceae family. Aphelia is a genus of tortrix moths in tribe Archipini.