Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Delta Draconis is a yellow star in the constellation Draco. It has the traditional names Aldib, Altais and Nodus Secundus. Delta Draconis is a giant star with a stellar classification of G9III. At a distance of approximately 100 light years from Earth, it has an apparent magnitude of 3.0. The angular diameter of the star is estimated as 3.37 ± 0.06 mas. At a parallax of 32.54 mas, this corresponds to a physical radius equal to 11 times the solar radius.