While some scientists have claimed other objects (such as Abell 1835 IR1916) to be even older, the IOK-1's age and composition have been more reliably established.
雖然有些科學家宣稱有更古老的天體（例如阿貝爾1835 IR1916星系）存在，然而目前對IOK-1其年齡及構成的所知還是比較可信的。