ɹˈɑːʒən wʌz dɪskˈʌvɚd ˌɔn twˈɛnti sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɛvən, baɪ bˈɛldʒən ɐstɹˈɑːnəmɚɹ ˈɛɹɪk ˈɛlst æt ɹˈɑːʒən əbzˈɜːvətˌoːɹi nˌɪɹ smˈɑːldʒən, bʌlɡˈɛɹiə.
Rozhen was discovered on 20 September 1987, by Belgian astronomer Eric Elst at Rozhen Observatory near Smoljan, Bulgaria.