Dongfanghong I was the first space satellite of the People's Republic of China, launched successfully on 24 April 1970. At 173 kg, it was heavier than the first satellites of other countries. The satellite carried a radio transmitter which broadcast the song of the same name, Dōngfānghóng or "The East Is Red"; the broadcast lasted for 20 days while in orbit. The satellite remains in an orbit with a perigee of 442 kilometres, an apogee of 2046 kilometres and inclination of 68.42 degrees