Dongfanghong No.1 time

Dongfanghong-1 was launched on April 24th, 1970. 1970 On April 24th, China successfully launched its first artificial earth satellite. The orbit of the satellite is 439 kilometers from the nearest point of the Earth and 2384 kilometers from the farthest point, and the included angle between the orbit plane and the equatorial plane of the Earth is 68.5 degrees. Dongfanghong-1 flew around the earth for 114 minutes. Dongfanghong No.1 plays Dongfanghong music at a frequency of 20.009 megacycles. Dongfanghong-1 (China's first artificial earth satellite, NSSDCID: 1970-034a) refers to Dongfanghong-1, the first artificial earth satellite launched by China. Developed by China Academy of Space Technology with Qian Xuesen as its first president, it was launched at 2 1: 35 on April 24th, 0970. The successful launch of the satellite marks that China has become the fifth country in the world to launch a domestic satellite with a homemade rocket after the Soviet Union, the United States, France and Japan. The designed working life of the satellite is 20 days. In May 1970, the satellite stopped transmitting signals and lost contact with the ground. This satellite, together with 1964, China's first atomic bomb, 1966, the first missile loaded with nuclear warheads and 1967, the first hydrogen bomb, is called "two bombs and one satellite". Because the perigee of Dongfanghong-1 satellite is high, Dongfanghong-1 satellite is still in orbit.