North Korea has successfully put into orbit the Kwangmyongsong-4 satellite, the South Korean Defense Ministry confirmed Tuesday.
On Sunday, North Korea fired a long-range rocket to allegedly place a satellite into orbit, defying UN Security Council resolutions.
According to the Yonhap news agency, there has been no signal received from the satellite so far.
South Korean Defense Ministry also said that Pyongyang has not yet mastered the technology of returning intercontinental ballistic missiles (ICBM) into the atmosphere.
On Sunday, North Korea fired a long-range rocket to allegedly place a satellite into orbit, defying UN Security Council resolutions.
"North Korea has not yet mastered the technology of returning ICBMs into the atmosphere," the ministry said, as quoted by the Yonhap news agency.
According to the ministry, the North Korean missile can cover the distance of 12,000 kilometers (7.500 miles).