for this beginning of 2014, +NASA revealed the discovery of a news potential hazardous asteroid, called 2013 YP139. The asteroid was at a distance of 0.235 astronomical units from Earth by the Wide-field Infrared Survey Explorer from NASA. Its size is estimated around 650 meters. It orbits the Sun in an elliptical orbit along the invariable plane and is currently 42 million kilometers away and is expected to come within 490,000 kilometers of our dear Earth planet, slightly beyond the orbit of the Moon. However, because of some potential uncertainties and this close proximity, the 2013 YP139 asteroid has classified as a potential threat.