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 by Staff Writers Pasadena CA (JPL) Jan 23, 2018
Asteroid 2002 AJ129 will make a close approach to Earth on Feb. 4, 2018 at 1:30 p.m. PST (4:30 p.m. EST / 21:30 UTC). At the time of closest approach, the asteroid will be no closer than 10 times the distance between Earth and the Moon (about 2.6 million miles, or 4.2 million kilometers). 2002 AJ129 is an intermediate-sized near-Earth asteroid, somewhere between 0.3 miles (0.5 kilometers) and 0.75 miles (1.2 kilometers) across. It was discovered on Jan. 15, 2002, by the former NASA-sponsored Near Earth Asteroid Tracking project at the Maui Space Surveillance Site on Haleakala, Hawaii. The asteroid's velocity at the time of closest approach, 76,000 mph (34 kilometers per second), is higher than the majority of near-Earth objects during an Earth flyby. The high flyby velocity is a result of the asteroid's orbit, which approaches very close to the Sun - 11 million miles (18 million kilometers). Although asteroid 2002 AJ129 is categorized as a Potentially Hazardous Asteroid (PHA), it does not pose an actual threat of colliding with our planet for the foreseeable future. "We have been tracking this asteroid for over 14 years and know its orbit very accurately," said Paul Chodas, manager of NASA's Center for Near-Earth Object Studies at the Jet Propulsion Laboratory, Pasadena, California. "Our calculations indicate that asteroid 2002 AJ129 has no chance - zero - of colliding with Earth on Feb. 4 or any time over the next 100 years." JPL hosts the Center for Near-Earth Object Studies for NASA's Near-Earth Object Observations Program, an element of the Planetary Defense Coordination Office within the agency's Science Mission Directorate.
NASA image showcases Ceres mountain named for KwanzaaWashington (UPI) Dec 28, 2017 NASA honored Kwanzaa this week with an image of a mountain on the dwarf planet Ceres named for the African-American holiday, which is celebrated from Dec. 26 to Jan. 1. The name Kwanzaa is derived from the Swahili phrase meaning "first fruits of the harvest." Kwanzaa Tholus - the mountain - is oblong, measuring 22 by 12 miles. It rises two miles above the surrounding terrain, b ... read more Related Links NASA's Planetary Defense Coordination Office Asteroid and Comet Mission News, Science and Technology
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