In fact, according to NASA's Near-Earth Object program at its Jet Propulsion Laboratory, the Earth sees about 40 or so of these events every year.
12.
The object is estimated by NASA's Near Earth Object Program Office to be 580 meters in diameter with an approximate mass of 2.6?0 11 kg.
13.
Don Yeomans, director of NASA's Near-Earth Object Program at the Jet Propulsion Laboratory in California, said an asteroid passage within view of the Earth is uncommon.
14.
Unlike similar projects to search for near-Earth asteroids or near-Earth objects ( NEOs ) such as NASA's Near-Earth Object Program, Sentinel will orbit between Earth and the Sun.
15.
"One way or another, this thing is coming off the risk page, " said Donald Yeomans, manager of NASA's near-Earth object program office at the Jet Propulsion Laboratory.
16.
Subsequently, languages such as C were developed, where the combination of features was sufficient to write system software, and a compiler could be developed that generated efficient object programs on modest hardware.
17.
NASA's Near Earth Object program gives the asteroid a rating of " 0 " on the Torino impact hazard scale _ within a range of " events meriting careful monitoring, " but not concern.
18.
Don Yeomans, head of the Near Earth Object Program at NASA s Jet Propulsion Laboratory in Pasadena, California, said, " Statistically, it s far more likely to have come from below than from above.
19.
NASA's Near Earth Object program gives the asteroid a rating of " 1 " on the Torino impact hazard scale _ within a range of " events meriting careful monitoring, " but not concern.
20.
Non-observational work focuses on computations of orbit and close approaches of asteroids with the Earth ( linked at Near Earth Object Program at Jet Propulsion Laboratory ) and orbit and identifications of asteroids and comets.
