NASA on Alert as HUGE Asteroid '2015 TB145' Set to 'Skim Past Earth' with Highly Uncertain Orbit

NASA on Alert as HUGE Asteroid ’2015 TB145′ Set to ‘Skim Past Earth’ with Highly Uncertain Orbit – YouTube

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NASA on Alert as HUGE Asteroid ’2015 TB145′ Set to ‘Skim Past Earth’ with Highly Uncertain Orbit

A 500 metre wide asteroid will skim past earth at 78,000 mph.
According to NASA’s Near Earth Object Programme the enormous lump of rock will pass within 300,000 miles (1.3 LD) – a tiny distance in astronomical terms – of Earth on October 31.
The Minor Planet Center has classified 2015 TB145 as “Potentially Hazardous Asteroid.”

During closest approach to Earth the asteroid will reach about apparent magnitude 10, and will be observable to amateur astronomers with small telescopes. At peak brightness, It will be best seen in the Northern hemisphere.

The asteroid was first observed on 10 October 2015 by Pan-STARRS at an apparent magnitude of 20 using a 1.8-meter Ritchey–Chrétien telescope. On 31 October 2015 the asteroid will pass about 0.0019 AU (280,000 km; 180,000 mi) from the Moon and then pass about 0.0032 AU (480,000 km; 300,000 mi) from Earth. https://en.wikipedia.org/wiki/2015_TB145
http://ssd.jpl.nasa.gov/sbdb.cgi?sstr…
http://neo.jpl.nasa.gov/ca/

2015 TD144 Closest Approach Oct. 23rd 0.3 LD
82,921 Miles (133,448 km) – not yet on NASA public tables
By Lunar Meteorite Hunter, Tokyo
http://lunarmeteoritehunters.blogspot…
http://lunarmeteoritehunters.blogspot…