A massive Halloween asteroid will whiz by Earth in time for Trick-or-Treat, reported USA Today on Oct. 21. The super-fast, mega asteroid named 2015 TB45 will do a flyby past earth on Oct. 31. Scientists say asteroid 2015 TB145 will be traveling at "unusually" high speeds. The giant Halloween asteroid was discovered on Oct. 10 by the Panoramic Survey Telescope and Rapid Response System, said a report from the Jet Propulsion Laboratory at NASA.Halloween asteroid to whiz by Earth: Super-fast mega 2015 TB45 to flyby Oct. 31 | Examiner.com