The 365 Days Of Astronomy, The Daily Podcast Of The International Year Of Astronomy 2009

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org Today's 2 topics: - A winter storm hit Mt. Lemmon, Arizona closing access to the observatory by blowing over trees and producing large snow drifts. After the Mountain Operations Crew cleared the road, my Catalina Sky Survey teammate Greg Leonard was able to make his way to the top and discover an asteroid which could be visited by human astronauts. Greg's new 120 foot diameter space rock, named 2017 BV93, spends most of its time between Earth and Venus as it orbits the Sun once every 346 days. - Recently, my Catalina Team Captain Eric Christensen discovered a potentially hazardous 3,000 foot diameter asteroid, 2017 CH1. Asteroid hunters are discovering less than one asteroid of this size or greater per month. Eric's discovery, 2017 CH1, has an orbit which can bring it to about twice the Moon's distance from