C/2013 US10 [SEP] time of discovery
C/2013 US10
C/2013 US10 (Catalina) is an Oort cloud comet discovered on 31 October 2013 by the Catalina Sky Survey at an apparent magnitude of 19 using a Schmidt–Cassegrain telescope. the comet is around apparent magnitude 6.
Overview.
When discovered on 31 October 2013 observations from another object from 12 September 2013 were used in the preliminary orbit determination giving an incorrect solution that suggested an orbital period of only 6 years. But by 6 November 2013 a longer observation arc from 14 August until 4 November made it
lost comet of 1783. Kowalski discovered the comet C/2013 US10 on Halloween morning, 2013.
On October 6, 2008, while observing with the CSS 1.5 meter (60") telescope at Mount Lemmon Observatory, he discovered . Approximately 20 hours after its discovery this asteroid entered the Earth's atmosphere over Sudan, becoming the first asteroid discovered before impact with the earth. Kowalski was honored with a small piece of .
On January 1, 2014 Kowalski found another impacting asteroid, this was designated 2014 AA. The impact