(29075) 1950 DA [SEP] discoverer or inventor
with a Palermo rating of −1.42. As of 2018, It is listed on the Sentry Risk Table with the highest cumulative Palermo rating. is not assigned a Torino scale rating, because the 2880 date is over 100 years in the future.
Discovery and name.
" was first discovered on February 23, 1950, by Carl A. Wirtanen at Lick Observatory. It was observed for seventeen days and then lost because the short observation arc resulted in large uncertainties in Wirtanen's orbital solution. On December 31, 2000 it
7.2991 hours and a brightness variation in the range 0.02–0.104 magnitude. Based upon radar data, the near surface solid density of the asteroid is 2.7.
Diana is expected to pass about from (29075) 1950 DA on August 5, 2150. Main-belt asteroid 4217 Engelhardt (~9 km in diameter) will pass about from (29075) 1950 DA in 2736.