The 12923 Zephry was discovered on April 11, 1999 at Anderson Mesa Stn., an astronomical observatory established in 1959 as a dark-sky observing site for Lowell Observatory.
The 12923 Zephry was discovered on April 11, 1999 at Anderson Mesa Stn., an astronomical observatory established in 1959 as a dark-sky observing site for Lowell Observatory.