What is the largest and first discovered (by Piazzi at Palermo in 1801) of the minor planets?
Palermo Cathedral centuries. This one was built in 1801 by the famous astronomer Giuseppe Piazzi, the director of the Observatory of Palermo who discovered the first minor planet or asteroid, Ceres. The device itself is quite simple: a tiny hole in one of the minor domes acts as pinhole camera, projecting an image of the sun onto the floor ). There is a bronze line, "la meridiana" on the floor, running precisely N/S. At solar noon (circa 12:00 in winter, 13:00 in summer), the sun image passes through this line. At different times of the year the passage occurs at different point
10001 Palermo city of Palermo, capital of Sicily and location of the Palermo Observatory, where the dwarf planet and first asteroid was discovered by Giuseppe Piazzi on 1 January 1801. The official naming citation was published by the Minor Planet Center on the 200th anniversary of that discovery on 9 January 2001 (). 10001 Palermo 10001 Palermo, provisional designation , is a Vestian asteroid and a slow rotator from the inner regions of the asteroid belt, approximately in diameter. It was discovered on 8 October 1969, by Soviet–Russian astronomer Lyudmila Chernykh using a 0.4-meter double astrograph at the Crimean Astrophysical Observatory in