Purple Mountain Observatory

Purple Mountain Observatory is an observatory that uses telescopes to look at the stars for new objects in space. It can be found on Purple Mountain in Nanjing, China.
Many asteroids were found at the observatory. Among the asteroids found are the Trojan asteroids 2223 Sarpedon, 2260 Neoptolemus, 2363 Cebriones, 2456 Palamedes, and 3494 Purple Mountain.