Purple Mountain Observatory
List of discovered minor planets (1955–1983)

2363 Cebriones
4 October 1977
list
2380 Heilongjiang
18 September 1965
list
2387 Xi'an
17 March 1975
list
2398 Jilin
24 October 1965
list
2425 Shenzhen
17 March 1975
list
2456 Palamedes
30 January 1966
list
2503 Liaoning
16 October 1965
list
2505 Hebei
31 October 1975
list
2510 Shandong
10 October 1979
list
2514 Taiyuan
8 October 1964
list
2515 Gansu
9 October 1964
list
2539 Ningxia
8 October 1964
list
2547 Hubei
9 October 1964
list
2592 Hunan
30 January 1966
list
2617 Jiangxi
26 November 1975
list
2631 Zhejiang
7 October 1980
list
2632 Guizhou
6 November 1980
list
2655 Guangxi
14 December 1974
list
2693 Yan'an
3 November 1977
list
2719 Suzhou
22 September 1965
list
2729 Urumqi
18 October 1979
list
2743 Chengdu
21 November 1965
list
2752 Wu Chien-Shiung
20 September 1965
list
2778 Tangshan
14 December 1979
list
2789 Foshan
6 December 1956
list

Question: How many Cebriones and Palamedes asteroids have been discovered at Purple Mountain Observatory?
Answer: In Purple Mountain Observatory, 2363 Cebriones and 2456 Palamedes asteroids were discovered.