| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Purple Mountain Observatory - List of discovered minor planets (1955–1983) |  |  |
| 3 | 2363 Cebriones | 4 October 1977 | list |
| 4 | 2380 Heilongjiang | 18 September 1965 | list |
| 5 | 2387 Xi'an | 17 March 1975 | list |
| 6 | 2398 Jilin | 24 October 1965 | list |
| 7 | 2425 Shenzhen | 17 March 1975 | list |
| 8 | 2456 Palamedes | 30 January 1966 | list |
| 9 | 2503 Liaoning | 16 October 1965 | list |
| 10 | 2505 Hebei | 31 October 1975 | list |
| 11 | 2510 Shandong | 10 October 1979 | list |
| 12 | 2514 Taiyuan | 8 October 1964 | list |
| 13 | 2515 Gansu | 9 October 1964 | list |
| 14 | 2539 Ningxia | 8 October 1964 | list |
| 15 | 2547 Hubei | 9 October 1964 | list |
| 16 | 2592 Hunan | 30 January 1966 | list |
| 17 | 2617 Jiangxi | 26 November 1975 | list |
| 18 | 2631 Zhejiang | 7 October 1980 | list |
| 19 | 2632 Guizhou | 6 November 1980 | list |
| 20 | 2655 Guangxi | 14 December 1974 | list |
| 21 | 2693 Yan'an | 3 November 1977 | list |
| 22 | 2719 Suzhou | 22 September 1965 | list |
| 23 | 2729 Urumqi | 18 October 1979 | list |
| 24 | 2743 Chengdu | 21 November 1965 | list |
| 25 | 2752 Wu Chien-Shiung | 20 September 1965 | list |
| 26 | 2778 Tangshan | 14 December 1979 | list |
| 27 | 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.