| 词条 | Henry E. Holt | ||
| 释义 |
CareerIn the 1960s he studied the photometric properties of the lunar surface as part of the Surveyor and Apollo programs.[3] Between 1989 and 1993, he has discovered nearly 700 minor planets, and ranks among the Top 30 discoverers in MPC's list. His discoveries including the potentially hazardous asteroid 4581 Asclepius, the numbered asteroid that has made the closest approach to Earth at the time,[3] as well as the near-Earth asteroid 4544 Xanthus, and the main-belt asteroid 6312 Robheinlein, which he named after famous science fiction author, Robert Heinlein.[7] He is also a co-discoverer of the three periodic comets 121P/Shoemaker-Holt, 127P/Holt–Olmstead, and 128P/Shoemaker-Holt. Awards and honorsThe Mars-crossing asteroid 4435 Holt was named in his honor.[3] The official naming citation was published by the Minor Planet Center on 30 January 1991 ({{small|M.P.C. 17656}}).[9] List of discovered minor planets{{see also|Category:Discoveries by Henry E. Holt}}Henry Holt made some of his discoveries in collaboration with: {{note label|codisc|A|}} Norman G. Thomas, {{note label|codisc|B|}} David Levy, {{note label|codisc|C|}} Jeffery A. Brown, {{note label|codisc|D|}}, and Carolyn Shoemaker See also
References1. ^Darling, David. "Asclepius (minor planet 4581)". The Internet Encyclopedia of Science. Retrieved 2011-05-24. [2][3][4]2. ^1 2 3 4 {{cite book |title = Dictionary of Minor Planet Names – (4435) Holt |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 381 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_4384 |chapter = (4435) Holt }} 3. ^1 {{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 13 April 2018}} 4. ^1 {{cite web |title = 6312 Robheinlein (1990 RH4) |work = Minor Planet Center |url = https://www.minorplanetcenter.net/db_search/show_object?object_id=6312 |accessdate = 25 January 2016}} }} External links
10 : 1929 births|20th-century astronomers|American astronomers|Discoverers of asteroids|Discoverers of comets|Living people|Northern Arizona University faculty|United States Geological Survey personnel|Discoveries by Henry E. Holt|20th-century American scientists |
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