Henry E. Holt
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Henry E. Holt
Henry Holt (right) with Jack Schmitt at the Arizona Bank Building

Henry E. Holt (born 1929)[2] is an American astronomer and prolific discoverer of minor planets and comets, who has worked as a planetary geologist at the United States Geological Survey and Northern Arizona University.[3]

Career

In 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.[1] 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.[4] He is also a co-discoverer of the three periodic comets 121P/Shoemaker-Holt, 127P/Holt-Olmstead, and 128P/Shoemaker-Holt.

Awards and honors

The 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 (M.P.C. 17656).[5]

List of discovered minor planets

Henry Holt made some of his discoveries in collaboration with: A Norman G. Thomas, B David Levy, C Jeffery A. Brown, D , and Carolyn Shoemaker

4502 Elizabethann 29 May 1989 list
4544 Xanthus 31 March 1989 list[A]
4581 Asclepius 31 March 1989 list[A]
4642 Murchie 23 August 1990 list
4643 Cisneros 23 August 1990 list
4711 Kathy 31 May 1989 list
4745 Nancymarie 9 July 1989 list
4955 Gold 17 September 1990 list
4958 Wellnitz 13 July 1991 list
5034 Joeharrington 7 August 1991 list
5132 Maynard 22 June 1990 list
5134 Ebilson 17 September 1990 list
5185 Alerossi 15 September 1990 list
5235 Jean-Loup 16 September 1990 list
5261 Eureka 20 June 1990 list[B]
5290 Langevin 30 July 1990 list
5338 Michelblanc 13 September 1991 list
5406 Jonjoseph 9 August 1991 list
5439 Couturier 14 September 1990 list
5442 Drossart 12 July 1991 list
5443 Encrenaz 14 July 1991 list
5444 Gautier 5 August 1991 list
5445 Williwaw 7 August 1991 list
5446 Heyler 5 August 1991 list
5447 Lallement 6 August 1991 list
5485 Kaula 11 September 1991 list
5519 Lellouch 23 August 1990 list
5523 Luminet 5 August 1991 list
5524 Lecacheux 15 September 1991 list
5584 Izenberg 31 May 1989 list
16 September 1990 list[C]
5594 Jimmiller 12 July 1991 list
5595 Roth 5 August 1991 list
5596 Morbidelli 7 August 1991 list
5597 Warren 5 August 1991 list
5598 Carlmurray 8 August 1991 list
5642 Bobbywilliams 27 July 1990 list
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30 September 1992 list
24 August 1990 list
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1 October 1992 list
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Co-discovery made with:
A N. G. Thomas
B D. H. Levy
C J. A. Brown
D C. S. Shoemaker

See also

References

  1. ^ a b "Minor Planet Discoverers (by number)". Minor Planet Center. 11 July 2018. Retrieved 2018.
  2. ^ Darling, David. "Asclepius (minor planet 4581)". The Internet Encyclopedia of Science. Retrieved 2011-05-24.
  3. ^ a b c d Schmadel, Lutz D. (2007). "(4435) Holt". Dictionary of Minor Planet Names - (4435) Holt. Springer Berlin Heidelberg. p. 381. doi:10.1007/978-3-540-29925-7_4384. ISBN 978-3-540-00238-3.
  4. ^ "6312 Robheinlein (1990 RH4)". Minor Planet Center. Retrieved 2016.
  5. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 2018.

External links


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