Henry E. Holt


see

Henry E. Holt 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.

Career

In the 1960s he studied the photometric properties of the lunar surface as part of the Surveyor and Apollo programs.
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, 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. 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. The official naming citation was published by the Minor Planet Center on 30 January 1991.

List of discovered minor planets

Henry Holt made some of his discoveries in collaboration with: Norman G. Thomas, David Levy, Jeffery A. Brown,, and Carolyn Shoemaker
4502 Elizabethann29 May 1989
4544 Xanthus31 March 1989 
4581 Asclepius31 March 1989 
4642 Murchie23 August 1990
4643 Cisneros23 August 1990
4711 Kathy31 May 1989
4745 Nancymarie9 July 1989
4955 Gold17 September 1990
4958 Wellnitz13 July 1991
5034 Joeharrington7 August 1991
5132 Maynard22 June 1990
5134 Ebilson17 September 1990
5185 Alerossi15 September 1990
5235 Jean-Loup16 September 1990
5261 Eureka20 June 1990 
5290 Langevin30 July 1990
5338 Michelblanc13 September 1991
5406 Jonjoseph9 August 1991
5439 Couturier14 September 1990
5442 Drossart12 July 1991
5443 Encrenaz14 July 1991
5444 Gautier5 August 1991
5445 Williwaw7 August 1991
5446 Heyler5 August 1991
5447 Lallement6 August 1991

6014 Chribrenmark7 August 1991
6015 Paularego7 August 1991
6016 Carnelli7 August 1991
7 August 1991
6018 Pierssac7 August 1991
11 September 1991
13 September 1991
6069 Cevolani8 August 1991
6131 Towen27 July 1990
6132 Danielson22 August 1990
6133 Royaldutchastro14 September 1990
6134 Kamagari15 September 1990
6135 Billowen14 September 1990
6154 Stevesynnott22 August 1990
29 July 1990
6243 Yoder27 July 1990
6311 Porubčan15 September 1990
6312 Robheinlein14 September 1990
6314 Reigber17 September 1990
12 July 1991
6386 Keithnoll10 July 1989
22 August 1990
6406 Mikejura28 June 1992
2 August 1992
13 July 1991

7065 Fredschaaf2 August 1992
5 August 1991
7124 Glinos24 July 1990
12 July 1991
7 August 1991
15 September 1991
11 September 1991
15 April 1993
18 June 1993
7194 Susanrose18 September 1993
10 September 1991
12 September 1991
24 August 1990
22 August 1990
15 September 1991
22 August 1990
5 August 1991
2 August 1992
6 August 1992
13 June 1993
24 August 1990
8 August 1991
14 September 1991
24 August 1990
5 August 1991

21 June 1990
16 September 1990
7 August 1991
15 September 1991
11 September 1991
17 September 1991
6 August 1992
8280 Petergruber7 August 1991
8 August 1991
30 September 1992
22 August 1990
15 September 1990
15 September 1990
8380 Tooting29 September 1992
13 October 1993
8494 Edpatvega25 July 1990
22 August 1990
5 August 1991
7 August 1991
7 August 1991
9 August 1991
7 August 1991
29 September 1992
22 August 1990
14 September 1990

11 September 1991
9584 Louchheim25 July 1990
28 August 1990
16 September 1990
7 August 1991
13 September 1991
15 September 1991
2 August 1992
15 June 1993
22 August 1990
28 August 1990
23 August 1990
15 September 1990
5 August 1991
13 September 1991
29 July 1990
25 August 1990
14 September 1990
13 September 1991
13 September 1991
18 September 1993
29 July 1990
22 August 1990
7 August 1991
29 July 1990

15 September 1990
15 September 1990
18 September 1990
14 July 1991
5 August 1991
7 August 1991
11 September 1991
15 September 1991
2 August 1992
29 August 1990
17 September 1990
18 September 1990
17 September 1990
11 September 1991
19 September 1993
30 July 1990
22 August 1990
29 August 1990
14 September 1990
7 August 1991
10 September 1991
1 December 1991
22 August 1990
16 September 1990
10 September 1991

11 September 1991
10 September 1991
2 August 1992
15 June 1993
29 July 1990
25 July 1990
24 August 1990
15 September 1990
16 September 1990
16 September 1990
9 August 1991
5 August 1991
6 August 1991
13 September 1991
11 September 1991
15 September 1991
15 September 1991
2 August 1992
6 August 1992
5 August 1992
13514 Mikerudenko18 June 1990
19 September 1990
18 July 1991
7 August 1991
7 August 1991

26 August 1990
14 September 1990
18 September 1990
5 August 1991
5 August 1991
5 August 1991
6 August 1991
13 September 1991
13 September 1991
15 September 1991
15 September 1991
16 September 1991
16 September 1991
30 September 1992
25 November 1992
23 August 1990
14 September 1990
15 September 1990
5 August 1991
9 August 1991
7 August 1991
7 August 1991
11 September 1991
15 September 1991
23 August 1990

25 August 1990
14 September 1990
14 September 1990
13 September 1990
18 September 1990
18 September 1990
16 September 1990
8 August 1991
5 August 1991
5 August 1991
7 August 1991
8 August 1991
13 September 1991
10 September 1991
12 September 1991
10 September 1991
15 September 1991
23 August 1992
30 September 1992
3 October 1992
20 October 1992
15 April 1993
15 June 1993
13 October 1993
13 October 1993

27 July 1990
28 August 1990
24 August 1990
9 August 1991
12 September 1991
15 September 1991
2 August 1992
24 August 1992
28 August 1990
22 August 1990
18 July 1991
5 August 1991
11 September 1991
13 September 1991
2 August 1992
22 August 1990
15 September 1990
16 September 1990
18 September 1990
18 September 1990
17 September 1990
5 August 1991
13 September 1991
15 September 1991
11 September 1991

18 September 1990
18 July 1991
6 August 1991
10 September 1991
15 September 1991
14 September 1991
16 September 1991
13 October 1993
29 August 1990
18 September 1990
18 July 1991
8 August 1991
8 August 1991
15 September 1991
13 September 1991
11 September 1991
2 August 1992
27 July 1990
14 September 1990
14 September 1990
11 September 1991
12 September 1991
20 October 1992
29 July 1990
23 August 1990

15 September 1990
16 September 1990
9 August 1991
14 September 1991
14 September 1991
2 August 1992
30 September 1992
15 April 1993
14 October 1993
29 July 1990
22 August 1990
15 September 1990
18 September 1990
17 September 1990
18 September 1990
8 August 1991
8 August 1991
15 September 1991
29 June 1992
30 September 1992
30 July 1990
14 September 1990
16 September 1990
7 August 1991
15 September 1991

13 September 1991
13 September 1991
13 September 1991
13 September 1991
14 September 1991
11 September 1991
13 September 1991
29 September 1992
30 September 1992
14 September 1990
10 September 1991
15 September 1991
11 September 1991
11 September 1991
16 September 1991
14 September 1990
5 August 1991
5 August 1991
13 September 1991
13 September 1991
13 September 1991
15 September 1991
14 September 1991
12 September 1991
14 October 1993

20 October 1992
15 April 1993
14 September 1990
16 September 1990
15 September 1991
11 September 1991
14 September 1991
12 September 1991
30 September 1992
6 August 1991
15 September 1990
18 September 1990
7 August 1991
7 August 1991
14 September 1991
14 October 1993
13 September 1991
14 September 1991
13 September 1991
28 August 1990
23 August 1990
5 August 1991
6 August 1991
13 September 1991
15 September 1991