William Kwong Yu Yeung


William Kwong Yu Yeung is a Hong Kong-born, Canadian amateur astronomer with telescopes based in the United States.
He is a prolific discoverer of asteroids and also discovered the comet 172P/Yeung. He also discovered the object J002E3, which was first thought to be an asteroid, but is now known to be part of a Saturn V Rocket that propelled Apollo 12 into space. He worked first from "Rock Finder Observatory" in Calgary, Alberta, and now works from Arizona's Desert Beaver Observatory and Desert Eagle Observatory.

Awards and honors

The outer main-belt asteroid 40776 Yeungkwongyu, discovered by astronomer Roy Tucker at Goodricke-Pigott Observatory in 1999, was named in his honor. The official naming citation was published by the Minor Planet Center on 9 June 2017.

List of discovered minor planets

Yeung is one of the most prolific discoverers of minor planets, credited by the Minor Planet Center with more than 2,000 numbered minor planets. The list below gives most of his discoveries in groups of 50 bodies, sorted by ascending number.
19848 Yeungchuchiu2 October 2000
20760 Chanmatchun27 February 2000
20887 Ngwaikin18 November 2000
22136 Jamesharrison1 November 2000
22183 Canonlau23 December 2000
23257 Denny29 December 2000
23258 Tsuihark29 December 2000
25750 Miwnay28 January 2000
25811 Richardteo26 February 2000
25893 Sugihara19 November 2000
25930 Spielberg21 February 2001
26713 Iusukyin13 April 2001
26732 Damianpeach22 April 2001
26733 Nanavisitor22 April 2001
26734 Terryfarrell23 April 2001
26738 Lishizhen28 April 2001
26743 Laichinglung30 April 2001
27596 Maldives16 February 2001
28963 Tamyiu29 March 2001
28966 Yuyingshih26 April 2001
28980 Chowyunfat15 June 2001
32605 Lucy23 August 2001
32613 Tseyuenman27 August 2001
32618 Leungkamcheung31 August 2001
32622 Yuewaichun11 September 2001

26 November 2000
16 February 2001
39300 Auyeungsungfan30 April 2001
39332 Lauwaiming11 January 2002
12 January 2002
21 January 2002
12 February 2002
20 September 2000
1 October 2000
24 October 2000
25 October 2000
29 October 2000
41740 Yuenkwokyung1 November 2000
1 November 2000
41742 Wongkakui1 November 2000
18 November 2000
23 December 2000
41981 Yaobeina28 December 2000
29 December 2000
29 March 2001
11 September 2001
25 September 2001
25 September 2001
25 September 2001
25 September 2001

24 April 2001
25 April 2001
26 April 2001
18 September 2001
25 September 2001
11 October 2001
9 February 2002
16 April 2002
4 May 2002
6 May 2002
9 May 2002
31 January 2001
2 March 2001
2 March 2001
29 March 2001
31 March 2001
17 April 2001
26 April 2001
28 April 2001
28 April 2001
3 May 2002
4 May 2002
9 June 2002
50412 Ewen26 February 2000
27 March 2001

55383 Cheungkwokwing25 September 2001
55384 Muiyimfong25 September 2001
14 October 2001
15 October 2001
25 October 2001
21 August 2001
23 August 2001
23 August 2001
31 August 2001
24 August 2001
11 September 2001
10 September 2001
11 September 2001
17 September 2001
17 September 2001
17 September 2001
18 September 2001
20 September 2001
25 September 2001
25 September 2001
25 September 2001
26 September 2001
14 October 2001
14 October 2001
15 October 2001

24 August 2001
25 August 2001
10 September 2001
10 September 2001
10 September 2001
11 September 2001
11 September 2001
10 September 2001
11 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
18 September 2001
20 September 2001
18 September 2001
25 September 2001
25 September 2001
25 September 2001
25 September 2001
25 September 2001
25 September 2001
11 October 2001

11 January 2002
14 January 2002
14 January 2002
12 February 2002
12 February 2002
12 February 2002
12 February 2002
14 March 2002
18 March 2002
20 March 2002
3 May 2002
30 October 2000
1 November 2000
29 December 2000
30 December 2000
3 January 2001
31 January 2001
16 February 2001
22 August 2001
10 September 2001
11 September 2001
25 September 2001
15 October 2001
17 October 2001
17 October 2001

20 November 2000
23 November 2000
26 November 2000
26 November 2000
26 November 2000
72060 Hohhot23 December 2000
29 December 2000
16 February 2001
21 February 2001
26 April 2001
28 April 2001
13 June 2001
11 January 2002
12 January 2002
8 February 2002
12 February 2002
12 February 2002
19 February 2002
5 March 2002
12 March 2002
14 March 2002
14 March 2002
16 March 2002
19 March 2002
19 March 2002

24 April 2001
27 April 2001
26 April 2001
28 April 2001
28 April 2001
30 April 2001
14 April 2002
3 May 2002
4 May 2002
4 May 2002
5 May 2002
5 May 2002
8 May 2002
9 May 2002
10 May 2002
2 August 2002
13 August 2002
26 September 2003
27 September 2003
28 September 2003
27 September 2003
26 February 2000
17 April 2001
17 April 2001
18 April 2001

83363 Yamwingwah17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
20 September 2001
20 September 2001
20 September 2001
83598 Aiweiwei25 September 2001
25 September 2001
83600 Yuchunshun25 September 2001
25 September 2001
25 September 2001
14 October 2001
14 October 2001
15 October 2001
15 October 2001
15 October 2001
15 October 2001
17 October 2001
18 October 2001
25 October 2001
9 February 2002

88879 Sungjaoyiu25 September 2001
11 October 2001
14 October 2001
14 October 2001
14 October 2001
18 October 2001
18 October 2001
17 October 2001
17 October 2001
89131 Phildevries23 October 2001
24 October 2001
24 October 2001
25 October 2001
25 October 2001
11 January 2002
19 January 2002
12 February 2002
9 December 2002
7 February 2003
22 February 2003
10 February 2004
9 September 2000
7 October 2000
27 October 2000
19 November 2000

14 January 2002
14 January 2002
14 January 2002
6 February 2002
6 February 2002
8 February 2002
11 February 2002
6 February 2002
12 February 2002
12 February 2002
12 February 2002
12 February 2002
12 February 2002
95247 Schalansky12 February 2002
12 February 2002
12 February 2002
12 February 2002
13 February 2002
14 February 2002
14 February 2002
14 March 2002
14 March 2002
19 March 2002
20 March 2002
14 April 2002

14 March 2002
19 March 2002
20 March 2002
14 April 2002
14 April 2002
15 April 2002
16 April 2002
3 May 2002
5 May 2002
5 May 2002
6 May 2002
5 May 2002
6 May 2002
9 May 2002
10 May 2002
10 May 2002
103220 Kwongchuikuen28 December 1999
27 February 2000
4 October 2000
7 October 2000
1 November 2000
23 December 2000
27 December 2000
3 January 2001
21 January 2001

21 August 2001
22 August 2001
22 August 2001
22 August 2001
23 August 2001
23 August 2001
22 August 2001
23 August 2001
25 August 2001
31 August 2001
31 August 2001
23 August 2001
24 August 2001
24 August 2001
10 September 2001
10 September 2001
10 September 2001
10 September 2001
10 September 2001
11 September 2001
17 September 2001
17 September 2001
17 September 2001
18 September 2001
18 September 2001

11 October 2001
11 October 2001
14 October 2001
15 October 2001
15 October 2001
15 October 2001
14 October 2001
14 October 2001
15 October 2001
16 October 2001
21 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
25 October 2001
25 October 2001
23 October 2001
14 December 2001
14 December 2001
11 January 2002
11 January 2002
14 January 2002
8 February 2002

9 June 2002
13 August 2002
6 March 2003
17 September 2003
17 September 2003
26 September 2003
27 September 2003
27 September 2003
28 September 2003
27 September 2003
29 September 2003
29 September 2003
27 September 2003
27 September 2003
12 February 2004
13 February 2004
12 February 2004
17 February 2004
18 February 2004
26 February 2004
15 March 2004
20 April 2004
17 September 2004
22 September 2004
26 November 2000

27 April 2001
23 August 2001
24 August 2001
25 August 2001
26 August 2001
26 August 2001
26 August 2001
26 August 2001
10 September 2001
10 September 2001
10 September 2001
10 September 2001
10 September 2001
12 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
17 September 2001
18 September 2001
18 September 2001
18 September 2001
18 September 2001
20 September 2001

25 October 2001
11 January 2002
12 January 2002
12 January 2002
12 January 2002
21 January 2002
20 January 2002
21 January 2002
21 January 2002
6 February 2002
6 February 2002
6 February 2002
8 February 2002
8 February 2002
9 February 2002
8 February 2002
11 February 2002
12 February 2002
12 February 2002
12 February 2002
12 February 2002
13 February 2002
14 March 2002
16 March 2002
16 March 2002

15 September 2004
17 September 2004
8 September 2000
23 September 2000
1 November 2000
18 November 2000
3 December 2000
23 December 2000
27 April 2001
27 April 2001
28 April 2001
24 June 2001
25 September 2001
14 December 2001
11 January 2002
11 January 2002
12 January 2002
14 January 2002
14 January 2002
19 January 2002
19 January 2002
21 January 2002
21 January 2002
6 February 2002
8 February 2002

22 September 2003
22 September 2003
27 September 2003
28 September 2003
29 September 2003
29 September 2003
27 September 2003
28 September 2003
29 September 2003
29 September 2003
26 September 2003
16 January 2005
28 January 2006
24 June 2001
17 September 2001
25 September 2001
25 September 2001
21 October 2001
25 October 2001
11 January 2002
12 February 2002
16 April 2002
9 May 2002
9 May 2002
29 September 2003

11 October 2001
14 October 2001
14 October 2001
14 October 2001
15 October 2001
17 October 2001
17 October 2001
17 October 2001
17 October 2001
18 October 2001
18 October 2001
18 October 2001
18 October 2001
22 October 2001
140620 Raoulwallenberg21 October 2001
21 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
24 October 2001
25 October 2001

12 February 2004
144296 Steviewonder16 February 2004
26 February 2004
15 March 2004
10 May 2004
12 May 2004
15 September 2004
17 September 2001
25 September 2001
15 October 2001
15 October 2001
23 October 2001
24 October 2001
19 February 2002
3 May 2002
9 June 2002
7 December 2002
8 December 2002
18 February 2004
26 February 2004
16 September 2006
22 November 2006
26 November 2000
31 August 2001
9 September 2001

18 September 2001
25 September 2001
21 September 2001
17 October 2001
24 October 2001
25 October 2001
6 February 2002
12 February 2002
14 February 2002
16 March 2002
19 March 2002
19 March 2002
12 April 2002
14 April 2002
3 May 2002
20 April 2004
151997 Bauhinia11 May 2004
3 January 2001
23 April 2001
23 August 2001
24 August 2001
10 September 2001
10 September 2001
10 September 2001
17 September 2001

10 September 2001
17 September 2001
18 September 2001
18 September 2001
25 September 2001
25 September 2001
11 October 2001
15 October 2001
17 October 2001
17 October 2001
18 October 2001
23 October 2001
12 February 2002
9 May 2002
7 February 2003
6 March 2003
26 September 2003
15 March 2004
17 July 2004
15 September 2004
17 September 2001
20 September 2001
20 September 2001
25 September 2001
18 October 2001

25 September 2001
14 October 2001
12 January 2002
21 January 2002
8 February 2002
11 February 2002
12 February 2002
12 February 2002
19 February 2002
14 March 2002
26 September 2003
26 September 2003
27 September 2003
29 September 2003
27 September 2003
2 November 2004
16 January 2005
9 September 2001
9 September 2001
9 September 2001
11 September 2001
14 January 2002
6 February 2002
8 February 2002
11 February 2002

24 October 2001
8 February 2002
12 February 2002
5 March 2002
5 March 2002
14 March 2002
20 March 2002
20 March 2002
14 April 2002
14 April 2002
8 May 2002
7 December 2002
18 September 2003
27 September 2003
28 September 2003
11 February 2004
18 February 2004
29 December 2000
30 December 2000
16 June 2001
20 September 2001
25 September 2001
15 April 2002
9 December 2002
17 September 2003

26 April 2001
9 September 2001
15 October 2001
12 January 2002
10 May 2002
4 July 2002
12 February 2004
15 March 2004
22 August 2001
24 August 2001
25 August 2001
9 September 2001
18 September 2001
25 September 2001
22 October 2001
24 October 2001
19 January 2002
8 February 2002
14 February 2002
22 February 2003
6 April 2003
27 September 2003
27 December 2003
12 February 2004
12 February 2004

20 March 2002
16 February 2004
11 October 2001
14 December 2001
17 February 2004
15 March 2004
16 March 2004
12 February 2002
12 April 2002
3 May 2002
10 September 2001
20 September 2001
24 October 2001
24 October 2001
20 September 2003
16 April 2007
23 October 2000
17 September 2001
20 September 2001
25 September 2001
17 October 2001
21 October 2001
21 January 2002
11 February 2002
18 March 2002

11 January 2002
14 January 2002
14 January 2002
11 January 2002
19 January 2002
20 January 2002
19 January 2002
6 February 2002
9 February 2002
10 February 2002
11 February 2002
12 February 2002
12 February 2002
12 February 2002
14 February 2002
14 March 2002
14 March 2002
18 March 2002
14 April 2002
14 April 2002
15 April 2002
14 April 2002
16 April 2002
4 May 2002
7 February 2003

29 September 2003
26 February 2004
15 April 2004
17 September 2004
30 January 2006
22 August 2001
9 September 2001
10 September 2001
17 September 2001
25 September 2001
25 October 2001
13 February 2002
19 February 2002
18 March 2002
20 March 2002
9 December 2002
3 August 2003
28 September 2003
15 September 2004
25 April 2001
26 August 2001
11 September 2001
17 September 2001
18 September 2001
20 September 2001

15 March 2004
10 May 2004
15 September 2004
16 January 2005
18 September 2006
12 February 2002
12 February 2002
12 February 2002
13 March 2002
16 April 2002
18 April 2002
3 May 2002
4 May 2002
21 September 2003
18 February 2004
16 February 2004
12 May 2004
15 September 2006
6 October 2007
3 November 2007
11 December 2002
16 February 2004
20 September 2001
20 September 2001
14 December 2001

28 March 2004
15 September 2004
15 September 2004
22 September 2004
1 February 2006
4 February 2006
19 April 2007
23 August 2001
18 October 2001
11 January 2002
11 January 2002
11 January 2002
11 February 2002
14 March 2002
4 May 2002
6 April 2003
28 September 2003
13 February 2004
13 February 2004
15 March 2004
15 April 2004
3 February 2006
11 April 2007
16 April 2007
12 February 2002

7 February 2003
27 September 2003
10 November 2004
17 September 2001
25 September 2001
18 October 2001
22 October 2001
24 October 2001
8 February 2002
20 March 2002
22 September 2004
31 August 2001
26 August 2001
11 September 2001
11 September 2001
18 September 2001
25 September 2001
24 October 2001
24 October 2001
6 March 2003
26 September 2003
26 September 2003
12 February 2004
13 February 2004
15 September 2004

26 September 2003
16 January 2005
27 January 2006
5 August 2007
8 October 2007
26 April 2001
31 August 2001
20 September 2001
20 September 2001
21 October 2001
19 January 2002
9 February 2002
20 March 2002
9 May 2002
22 September 2003
28 September 2003
18 February 2004
25 February 2004
15 March 2004
15 September 2004
16 January 2005
16 January 2005
6 October 2007
8 October 2007
2 November 2007

29 September 2003
30 September 2003
25 February 2004
16 November 2006
22 November 2006
22 November 2006
22 November 2006
26 November 2006
28 November 2006
19 November 2006
22 December 2006
24 October 2001
14 December 2001
11 January 2002
12 February 2002
16 April 2002
7 February 2003
27 September 2003
12 February 2004
12 February 2004
17 September 2004
2 November 2004
16 January 2005
31 January 2006
1 November 2006

10 November 2004
26 November 2006
17 December 2006
10 September 2001
17 September 2001
18 September 2001
24 October 2001
8 February 2002
9 February 2002
19 March 2002
10 February 2004
15 September 2004
22 November 2006
12 January 2007
17 April 2007
23 May 2007
11 September 2001
11 September 2001
20 September 2001
12 January 2002
6 February 2002
20 September 2003
28 September 2003
28 September 2003
28 March 2004

18 December 2003
15 September 2004
10 November 2004
2 January 2006
22 November 2006
9 February 2007
6 October 2007
13 October 2007
16 October 2007
18 October 2007
16 October 2007
1 November 2007
9 November 2007
10 January 2008
11 April 2008
17 September 2001
6 February 2002
12 February 2002
5 March 2002
14 March 2002
10 December 2002
7 February 2003
15 September 2004
16 January 2005
31 January 2006

8 February 2007
5 August 2007
4 November 2007
16 February 2001
10 September 2001
17 September 2001
20 March 2002
4 December 2002
7 December 2002
29 September 2003
30 September 2003
9 December 2006
16 October 2007
3 November 2007
11 January 2008
22 September 2004
24 August 2001
25 October 2001
12 February 2002
4 May 2002
9 December 2002
9 December 2002
28 September 2003
27 December 2003
12 May 2004

14 October 2001
7 February 2003
27 September 2003
13 February 2004
31 January 2006
18 November 2000
13 June 2001
25 September 2001
17 October 2001
14 February 2002
27 November 2006
11 December 2006
31 August 2001
10 September 2001
10 September 2001
25 September 2001
25 September 2001
20 September 2001
15 October 2001
24 October 2001
12 February 2002
14 March 2002
8 December 2002
28 September 2003
26 September 2003

12 October 2007
17 September 2001
18 March 2002
31 January 2006
16 October 2007
10 September 2001
12 February 2004
17 September 2004
11 January 2008
22 December 2006
17 September 2001
24 October 2001
25 October 2001
12 February 2002
4 February 2006
15 October 2001
27 September 2003
11 February 2004
11 April 2007
7 October 2007
7 February 2003
1 February 2006
22 April 2004
16 January 2005
1 October 2003

3 November 2007
11 January 2008
17 September 2001
7 December 2002
17 July 2004
22 September 2004
28 September 2003
17 December 2006
6 October 2007
9 October 2007
12 October 2007
3 November 2007
28 September 2003
2 November 2007
9 December 2006
1 January 2008
7 April 2003
28 September 2003
26 November 2006
24 October 2001
24 October 2001
11 September 2002
28 September 2003
22 November 2006
24 November 2006

25 October 2001
28 September 2003
14 February 2002
25 February 2004
26 September 2003
7 December 2002
28 May 2008
16 December 2003
22 September 2004
26 September 2003
20 April 2004
20 September 2001
19 September 2003
28 January 2006
23 November 2006
12 December 2006
27 September 2003
19 October 2007
3 November 2007
22 September 2004
10 January 2008
4 March 2006
13 April 2004
18 October 2001
18 March 2002