1.

Asteroid 23 Thalia at opposition Asteroid 23 Thalia makes closest approach to the Earth. Sun, 23 Jan 2011 at 09:22 EDT (4,840 days ago) in Lynx

2.

Asteroid 7 Iris at opposition Asteroid 7 Iris makes closest approach to the Earth. Sun, 23 Jan 2011 at 23:46 EDT (4,839 days ago) in Cancer

3.

Asteroid 44 Nysa at opposition Asteroid 44 Nysa makes closest approach to the Earth. Tue, 08 Feb 2011 at 11:46 EDT (4,824 days ago) in Leo

4.

Asteroid 3 Juno at opposition Asteroid 3 Juno makes closest approach to the Earth. Sat, 12 Mar 2011 at 02:10 EDT (4,792 days ago) in Leo

5.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Sun, 13 Mar 2011 at 07:58 EDT (4,791 days ago) in Leo

6.

Asteroid 10 Hygiea at opposition Asteroid 10 Hygiea makes closest approach to the Earth. Fri, 13 May 2011 at 00:46 EDT (4,730 days ago) in Libra

7.

Asteroid 43 Ariadne at opposition Asteroid 43 Ariadne makes closest approach to the Earth. Mon, 27 Jun 2011 at 03:10 EDT (4,685 days ago) in Sagittarius

8.

Asteroid 21 Lutetia at opposition Asteroid 21 Lutetia makes closest approach to the Earth. Mon, 04 Jul 2011 at 17:34 EDT (4,678 days ago) in Sagittarius

9.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Tue, 26 Jul 2011 at 22:22 EDT (4,656 days ago) in Capricornus

10.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sun, 31 Jul 2011 at 07:58 EDT (4,651 days ago) in Sagitta

11.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Wed, 03 Aug 2011 at 19:58 EDT (4,648 days ago) in Capricornus

12.

Asteroid 192 Nausikaa at opposition Asteroid 192 Nausikaa makes closest approach to the Earth. Wed, 31 Aug 2011 at 03:10 EDT (4,620 days ago) in Aquarius

13.

Asteroid 27 Euterpe at opposition Asteroid 27 Euterpe makes closest approach to the Earth. Tue, 04 Oct 2011 at 17:34 EDT (4,586 days ago) in Cetus

14.

Asteroid 1036 Ganymed at opposition Asteroid 1036 Ganymed makes closest approach to the Earth. Tue, 01 Nov 2011 at 07:58 EDT (4,558 days ago) in Cetus

15.

Asteroid 29 Amphitrite at opposition Asteroid 29 Amphitrite makes closest approach to the Earth. Sun, 06 Nov 2011 at 06:58 EDT (4,553 days ago) in Aries

16.

Asteroid 30 Urania at opposition Asteroid 30 Urania makes closest approach to the Earth. Sun, 13 Nov 2011 at 04:34 EDT (4,546 days ago) in Aries

17.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Sat, 26 Nov 2011 at 23:46 EDT (4,532 days ago) in Perseus

18.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Mon, 27 Feb 2012 at 06:58 EDT (4,440 days ago) in Leo

19.

Asteroid 5 Astraea at opposition Asteroid 5 Astraea makes closest approach to the Earth. Mon, 12 Mar 2012 at 17:34 EDT (4,426 days ago) in Virgo

20.

Asteroid 8 Flora at opposition Asteroid 8 Flora makes closest approach to the Earth. Tue, 20 Mar 2012 at 03:10 EDT (4,418 days ago) in Virgo