Closest Approach Velocity Sun Region of Num Date U.T. Distance (km/sec) Angle RA(1950) Dec(1950) Mv Observability 1993 P20 3 Oct 9:17 0.36n 28.5 45 15 36 50.527 -5 06 50.77 12.4 E.Australia, Japan 1995 P23 5 Jan 13:58 0.69n 27.6 47 15 58 53.032 -6 53 58.54 14.8 W. N.America P24a 8 Jan 3:37 0.27s 26.7 49 15 59 11.331 -6 54 16.65 13.7 Africa, Middle East P25c 13 Mar 8:03 0.85n 7.2 111 16 02 40.652 -6 41 25.66 15.0 E. N.America, S.America P26 7 May 2:05 0.46n 22.6 161 15 59 04.826 -6 17 16.59 14.7 Europe, Africa, S.America P27d 14 Jun 14:36 0.54n 21.1 152 15 55 03.783 -6 09 06.26 14.7 W. Pacific P28a 6 Jul 3:26 0.25n 15.7 133 15 53 13.669 -6 10 46.87 15.7 E. Americas 1996 P29a 27 Feb 17:02 0.75n 6.6 95 16 11 53.104 -7 43 24.09 16.3 W. Pacific P30a 17 Apr 3:44 0.16n 18.2 143 16 10 16.559 -7 23 12.39 16.4 Europe, Africa, S.America P31a 28 Jul 2:32 0.86s 9.5 114 16 01 20.764 -7 15 35.67 14.5 E. N.America, S.America P33 6 Sep 22:55 0.81s 15.5 76 16 01 41.582 -7 37 44.39 16.1 E. S.America P34a 19 Sep 14:44 0.05s 20.7 65 16 02 31.159 -7 46 22.72 15.3 India 1997 P35 10 Jan 23:35 0.57n 27.2 47 16 17 32.029 -8 44 14.17 15.6 India P36 22 Feb 11:33 0.84n 8.9 88 16 20 55.933 -8 40 00.42 15.6 W. N.America P37 9 May 4:21 0.78s 22.3 159 16 17 43.528 -8 12 14.12 15.7 E. Americas 1998 P40 28 Feb 14:03 0.48n 7.4 92 16 30 15.914 -9 32 28.49 15.6 New Zealand, Hawaii P42a 9 Jul 22:00 0.06s 16.8 137 16 21 01.635 -9 03 30.47 14.7 Africa, Europe P44 21 Sep 15:19 0.45n 19.1 68 16 20 40.094 -9 36 36.84 15.7 India 1999 P45a 1 Feb 18:52 0.57s 0.4 63 16 37 43.506 -10 29 39.10 14.7 Australia P46a 27 Feb 23:32 0.07s 8.5 89 16 39 22.097 -10 25 27.11 15.1 India, Central Asia P47 25 May 1:06 0.33s 23.4 167 16 34 58.401 -9 59 31.00 15.2 Europe, Africa, S.America P48a 11 Jul 22:49 0.57s 17.0 138 16 30 13.718 -9 58 51.54 15.6 Europe, Africa, S.America P49a 26 Sep 1:01 0.25s 19.7 66 16 29 58.316 -10 32 05.73 12.7 W. S.America, Carribean Notes: a possible occultation by Charon b Extremely weak image with uncertain position. c Star not seen on Palomar Sky Survey plates. Despite stellar appearance on the Lick astrograph plate, it could be a film defect or previously unknown variable star. d Palomar Sky Survey plates show faint companion several arcseconds to the southeast.