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IAU Minor Planet Center

Minor Planet Center

MPEC 2001-N11: CRITICAL-LIST MINOR PLANETS (2001 JULY 20.0 TT)

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M.P.E.C. 2001-N11                                Issued 2001 July 5, 18:14 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                  CRITICAL-LIST MINOR PLANETS (2001 JULY 20.0 TT)

     Ephemerides and orbital elements for the objects listed here
are available on the Minor Planet Center's WWW site at:
http://cfa-www.harvard.edu/iau/Ephemerides/CritList/index.html

1.  Objects observed at only one opposition:
      None

2.  Objects observed at only two oppositions:
     (4581)  (5335)  (5797)  (7236)  (7822)  (7839)  (8014)  (8034)  (9767)
    (10860) (11885) (14402) (16064) (16636) (18106) (20086) (20236) (20255)
    (20790) (23548) (23714) (25143) (25330) (25872) (26209)

3.  Objects observed at only three oppositions:
     (2608)  (3360)  (3757)  (3908)  (4544)  (4688)  (5324)  (5370)  (6130)
     (6489)  (6491)  (7025)  (7335)  (7336)  (8709)  (9172)  (9950) (10145)
    (10636) (11318) (14222) (15817) (16465) (16657) (16851) (16868) (16912)
    (16975) (17181) (17182) (17188) (17274) (17493) (18109) (18172) (18514)
    (18882) (18899) (18919) (19356) (19764) (20425) (20429) (20460) (20461)
    (20826) (21374) (22099) (22753) (22771) (22844) (23183) (23187) (24443)
    (24447) (24475) (24682) (25916) (26166) (26189) (26310) (26760)

4.  Objects observed at four or more oppositions, last more than five
    years ago:
     (1915)  (2101)  (2135)  (3554)  (4401)  (5620)  (5645)

5.  Objects observed at four or more oppositions, only one night in last
    five years:
     (1921)  (2062)  (2063)  (4596)  (5011)  (5381)  (5496)  (5660)

6.  Other poorly-observed objects observed at four or more oppositions:
     (2340)  (3200)  (3362)  (3753)  (4769)  (5590)  (5604)  (5786)  (5828)
     (8463) (11405) (15263) (15836) (15883) (16120) (16308) (16710) (16798)
    (17193) (17198) (17200)

   Ephemeris Positions Of Critical-List Minor Planets For 2001 July 20.0 TT

 Designation (and name)   Ref.   R.A. (2000) Decl.  Geo.  Hel.  El.   Ph.   V
(25330) 1999 KV4          12590* 13 46.50 -18 38.9  1.14  1.58  94.0  39.9 19.7
(24475) 2000 VN2          11420* 13 56.44 -05 47.5  1.89  2.17  91.8  27.9 20.8
 (1921) Pala              27544* 14 09.41 -34 07.5  3.38  3.76 103.8  15.2 20.7
(26209) 1997 RD1          13921* 15 01.47 +01 14.6  1.59  2.09 104.5  28.1 19.9
(26310) 1998 TX6          13954* 15 20.04 -00 05.4  0.34  1.17 109.3  54.8 19.2
(16710) 1995 SL20          2912* 15 23.34 -26 43.6  2.09  2.71 117.7  19.4 20.3
(19356) 1997 GH3           9661* 15 39.41 -14 49.3  1.23  1.94 118.6  27.4 20.2
(16798) 1997 EL50          2936* 15 49.73 -31 30.5  1.50  2.23 124.0  22.2 19.6
 (5011) Ptah               4877* 17 31.62 -35 26.1  1.43  2.33 144.8  14.5 20.5
(17198) 2000 AA31          3054* 17 55.02 -29 33.0  1.11  2.05 151.0  13.9 17.3
(17193) 1999 XC205         3053* 18 59.79 -35 02.0  1.18  2.16 160.8   8.9 17.4
 (4596) 1981 QB           27087* 19 50.92 +23 31.6  1.08  1.94 135.8  21.4 18.7
 (4769) Castalia           3855* 20 25.57 -34 46.4  0.39  1.39 164.6  11.2 16.2
(16868) 1998 AK8           2958* 20 48.25 -12 36.7  1.11  2.11 165.4   7.0 18.9
(26760) 2001 KP41         14090* 21 04.18 +04 45.9  0.29  1.28 149.8  23.6 14.5
 (4401) Aditi             27544* 22 15.54 -50 04.5  2.36  3.21 140.0  11.7 20.9
(20826) 2000 UV13          7954* 22 38.64 -51 30.4  1.22  2.08 136.1  19.8 16.5
(26166) 1995 QN3          13908* 23 18.63 +15 35.1  0.90  1.65 118.8  32.6 19.5
(24682) 1990 BH           12373* 23 42.24 -19 01.7  2.15  2.88 127.4  16.3 19.3
 (5645) 1990 SP           22479* 23 48.43 -32 56.4  0.79  1.62 127.7  29.7 18.8
(20236) 1998 BZ7           7768* 23 54.10 -07 40.1  0.98  1.75 121.5  29.8 20.1
(20429) 1998 YN1           7831* 23 54.42 -17 37.8  0.55  1.40 124.3  36.8 18.9
 (8463) 1981 EM27         31487* 00 30.05 +01 22.6  3.11  3.58 109.9  15.5 20.2
(25143) 1998 SF36         12525* 00 31.43 -02 50.9  0.30  1.16 111.1  54.7 18.9
(15263) 1990 TY7            842* 01 19.26 +06 36.8  2.30  2.62  96.6  22.7 19.2

Gareth V. Williams           (C) Copyright 2001 MPC           M.P.E.C. 2001-N11

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