MPEC 2002-C90 : 2002 CZ46

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M.P.E.C. 2002-C90                                Issued 2002 Feb. 13, 19:05 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

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

                                   2002 CZ46

Observations:
     K02C46Z* C2002 02 11.52233 11 26 08.08 -09 39 43.2          20.3        608
     K02C46Z  C2002 02 11.53325 11 26 07.42 -09 39 28.4          20.7        608
     K02C46Z  C2002 02 11.54364 11 26 06.84 -09 39 14.8          20.6        608
     K02C46Z  C2002 02 12.36104 11 25 25.35 -09 20 52.3          18.7 R      711
     K02C46Z  C2002 02 12.36715 11 25 24.98 -09 20 45.0          18.9 R      711
     K02C46Z  C2002 02 12.37348 11 25 24.59 -09 20 35.8          18.9 R      711
     K02C46Z  C2002 02 12.38165 11 25 24.26 -09 20 24.6          18.9 R      651
     K02C46Z  C2002 02 12.38391 11 25 24.13 -09 20 21.8          18.9 R      651
     K02C46Z  C2002 02 12.38624 11 25 23.96 -09 20 15.5          18.4 R      651
     K02C46Z  C2002 02 12.54716 11 25 14.97 -09 16 38.0          18.8        644
     K02C46Z  C2002 02 12.55818 11 25 14.35 -09 16 22.3          19.4        644
     K02C46Z  C2002 02 12.56927 11 25 13.74 -09 16 07.6          19.4        644
     K02C46Z  C2002 02 12.71492 11 25 06.44 -09 12 34.6          19.3        422
     K02C46Z  C2002 02 12.71606 11 25 06.42 -09 12 32.7                      413
     K02C46Z  C2002 02 12.71812 11 25 06.30 -09 12 29.7                      413
     K02C46Z  C2002 02 12.71897 11 25 06.26 -09 12 28.1          19.3        422
     K02C46Z  C2002 02 12.72018 11 25 06.19 -09 12 27.1                      413
     K02C46Z  C2002 02 13.35084 11 24 32.85 -08 58 06.5          18.6 R      711
     K02C46Z  C2002 02 13.35686 11 24 32.51 -08 57 57.6          18.8 R      711
     K02C46Z  C2002 02 13.36288 11 24 32.16 -08 57 49.1          18.6 R      711

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
422 Loomberah.  Observer G. J. Garradd.  0.45-m f/5.4 reflector + CCD.
608 Haleakala-NEAT/MSSS.  Observers E. F. Helin, S. Pravdo, K. Lawrence,
    P. Kervin, R. Maeda, J. Africano, M. Hicks.  1.2-m reflector + CCD.
644 Palomar Mountain/NEAT.  Observers E. F. Helin, S. Pravdo, K. Lawrence,
    M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
    A. Deetz.  1.2-m Schmidt + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    reflector + CCD.
711 McDonald Observatory.  Observer P. J. Shelus.  0.76-m reflector + CCD.

Orbital elements:
2002 CZ46
Epoch 2002 Jan. 26.0 TT = JDT 2452300.5                 MPC
M  52.13064              (2000.0)            P               Q
n   0.44812256     Peri.  245.50310     +0.51163629     -0.85859879
a   1.6912384      Node   173.44254     +0.85438878     +0.50445219
e   0.3182879      Incl.   16.37409     +0.09081920     +0.09130232
P   2.20           H   17.9           G   0.15
From 20 observations 2002 Feb. 11-13.

Ephemeris:
2002 CZ46                a,e,i = 1.69, 0.32, 16                  q = 1.1529
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2002 02 05    11 30.72   -11 52.1    0.674    1.544   136.1    26.3    19.2
2002 02 15    11 23.02   -08 18.9    0.657    1.588   149.3    18.5    18.9
2002 02 25    11 12.31   -03 57.8    0.659    1.632   163.4    10.0    18.7
2002 03 07    11 00.80   +00 40.0    0.684    1.675   174.8     3.1    18.5
2002 03 17    10 50.72   +04 58.3    0.735    1.717   165.8     8.2    19.0
2002 03 27    10 43.76   +08 30.3    0.809    1.758   153.1    14.9    19.5
2002 04 06    10 40.62   +11 06.3    0.903    1.797   141.4    20.3    20.0
2002 04 16    10 41.25   +12 49.0    1.013    1.836   131.1    24.3    20.4
2002 04 26    10 45.24   +13 46.2    1.135    1.872   121.8    27.2    20.8
2002 05 06    10 51.97   +14 07.1    1.266    1.907   113.5    29.0    21.1
2002 05 16    11 00.87   +13 59.3    1.402    1.940   105.9    30.1    21.4
2002 05 26    11 11.47   +13 29.2    1.542    1.972    98.9    30.5    21.6
2002 06 05    11 23.37   +12 41.9    1.684    2.002    92.4    30.4    21.9
2002 06 15    11 36.28   +11 40.9    1.826    2.030    86.2    29.9    22.0

Brian G. Marsden             (C) Copyright 2002 MPC           M.P.E.C. 2002-C90

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