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Minor Planet Center

MPEC 2001-U31 : 2001 UZ4

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M.P.E.C. 2001-U31                                Issued 2001 Oct. 22, 17:19 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

                                   2001 UZ4

Observations:
     K01U04Z* C2001 10 17.24225 00 28 55.30 +08 43 20.3          19.4        704
     K01U04Z  C2001 10 17.25840 00 28 52.94 +08 44 33.0          20.0        704
     K01U04Z  C2001 10 17.27438 00 28 50.60 +08 45 46.8          20.3        704
     K01U04Z  C2001 10 17.29036 00 28 48.31 +08 47 01.1          20.2        704
     K01U04Z  C2001 10 18.15555 00 26 52.36 +09 52 53.1          19.7        704
     K01U04Z  C2001 10 18.17127 00 26 50.10 +09 54 04.8          20.1        704
     K01U04Z  C2001 10 18.18699 00 26 47.87 +09 55 16.3          19.9        704
     K01U04Z  C2001 10 18.20271 00 26 45.60 +09 56 28.8          20.4        704
     K01U04Z  C2001 10 18.21845 00 26 43.36 +09 57 41.1          20.4        704
     K01U04Z  C2001 10 19.36047 00 24 09.64 +11 23 51.4          19.0 R      649
     K01U04Z  C2001 10 19.36221 00 24 09.33 +11 24 00.0          19.0 R      649
     K01U04Z  C2001 10 19.36566 00 24 08.91 +11 24 15.7          19.4 R      649
     K01U04Z  C2001 10 19.36794 00 24 08.59 +11 24 25.7          19.1 R      649
     K01U04Z  C2001 10 19.90833 00 22 58.75 +12 04 53.7          18.7 R      046
     K01U04Z  C2001 10 19.90949 00 22 58.60 +12 04 58.1          18.8 R      046
     K01U04Z  C2001 10 19.91160 00 22 58.25 +12 05 06.6          18.6 R      046
     K01U04Z  C2001 10 21.27051 00 20 02.76 +13 45 52.0          19.7        704
     K01U04Z  C2001 10 21.28797 00 20 00.42 +13 47 09.1          19.9        704
     K01U04Z  C2001 10 21.30457 00 19 58.13 +13 48 21.1          19.8        704
     K01U04Z  C2001 10 21.32102 00 19 55.93 +13 49 33.3          19.7        704

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy.  0.57-m f/5.2 reflector + CCD.
649 Powell Observatory, Louisburg.  Observer K. Smalley.  0.75-m Newtonian
    + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli.  Measurers
    J. Stuart, R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.

Orbital elements:
2001 UZ4
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5                 Spahr
M 358.13768              (2000.0)            P               Q
n   0.19582791     Peri.   11.55587     +0.87639035     -0.46495775
a   2.9368808      Node    17.86767     +0.40281899     +0.56484810
e   0.5583879      Incl.   24.14750     +0.26396366     +0.68173376
P   5.03           H   20.4           G   0.15
From 20 observations 2001 Oct. 17-21.

Ephemeris:
2001 UZ4                 a,e,i = 2.94, 0.56, 24                  q = 1.2970
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 10 18    00 27.21   +09 41.2    0.314    1.301   164.2    12.0    19.2
2001 10 28    00 07.09   +21 30.7    0.338    1.297   149.7    22.8    19.7
2001 11 07    23 53.96   +30 47.4    0.386    1.302   137.7    30.8    20.2
2001 11 17    23 49.48   +37 29.4    0.448    1.317   128.9    35.7    20.7
2001 11 27    23 53.73   +42 18.2    0.520    1.341   122.7    38.2    21.2
2001 12 07    00 05.76   +45 51.6    0.599    1.374   118.2    39.2    21.5
2001 12 17    00 24.52   +48 32.5    0.684    1.414   114.7    39.2    21.9
2001 12 27    00 49.03   +50 34.7    0.773    1.460   111.8    38.7    22.2

Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-U31

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