• MPC Preparation (Info)

    • MPEC 2001-P32 : 2001 PH9

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    M.P.E.C. 2001-P32                                Issued 2001 Aug. 12, 23:26 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 PH9

Observations:
     K01P09H* C2001 08 10.26066 21 15 54.30 -04 37 11.1          20.3        644
     K01P09H  C2001 08 10.27078 21 15 54.31 -04 36 57.4          20.2        644
     K01P09H  C2001 08 10.28088 21 15 54.34 -04 36 43.9          20.4        644
     K01P09H  C2001 08 10.98947 21 16 01.32 -04 20 48.3                      557
     K01P09H  C2001 08 11.00811 21 16 01.38 -04 20 24.5                      557
     K01P09H  C2001 08 11.02127 21 16 01.50 -04 20 03.6                      557
     K01P09H  C2001 08 11.02847 21 16 01.38 -04 19 54.8                      557
     K01P09H 1C2001 08 11.37506 21 16 05.51 -04 12 02.3                      658
     K01P09H 1C2001 08 11.37811 21 16 05.49 -04 11 58.6                      658
     K01P09H 1C2001 08 11.38255 21 16 05.46 -04 11 52.7                      658
     K01P09H FC2001 08 11.91649 21 16 12.13 -03 59 43.7          19.1 R      046
     K01P09H FC2001 08 11.91836 21 16 12.30 -03 59 40.3          19.0 R      046
     K01P09H  C2001 08 12.37797 21 16 15.99 -03 49 08.9          20.4 R      649
     K01P09H  C2001 08 12.39988 21 16 16.11 -03 48 39.0          19.9 R      649
     K01P09H  C2001 08 12.41169 21 16 16.24 -03 48 23.2          19.9 R      649

Observer details:
046 Klet.  Observers J. Ticha, M. Tichy, P. Jelinek.  0.57-m f/5.2 reflector
    + CCD.
557 Ondrejov.  Observer P. Kusnirak.  0.65-m f/3.6 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.
649 Powell Observatory, Louisburg.  Observer K. Smalley, D. Young.  0.75-m
    Newtonian + CCD.
658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
    Plaskett reflector + CCD.

Orbital elements:
2001 PH9
Epoch 2001 July 30.0 TT = JDT 2452120.5                 Williams
M 345.41976              (2000.0)            P               Q
n   0.28213320     Peri.   63.43270     +0.98743887     +0.13567751
a   2.3023247      Node   288.67982     -0.15727489     +0.89311533
e   0.4636983      Incl.    4.90317     +0.01513570     +0.42887832
P   3.49           H   21.4           G   0.15
From 15 observations 2001 Aug. 10-12.

Ephemeris:
2001 PH9                 a,e,i = 2.30, 0.46, 5                   q = 1.2347
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 08 09    21 15.67   -05 05.3    0.299    1.309   169.2     8.4    19.9
2001 08 19    21 17.84   -01 16.7    0.273    1.279   165.5    11.4    19.8
2001 08 29    21 22.27   +02 28.2    0.259    1.256   159.4    16.5    19.8
2001 09 08    21 30.69   +05 51.4    0.255    1.241   153.5    21.3    19.9
2001 09 18    21 43.92   +08 37.9    0.260    1.235   148.7    25.0    20.1
2001 09 28    22 02.03   +10 41.9    0.275    1.238   145.1    27.6    20.3
2001 10 08    22 24.07   +12 06.8    0.299    1.250   142.4    29.2    20.5
2001 10 18    22 48.56   +12 59.9    0.333    1.270   140.0    30.3    20.8
2001 10 28    23 14.27   +13 33.1    0.379    1.298   137.4    31.2    21.2
2001 11 07    23 40.10   +13 57.3    0.435    1.333   134.5    32.0    21.6
2001 11 17    00 05.39   +14 20.2    0.504    1.374   131.1    32.8    22.0

Gareth V. Williams           (C) Copyright 2001 MPC           M.P.E.C. 2001-P32

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