• Processing (Info)

  • MPEC 2004-H45 : 2004 HE12

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2004-H44 Read MPEC 2004-H46


    M.P.E.C. 2004-H45                                Issued 2004 Apr. 22, 11:41 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.
    
             Supported in part by the Steven and Michele Kirsch Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2004 HE12
    
    Observations:
         K04H12E* C2004 04 20.13962 06 19 58.24 +22 06 19.3          20.4 V EH045291
         K04H12E  C2004 04 20.14916 06 20 00.65 +22 05 46.7          20.9 V EH045291
         K04H12E  C2004 04 20.15841 06 20 03.03 +22 05 14.6          20.6 V EH045291
         K04H12E 5C2004 04 21.13993 06 24 12.35 +21 08 41.4          20.0 R EH045673
         K04H12E 5C2004 04 21.14271 06 24 13.06 +21 08 31.8                 EH045673
         K04H12E 5C2004 04 21.14676 06 24 14.04 +21 08 18.0                 EH045673
         K04H12E HC2004 04 21.15795 06 24 16.82 +21 07 38.8                 EH045691
         K04H12E 5C2004 04 21.15984 06 24 17.28 +21 07 32.8                 EH045673
         K04H12E HC2004 04 21.15985 06 24 17.29 +21 07 32.3                 EH045691
         K04H12E 5C2004 04 21.16227 06 24 17.85 +21 07 24.8                 EH045673
         K04H12E 5C2004 04 21.16794 06 24 19.31 +21 07 05.1                 EH045673
         K04H12E tC2004 04 21.16971 06 24 19.71 +21 06 58.3          20.1 V EH045291
         K04H12E tC2004 04 22.13676 06 28 20.39 +20 11 19.7          20.6 V EH045291
         K04H12E tC2004 04 22.15140 06 28 24.01 +20 10 27.9          20.6 V EH045291
         K04H12E tC2004 04 22.15542 06 28 24.94 +20 10 14.3          20.6 V EH045291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. S. Descour.  1.8-m f/2.7 reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer J. A. Larsen.  0.9-m f/3
        reflector + CCD.
    
    Orbital elements:
    2004 HE12                                                            PHA 0.000D
    Epoch 2004 Apr. 5.0 TT = JDT 2453100.5                  MPC
    M   0.94036              (2000.0)            P               Q
    n   0.40316956     Peri.  160.52992     -0.78265303     -0.56675441
    a   1.8147253      Node   337.94213     +0.44037846     -0.21193766
    e   0.4586354      Incl.   43.26318     +0.43991028     -0.79616070
    P   2.44           H   18.5           G   0.15
    From 15 observations 2004 Apr. 20-22.
    
    Ephemeris:
    2004 HE12                a,e,i = 1.81, 0.46, 43                  q = 0.9824
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 04 15    05 56.72   +27 01.4    0.855    0.993    64.0    65.3    20.5
    2004 04 25    06 39.76   +17 27.6    0.887    1.016    64.6    63.4    20.5
    2004 05 05    07 15.11   +08 18.9    0.941    1.052    65.2    60.5    20.6
    2004 05 15    07 45.37   +00 05.2    1.010    1.096    65.7    57.2    20.8
    2004 05 25    08 12.62   -07 08.3    1.088    1.149    66.2    53.8    21.0
    2004 06 04    08 38.30   -13 28.3    1.170    1.207    66.6    50.5    21.1
    2004 06 14    09 03.42   -19 04.6    1.254    1.269    67.0    47.5    21.3
    2004 06 24    09 28.75   -24 06.4    1.339    1.333    67.3    44.7    21.5
    2004 07 04    09 54.81   -28 40.6    1.424    1.398    67.6    42.2    21.6
    2004 07 14    10 22.00   -32 51.2    1.510    1.464    67.6    39.9    21.8
    2004 07 24    10 50.65   -36 40.9    1.597    1.530    67.5    37.8    22.0
    
    Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-H45
    

    Read MPEC 2004-H44 Read MPEC 2004-H46


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)