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  • MPEC 2004-B27 : COMET P/2004 A1

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    M.P.E.C. 2004-B27                                Issued 2004 Jan. 20, 17:35 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
    
                                    COMET P/2004 A1
    
    Observations:
        PK04A010  C2003 10 25.45444 08 46 21.55 +16 49 45.1          20.4 N EB027691
        PK04A010  C2003 10 25.47896 08 46 22.18 +16 49 44.0          20.9 N EB027691
        PK04A010  C2003 10 25.50077 08 46 22.76 +16 49 42.7          20.7 N EB027691
        PK04A010  C2004 01 14.60728 08 44 53.31 +18 15 34.8          18.3 T EB027349
        PK04A010  C2004 01 14.61160 08 44 53.24 +18 15 35.2                 EB027349
        PK04A010  C2004 01 14.61591 08 44 53.10 +18 15 36.1                 EB027349
        PK04A010  C2004 01 14.96284 08 44 44.43 +18 16 33.8          19.2 N EB027J95
        PK04A010  C2004 01 14.96858 08 44 44.26 +18 16 34.1          19.7 N EB027J95
        PK04A010  C2004 01 14.97449 08 44 44.07 +18 16 36.0          18.9 N EB027J95
        PK04A010  C2004 01 15.56285 08 44 29.15 +18 18 16.5          17.5 T EB027372
        PK04A010  C2004 01 15.60231 08 44 28.16 +18 18 23.2          18.8 T EB027360
        PK04A010  C2004 01 15.60689 08 44 28.01 +18 18 24.7                 EB027360
        PK04A010  C2004 01 15.61126 08 44 27.91 +18 18 24.7                 EB027360
        PK04A010  C2004 01 16.00143 08 44 17.95 +18 19 31.2          18.0 T EB027204
        PK04A010  C2004 01 16.00866 08 44 17.72 +18 19 32.1                 EB027204
        PK04A010  C2004 01 16.01883 08 44 17.40 +18 19 34.4          18.3 N EB027204
        PK04A010  C2004 01 16.30947 08 44 10.01 +18 20 24.3          18.2 T EB027644
        PK04A010  C2004 01 16.33089 08 44 09.41 +18 20 28.3          18.2 T EB027644
        PK04A010  C2004 01 16.35859 08 44 08.72 +18 20 33.0          18.4 T EB027644
        PK04A010  C2004 01 17.07789 08 43 50.12 +18 22 35.6          18.6 N EB027J95
        PK04A010  C2004 01 17.08382 08 43 49.93 +18 22 36.8          18.6 N EB027J95
        PK04A010  C2004 01 17.08967 08 43 49.85 +18 22 37.1          18.8 N EB027J95
        PK04A010  C2004 01 17.61538 08 43 36.01 +18 24 08.4                 EB027900
        PK04A010  C2004 01 17.63131 08 43 35.75 +18 24 10.8          18.5 T EB027360
        PK04A010  C2004 01 17.63517 08 43 35.66 +18 24 11.3                 EB027360
        PK04A010  C2004 01 17.64112 08 43 35.44 +18 24 12.3          16.9 T EB027900
        PK04A010  C2004 01 18.15619 08 43 21.93 +18 25 40.7          19.3 N EB027J95
        PK04A010  C2004 01 18.16095 08 43 21.84 +18 25 41.7                 EB027J95
        PK04A010  C2004 01 18.16477 08 43 21.70 +18 25 42.3          19.0 N EB027J95
        PK04A010  C2004 01 19.25858 08 42 52.96 +18 28 52.3          18.8 T EB027691
        PK04A010  C2004 01 19.28612 08 42 52.24 +18 28 57.4          17.3 T EB027703
        PK04A010  C2004 01 19.28716 08 42 52.19 +18 28 57.4          18.8 T EB027691
        PK04A010  C2004 01 19.29764 08 42 51.94 +18 28 59.3          18.4 T EB027703
        PK04A010  C2004 01 19.30910 08 42 51.59 +18 29 01.6          18.5 T EB027703
        PK04A010  C2004 01 19.31703 08 42 51.37 +18 29 02.6          18.8 T EB027691
        PK04A010  C2004 01 19.32059 08 42 51.11 +18 29 02.2          19.5 T EB027703
        PK04A010  C2004 01 19.58681 08 42 44.35 +18 29 48.1          17.5 T EB027372
        PK04A010  C2004 01 19.63576 08 42 43.01 +18 29 56.5          17.7 T EB027372
        PK04A010  C2004 01 19.86230 08 42 36.99 +18 30 35.9          18.9 N EB027J87
        PK04A010  C2004 01 19.87110 08 42 36.75 +18 30 37.7          18.9 N EB027J87
        PK04A010  C2004 01 20.25750 08 42 26.37 +18 31 46.5          17.9 T EB027H41
        PK04A010  C2004 01 20.25995 08 42 26.30 +18 31 46.9          18.0 T EB027H41
        PK04A010  C2004 01 20.26336 08 42 26.19 +18 31 47.0          17.9 T EB027H41
        PK04A010  C2004 01 20.26712 08 42 26.13 +18 31 47.8          17.9 T EB027H41
        PK04A010  C2004 01 20.27068 08 42 25.97 +18 31 48.5          18.0 T EB027H41
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 Newtonian
        + CCD.
    349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
    360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/5.8 Ritchey-Chretien + CCD.
    372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
    644 Palomar Mountain/NEAT.  Observers S. Pravdo, D. MacDonald, K. Lawrence,
        M. Hicks.  1.2-m Schmidt + CCD.
    691 Steward Observatory, Kitt Peak.  Observers M. Block, R. S. McMillan.
        0.9-m f/3 reflector + CCD.
    703 Catalina Sky Survey.  Observers S. Larson, E. Beshore, E. Christensen,
        R. Hill, S. Kolar, D. McLean.  0.68-m f/1.8 Schmidt + CCD.
    900 Moriyama.  Observer Y. Ikari.  0.25-m f/6.3 Schmidt-Cassegrain + CCD.
    H41 Petit Jean Mountain.  Observer P. C. Sherrod.  0.41-m f/3.7
        Schmidt-Cassegrain + CCD.
    J87 La Canada.  Observer J. Lacruz.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        P/2004 A1
    Epoch 2004 Aug. 23.0 TT = JDT 2453240.5
    T 2004 Aug. 22.06046 TT                                 MPC
    q   5.4654581            (2000.0)            P               Q
    n   0.04442222     Peri.   20.14255     -0.81824484     -0.55498671
    a   7.8959167      Node   125.24588     +0.49909676     -0.81520250
    e   0.3078121      Incl.   10.57529     +0.28526796     -0.16563404
    P  22.19
    Residuals in seconds of arc
    031025 691  0.2-  0.1-    040114 349  1.0-  0.2+    040117 360  0.5+  0.5-
    031025 691  0.1-  0.1+    040114 349  0.4-  0.1-    040117 900  0.3-  0.5-
    031025 691  0.3+  0.0     040114 349  0.8-  0.1+    040118 J95  0.2+  0.3-
    031218 291  0.2-  0.1+    040114 J95  0.4+  0.5-    040118 J95  0.7+  0.1-
    031218 291  0.1-  0.1+    040114 J95  0.1+  1.2-    040118 J95  0.2+  0.2-
    031218 291  0.7+  0.0     040114 J95  0.4-  0.3-    040119 691  0.3-  0.1+
    040105 703  1.1-  0.5+    040115 372  0.2-  0.3-    040119 703  0.1+  0.4+
    040105 703  0.1-  0.1+    040115 360  0.3+  0.4-    040119 691  0.2-  0.2+
    040105 703 (2.6-  1.2-)   040115 360  0.1-  0.3+    040119 703  0.3+  0.3+
    040105 703 (1.1-  2.3-)   040115 360  0.1+  0.5-    040119 703  0.3-  0.6+
    040113 699  0.5-  0.7+    040116 204  0.9+  0.2-    040119 691  0.4-  0.2+
    040113 699  0.4+  0.2-    040116 204  0.4+  0.5-    040119 703 (2.7-  0.8-)
    040113 699  0.2-  0.3-    040116 204  0.4-  0.1+    040119 372  1.1+  0.9-
    040113 699  0.7-  1.1+    040116 644  0.2+  0.1-    040119 372  1.0+  1.1-
    040113 673  0.7+  0.0     040116 644  0.3-  0.2+    040119 J87  0.1-  0.5-
    040113 673  0.5+  0.1-    040116 644  0.3+  0.2+    040119 J87  0.1-  0.2-
    040113 673  0.6+  0.1+    040117 J95  0.5+  0.1+    040120 H41  0.4-  1.1+
    040113 673  0.6+  0.1+    040117 J95  0.1+  0.3+    040120 H41  0.4-  1.0+
    040113 J95  0.1+  0.1-    040117 J95  1.1+  0.4-    040120 H41  0.6-  0.5+
    040113 J95  0.2-  0.1+    040117 900  2.0-  0.0     040120 H41  0.0   0.7+
    040113 J95  0.3+  0.2-    040117 360  0.3+  0.4-    040120 H41  0.9-  0.8+
    
    Ephemeris:
        P/2004 A1
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2004 01 16    08 44.30   +18 19.5    4.576    5.537   166.5     2.4  17.2  19.3
    2004 01 26    08 39.84   +18 48.5    4.547    5.531   177.8     0.4  17.2  19.1
    2004 02 05    08 35.28   +19 17.2    4.549    5.525   170.8     1.6  17.2  19.2
    2004 02 15    08 30.97   +19 44.2    4.583    5.519   159.6     3.6  17.2  19.4
    2004 02 25    08 27.25   +20 08.2    4.645    5.514   148.6     5.4  17.2  19.5
    2004 03 06    08 24.42   +20 28.1    4.733    5.508   137.8     6.9  17.3  19.6
    2004 03 16    08 22.67   +20 43.5    4.843    5.504   127.4     8.3  17.3  19.7
    2004 03 26    08 22.12   +20 54.1    4.970    5.499   117.3     9.3  17.4  19.8
    2004 04 05    08 22.83   +20 59.8    5.110    5.495   107.5    10.0  17.4  19.9
    2004 04 15    08 24.76   +21 00.7    5.258    5.491    98.2    10.4  17.5  20.0
    2004 04 25    08 27.85   +20 57.1    5.410    5.487    89.1    10.6  17.6  20.0
    2004 05 05    08 32.02   +20 49.1    5.561    5.483    80.4    10.4  17.6  20.1
    2004 05 15    08 37.13   +20 36.9    5.709    5.480    71.9    10.1  17.7  20.1
    2004 05 25    08 43.10   +20 20.9    5.850    5.477    63.7     9.5  17.7  20.2
    2004 06 04    08 49.78   +20 01.1    5.981    5.475    55.8     8.8  17.8  20.2
    2004 06 14    08 57.07   +19 38.0    6.101    5.473    48.0     7.9  17.8  20.2
    2004 06 24    09 04.86   +19 11.6    6.206    5.471    40.3     6.9  17.8  20.2
    2004 07 04    09 13.05   +18 42.4    6.296    5.469    32.8     5.8  17.9  20.1
    
    Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-B27
    

    Read MPEC 2004-B26 Read MPEC 2004-B28


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