• Processing (Info)

  • MPEC 2003-Y28 : 2002 AY1

    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 2003-Y27 Read MPEC 2003-Y29


    M.P.E.C. 2003-Y28                                Issued 2003 Dec. 19, 03:10 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
    
                                       2002 AY1
    
                               Revision to MPEC 2002-A30
    
    Additional Observations:
         K02A01Y 5C2003 12 17.09248 22 26 00.84 +63 18 00.6          20.5 R EY028673
         K02A01Y 5C2003 12 17.10833 22 26 09.34 +63 17 04.6                 EY028673
         K02A01Y 5C2003 12 17.11944 22 26 15.23 +63 16 24.8                 EY028673
         K02A01Y 5C2003 12 17.13137 22 26 21.58 +63 15 42.0                 EY028673
         K02A01Y 5C2003 12 17.14271 22 26 27.65 +63 15 02.6                 EY028673
         K02A01Y 5C2003 12 17.15567 22 26 34.61 +63 14 16.0                 EY028673
         K02A01Y 5C2003 12 19.07188 22 43 20.01 +61 18 02.9          20.5 R EY028673
         K02A01Y 5C2003 12 19.07662 22 43 22.35 +61 17 43.9                 EY028673
         K02A01Y 5C2003 12 19.08264 22 43 25.17 +61 17 21.6                 EY028673
         K02A01Y 5C2003 12 19.08727 22 43 27.50 +61 17 03.3                 EY028673
         K02A01Y 5C2003 12 19.09491 22 43 31.09 +61 16 35.7                 EY028673
         K02A01Y 5C2003 12 19.09931 22 43 33.25 +61 16 18.0                 EY028673
    
    Observer details:
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    031217 673  1.4-  6.2-    031219 673  1.7-  3.5-    MPO 38331   +0.0011 day
    
    Orbital elements:
    2002 AY1                                                             PHA 0.026D
    Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 MPC
    M 198.28476              (2000.0)            P               Q
    n   1.43439944     Peri.  323.84908     -0.23835778     +0.84757456
    a   0.7786745      Node   287.91047     -0.73232100     -0.47751858
    e   0.4377426      Incl.   29.88637     -0.63788049     +0.23150244
    P   0.69           H   20.8           G   0.15           U   2
    Residuals in seconds of arc (radar residuals in s.d.)
    020107 704  0.4+  0.4-    020108 046 (1.7-  4.1+)   020112 413  0.7+  0.0-
    020107 704  0.3+  0.5-    020109 104  0.0-  1.1+    020114 649  1.3-  0.5+
    020107 704  0.0-  0.6-    020109 104 (0.9+  3.3+)   020114 649  0.1-  0.5-
    020107 704  0.0-  0.1-    020109 104  0.1+  1.2+    020114 649  0.8-  0.1+
    020107 704  0.3-  0.4-    020109 104 (2.0+  3.8+)   031217 673  0.3-  1.7-
    020108 704  0.1+  0.3+    020109 587  0.0-  0.4+    031217 673  0.1+  1.2-
    020108 704  0.1-  0.0-    020109 251/251D 0.156+    031217 673  0.1-  1.2-
    020108 704  0.0-  0.4+    020109 587  0.1+  0.3+    031217 673  0.2-  1.3-
    020108 649  0.8+  1.5+    020109 251/251R 0.452-    031217 673  0.1-  0.1+
    020108 649  1.3-  2.2-    020109 251/251R 0.450+    031217 673  0.2+  0.1+
    020108 649  0.5-  0.1+    020111 413  0.4+  0.6+    031219 673  0.2-  1.5+
    020108 649  2.6+  0.7+    020111 413  0.3+  0.4-    031219 673  0.2+  0.4+
    020108 704  0.3+  0.0+    020111 413  0.4-  0.1-    031219 673  0.5-  1.0+
    020108 704  0.1-  0.4+    020112 715  0.5-  0.5+    031219 673  0.2+  0.3+
    020108 046  0.3+  0.0+    020112 715  1.2-  0.5+    031219 673  0.6-  1.7+
    020108 046  0.5+  1.5-    020112 715  0.2-  0.2+    031219 673  0.4-  0.7+
    020108 046  0.0-  2.2-    020112 413  0.3-  0.0+
    020108 046  0.1-  0.3+    020112 413  0.1-  0.0-
    
    Ephemeris:
    2002 AY1                 a,e,i = 0.78, 0.44, 30                  q = 0.4378
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2003 12 17    22 25.18   +63 23.3    0.354    1.119   103.2    58.9    20.9
    2003 12 27    23 38.88   +52 16.9    0.349    1.111   102.2    59.9    20.9
    2004 01 06    00 27.63   +40 12.2    0.363    1.093    97.7    63.1    21.0
    2004 01 16    01 02.95   +29 02.9    0.391    1.064    90.8    67.6    21.3
    2004 01 26    01 30.47   +19 32.8    0.428    1.024    82.9    72.5    21.5
    2004 02 05    01 52.53   +11 34.7    0.467    0.974    74.8    77.7    21.8
    2004 02 15    02 09.69   +04 40.4    0.502    0.912    66.5    83.1    22.0
    
    Gareth V. Williams           (C) Copyright 2003 MPC           M.P.E.C. 2003-Y28
    

    Read MPEC 2003-Y27 Read MPEC 2003-Y29


    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)