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  • MPEC 2014-A65 : 2006 AL4

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    M.P.E.C. 2014-A65                                Issued 2014 Jan. 10, 22:16 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2006 AL4
    
                               Revision to MPEC 2006-A47
    
    Additional Observations:
         K06A04L  C2014 01 07.23210 05 35 37.54 +24 14 48.3          20.4 VqEA065G96
         K06A04L  C2014 01 07.23732 05 35 38.82 +24 15 01.0          20.7 VqEA065G96
         K06A04L  C2014 01 07.24775 05 35 41.42 +24 15 27.2          20.6 VqEA065G96
         K06A04L  C2014 01 09.15843 05 45 51.50 +25 39 15.0          20.3 VqEA065G96
         K06A04L  C2014 01 09.16334 05 45 53.06 +25 39 29.6          20.3 VqEA065G96
         K06A04L  C2014 01 09.17418 05 45 56.50 +25 40 01.3          19.9 VqEA065G96
         K06A04L KC2014 01 09.83100 05 49 56.74 +26 10 46.4          20.3 RqEA065J95
         K06A04L KC2014 01 09.85112 05 50 03.92 +26 11 46.3          20.0 RqEA065J95
         K06A04L  C2014 01 10.07931 05 51 34.74 +26 23 16.7          21.2 VqEA065G96
         K06A04L  C2014 01 10.08591 05 51 37.17 +26 23 37.8          20.9 VqEA065G96
         K06A04L  C2014 01 10.08920 05 51 38.39 +26 23 48.6                qEA065G96
         K06A04L  C2014 01 10.17584 05 52 09.65 +26 28 21.4          20.1 RoEA065926
         K06A04L  C2014 01 10.18154 05 52 11.74 +26 28 39.3          20.2 RoEA065926
    
    Observer details:
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, F. C. Shelly.  1.5-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or integer in degrees), reference and Delta-T
    140107 G96  118-   34+    140110 926  114-   37+    MPO 98073    +41 day
    
    Orbital elements:
    2006 AL4                                                 Earth MOID = 0.0490 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 338.54625              (2000.0)            P               Q
    n   0.24644333     Peri.   28.09857     -0.65793506     -0.75159858
    a   2.5195598      Node   103.08490     +0.68155138     -0.62089968
    e   0.5913814      Incl.    2.77329     +0.32032667     -0.22267275
    P   4.00           H   24.8           G   0.15           U   2
    Residuals in seconds of arc
    060108 G96  0.4+  0.5-    060109 G96  0.1-  0.4+    140109 G96  0.4+  0.1-
    060108 G96  0.4+  0.8-    060109 G96  0.4-  0.3+    140109 G96  0.4+  0.1+
    060108 G96  0.6-  0.6-    060109 G96  0.6-  0.2-    140109 G96  0.4+  0.3+
    060108 G96  0.2-  0.1-    060109 G96  0.4-  0.3+    140109 J95  0.4-  0.6+
    060108 G96  0.5-  0.3-    060110 G96  0.0   0.0     140109 J95  0.0   0.4-
    060108 G96  0.3+  0.9-    060110 G96  0.3+  0.6-    140110 G96  0.3+  0.1-
    060108 G96  0.2-  0.5-    060110 G96  0.1-  0.8+    140110 G96  0.2+  0.1+
    060108 G96  0.1+  0.1-    060110 G96  0.1+  0.1-    140110 G96  0.3+  0.4+
    060109 291  1.2+  0.1+    140107 G96  0.2+  0.0     140110 926  0.5-  0.4-
    060109 291  0.7+  0.3+    140107 G96  0.1-  0.3-    140110 926  0.4+  0.2-
    060109 291  1.3-  0.5+    140107 G96  0.1-  0.2+
    
    Ephemeris:
    2006 AL4                 a,e,i = 2.52, 0.59, 3                   q = 1.0295
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 12 11    04 52 54.5 +16 13 28   0.2273  1.2102   171.9     6.6    22.5
    ...
    2013 12 26    05 02 53.7 +18 39 28   0.1469  1.1240   161.8    15.8    21.8
    ...
    2014 01 03    05 19 25.1 +21 44 16   0.1112  1.0874   158.2    19.6    21.2
    ...
    2014 01 09    05 44 52.6 +25 32 09   0.08761 1.0651   158.0    20.2    20.7
    2014 01 10    05 50 57.9 +26 19 51   0.08399 1.0619   158.3    20.0    20.6
    2014 01 11    05 57 45.9 +27 10 32   0.08049 1.0588   158.7    19.7    20.4
    ...
    2014 01 17    06 59 14.5 +33 04 26   0.06236 1.0434   162.7    16.3    19.7
    ...
    2014 01 25    09 36 39.6 +37 05 46   0.05113 1.0316   156.6    22.3    19.5
    ...
    2014 02 09    13 06 49.8 +18 47 51   0.07967 1.0375   128.0    48.5    21.2
    
    A. U. Tomatic                (C) Copyright 2014 MPC           M.P.E.C. 2014-A65
    

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