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  • MPEC 2012-H03 : 2008 UG7

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    M.P.E.C. 2012-H03                                Issued 2012 Apr. 16, 10:58 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
    
                                       2008 UG7
    
                               Revision to MPEC 2008-U74
    
    Additional Observations:
         K08U07G  C2012 04 15.36421 14 38 36.85 -12 46 48.4          19.3 VrEH003703
         K08U07G  C2012 04 15.36935 14 38 36.34 -12 46 06.9          19.9 VrEH003703
         K08U07G  C2012 04 15.37448 14 38 35.77 -12 45 25.9          19.5 VrEH003703
         K08U07G  C2012 04 15.40626 14 38 32.46 -12 41 09.8          19.5 VrEH003703
         K08U07G  C2012 04 15.41128 14 38 31.88 -12 40 28.4          19.0 VrEH003703
         K08U07G  C2012 04 15.41630 14 38 31.30 -12 39 48.3          19.5 VrEH003703
         K08U07G  C2012 04 15.42135 14 38 30.87 -12 39 07.9          19.8 VrEH003703
         K08U07G KC2012 04 16.04315 14 37 32.68 -11 15 10.7                uEH003J95
         K08U07G KC2012 04 16.04992 14 37 31.95 -11 14 15.8                uEH003J95
         K08U07G KC2012 04 16.05664 14 37 31.25 -11 13 20.6          18.9 RuEH003J95
         K08U07G  C2012 04 16.27621 14 37 11.15 -10 43 14.4          19.6 RcEH003854
         K08U07G  C2012 04 16.27933 14 37 10.71 -10 42 48.5          19.6 RcEH003854
         K08U07G |C2012 04 16.30056 14 37 07.21 -10 39 23.2          20.7 VoEH003807
         K08U07G |C2012 04 16.30488 14 37 06.76 -10 38 47.7          20.5 VoEH003807
         K08U07G  C2012 04 16.30696 14 37 07.55 -10 39 00.7          20.0 VrEH003703
         K08U07G |C2012 04 16.30919 14 37 06.30 -10 38 12.3          20.4 VoEH003807
         K08U07G |C2012 04 16.31350 14 37 05.84 -10 37 36.8          20.6 VoEH003807
         K08U07G  C2012 04 16.31704 14 37 06.64 -10 37 40.0          19.7 VrEH003703
         K08U07G  C2012 04 16.32213 14 37 06.13 -10 36 58.2          18.9 VrEH003703
    
    Observer details:
    703 Catalina Sky Survey.  Observer A. D. Grauer.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
        A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
        0.68-m Schmidt + CCD.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + 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
    120415 703   10-    4-    120416 703   10-    4-    MPO147557   +5.0 day
    
    Orbital elements:
    2008 UG7                                                 Earth MOID = 0.1643 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 226.62823              (2000.0)            P               Q
    n   0.72464549     Peri.  120.54710     +0.75685194     +0.57506035
    a   1.2275871      Node   208.36776     -0.52851284     +0.81807691
    e   0.0947346      Incl.   40.82457     +0.38451179     -0.00746764
    P   1.36           H   21.2           G   0.15           U   4
    Residuals in seconds of arc
    081027 G96  0.1-  0.2-    081027 300  0.1-  0.3+    120415 703  1.0-  0.3+
    081027 G96  0.2-  0.0     081027 300  0.4-  0.5+    120415 703  0.4+  0.0
    081027 G96  0.2+  0.0     081029 H55  0.1+  0.0     120416 J95  0.2+  0.1+
    081027 G96  0.2-  0.2-    081029 H55  0.2-  0.3+    120416 J95  0.1-  0.3-
    081027 G96  0.0   0.1-    081029 H55  0.8-  0.3-    120416 J95  0.1-  0.0
    081027 G96  0.2-  0.1-    081029 H55  0.1+  0.4+    120416 854  1.1+  0.6+
    081027 G96  0.0   0.1-    081029 H55  0.0   0.2-    120416 854  0.5-  0.9+
    081027 854  1.3+  0.1+    081104 E12  0.2+  0.1-    120416 807  0.2-  0.0
    081027 854  0.1-  1.0-    081104 E12  0.3+  0.1-    120416 807  0.0   0.1-
    081027 854  0.0   0.2+    120415 703  0.3+  0.3-    120416 703 (3.5-  2.1+)
    081027 300  0.2-  0.4+    120415 703  0.7+  0.1-    120416 807  0.0   0.1-
    081027 300  0.1+  0.6+    120415 703  0.3+  0.4-    120416 807  0.0   0.1-
    081027 300  0.3+  0.4-    120415 703  0.6+  0.3-    120416 703  0.9-  0.0
    081027 300  0.1-  0.0     120415 703  0.2-  0.7+    120416 703  0.4-  0.0
    
    Ephemeris:
    2008 UG7                 a,e,i = 1.23, 0.09, 41                  q = 1.1113
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 17    14 55 45.7 -48 52 20   0.5251  1.3099   115.5    43.3    22.1
    ...
    2012 04 01    14 54 55.2 -37 14 38   0.3756  1.2939   135.4    32.8    21.0
    ...
    2012 04 09    14 47 29.6 -25 35 37   0.3134  1.2844   150.9    22.3    20.3
    ...
    2012 04 15    14 39 11.0 -13 35 06   0.2827  1.2769   163.5    12.9    19.7
    2012 04 16    14 37 36.8 -11 20 42   0.2794  1.2756   165.1    11.6    19.7
    2012 04 17    14 36 00.1 -09 03 14   0.2766  1.2743   166.4    10.7    19.6
    ...
    2012 04 23    14 25 39.3 +05 10 40   0.2721  1.2664   161.4    14.6    19.7
    ...
    2012 05 01    14 11 23.2 +22 24 02   0.2971  1.2554   142.1    29.5    20.3
    ...
    2012 05 16    13 49 41.3 +41 58 07   0.4029  1.2339   114.5    48.2    21.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H03
    

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    MPEC number:

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