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  • MPEC 2013-D45 : 2013 DR9

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    M.P.E.C. 2013-D45                                Issued 2013 Feb. 21, 11:16 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
    
                                       2013 DR9
    
    Observations:
         K13D09R* C2013 02 18.38187 10 54 14.68 +33 29 08.1          20.4 VrED045G96
         K13D09R  C2013 02 18.38715 10 54 13.96 +33 29 06.9          20.2 VrED045G96
         K13D09R  C2013 02 18.39244 10 54 13.32 +33 29 06.4          20.3 VrED045G96
         K13D09R  C2013 02 18.39772 10 54 12.63 +33 29 05.2          20.3 VrED045G96
         K13D09R KC2013 02 18.42143210 54 09.57 +33 28 58.6          20.2 VuED045H21
         K13D09R KC2013 02 18.42855510 54 08.68 +33 28 57.6                uED045H21
         K13D09R KC2013 02 18.43596610 54 07.73 +33 28 55.8          20.9 VuED045H21
         K13D09R KC2013 02 19.21129 10 52 31.24 +33 26 36.1          20.1 RoED045291
         K13D09R KC2013 02 19.21528 10 52 30.74 +33 26 35.3          20.1 RoED045291
         K13D09R KC2013 02 19.21928 10 52 30.24 +33 26 34.6          20.2 RoED045291
         K13D09R KC2013 02 19.38614 10 52 08.55 +33 26 00.4          20.5 RqED045H36
         K13D09R KC2013 02 19.39570 10 52 07.26 +33 25 58.9          19.9 RqED045H36
         K13D09R KC2013 02 19.41560 10 52 04.76 +33 25 55.3          20.5 RqED045H36
         K13D09R KC2013 02 19.95504 10 50 56.39 +33 24 02.4          20.1 VuED045I93
         K13D09R KC2013 02 19.96707 10 50 54.73 +33 23 59.3                uED045J95
         K13D09R KC2013 02 19.97042 10 50 54.39 +33 24 00.1          19.6 VuED045I93
         K13D09R KC2013 02 19.97323 10 50 53.95 +33 23 57.0                uED045J95
         K13D09R KC2013 02 19.97945 10 50 53.15 +33 23 56.3          20.3 RuED045J95
         K13D09R KC2013 02 20.25709110 50 17.28 +33 22 55.8          20.1 VrED045H21
         K13D09R KC2013 02 20.26269710 50 16.55 +33 22 54.4          20.1 VrED045H21
         K13D09R KC2013 02 20.26846710 50 15.77 +33 22 53.2          20.0 VrED045H21
         K13D09R KC2013 02 20.84454 10 49 01.36 +33 20 35.9                uED045J95
         K13D09R KC2013 02 20.85384 10 49 00.07 +33 20 34.1          19.8 RuED045J95
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov, T. Linder.  0.76-m
        f/3.0 astrograph + CCD, 0.76-m f/4.0 astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2013 DR9                                                 Earth MOID = 0.4775 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 350.97024              (2000.0)            P               Q
    n   0.10517375     Peri.  249.24272     -0.49195571     +0.86276910
    a   4.4449254      Node   348.84899     -0.38409784     -0.33533130
    e   0.7286553      Incl.   37.10004     -0.78131199     -0.37839450
    P   9.37           H   17.6           G   0.15           U   8
    Residuals in seconds of arc
    130218 G96  0.1-  0.2+    130219 291  0.1-  0.5+    130219 J95  0.0   0.6-
    130218 G96  0.7-  0.1-    130219 291  0.1+  0.5+    130219 J95  0.1+  0.0
    130218 G96  0.3-  0.3+    130219 H36  0.6+  0.7-    130220 H21  0.5-  0.8-
    130218 G96  0.5-  0.1+    130219 H36  0.1-  0.2-    130220 H21  0.3-  1.0-
    130218 H21  0.5+  0.7-    130219 H36  0.8+  0.5+    130220 H21  0.6-  0.9-
    130218 H21  0.6+  0.3-    130219 I93  0.6+  0.2+    130220 J95  0.5+  0.1-
    130218 H21  0.4+  0.7-    130219 J95  0.3-  0.4+    130220 J95  0.3-  0.2+
    130219 291  0.2-  0.5+    130219 I93  0.7+  1.1+
    
    Ephemeris:
    2013 DR9                 a,e,i = 4.44, 0.73, 37                  q = 1.2061
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 01 22    11 30 57.8 +33 02 43   1.5676  2.3677   134.9    17.1    21.4
    ...
    2013 02 06    11 15 56.5 +33 35 27   1.3402  2.2386   148.1    13.5    20.8
    ...
    2013 02 14    11 02 51.2 +33 37 26   1.2397  2.1693   153.6    11.7    20.5
    ...
    2013 02 20    10 50 50.5 +33 23 54   1.1754  2.1173   156.0    10.9    20.3
    2013 02 21    10 48 40.7 +33 20 02   1.1657  2.1086   156.2    10.9    20.2
    2013 02 22    10 46 28.6 +33 15 39   1.1562  2.0999   156.3    10.9    20.2
    ...
    2013 02 28    10 32 32.3 +32 37 30   1.1057  2.0479   155.3    11.7    20.1
    ...
    2013 03 08    10 12 49.9 +31 11 28   1.0549  1.9785   150.2    14.5    20.0
    ...
    2013 03 23    09 38 00.1 +26 38 51   1.0090  1.8493   134.5    22.6    20.0
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-D45
    

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