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  • MPEC 2012-D15 : 2012 DO

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    M.P.E.C. 2012-D15                                Issued 2012 Feb. 18, 21:07 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
    
                                        2012 DO
    
    Observations:
         K12D00O*QC2012 02 16.60906 08 50 50.86 -32 14 55.6          18.4 VrED015E12
         K12D00O QC2012 02 16.61801 08 50 51.72 -32 15 05.6          18.3 VrED015E12
         K12D00O QC2012 02 16.63599 08 50 53.49 -32 15 27.0          18.3 VrED015E12
         K12D00O QC2012 02 16.70283 08 51 00.24 -32 16 43.3          18.3 VrED015E12
         K12D00O QC2012 02 16.75469 08 51 05.76 -32 17 41.1          18.5 VrED015E12
         K12D00O |C2012 02 17.01944 08 51 41.30 -32 23 11.6          18.8 VoED015807
         K12D00O |C2012 02 17.02147 08 51 41.50 -32 23 14.4          18.5 VoED015807
         K12D00O |C2012 02 17.02551 08 51 41.94 -32 23 19.6          18.7 VoED015807
         K12D00O |C2012 02 17.03156 08 51 42.57 -32 23 27.5          18.8 VoED015807
         K12D00O |C2012 02 17.03559 08 51 42.99 -32 23 32.7          18.7 VoED015807
         K12D00O |C2012 02 17.03761 08 51 43.20 -32 23 35.3          18.6 VoED015807
         K12D00O KC2012 02 17.29883 08 52 09.81 -32 28 46.2          18.5 RoED015I47
         K12D00O KC2012 02 17.30384 08 52 10.35 -32 28 52.0          18.5 RoED015I47
         K12D00O KC2012 02 17.30861 08 52 10.88 -32 28 57.7          18.6 RoED015I47
         K12D00O  C2012 02 17.43983 08 52 30.59 -32 31 42.1          18.1 RvED015E10
         K12D00O  C2012 02 17.44236 08 52 30.86 -32 31 45.3          17.9 RvED015E10
         K12D00O QC2012 02 17.46232 08 52 32.94 -32 32 10.6                rED015E12
         K12D00O  C2012 02 17.55750 08 52 42.77 -32 34 07.8          18.1 RoED015E10
         K12D00O  C2012 02 17.55846 08 52 42.89 -32 34 09.0          18.2 RoED015E10
         K12D00O  C2012 02 17.55942 08 52 42.99 -32 34 10.3          18.3 RoED015E10
         K12D00O  C2012 02 17.56040 08 52 43.07 -32 34 11.5          17.9 RoED015E10
         K12D00O  C2012 02 17.56136 08 52 43.17 -32 34 12.6          18.0 RoED015E10
         K12D00O  C2012 02 17.56233 08 52 43.27 -32 34 13.5          18.1 RoED015E10
    
    Observer details:
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    E10 Siding Spring-Faulkes Telescope South.  Observers E. Guido, N. Howes,
        G. Sostero, T. Lister.  2.0-m f/10 Ritchey-Chretien + CCD, 2.0-m f/10.0
        Ritchey-Chretien + CCD.
    E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
    I47 Pierre Auger Observatory, Malargue.  Observers M. Masek, J. Ebr, M. Prouza,
        P. Kubanek, M. Jelinek.  Measurer M. Masek.  0.3-m f/10 reflector + CCD.
    
    Orbital elements:
    2012 DO                                                  Earth MOID = 0.1006 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 359.21512              (2000.0)            P               Q
    n   0.29529501     Peri.  341.24216     -0.99704565     -0.05953954
    a   2.2333938      Node   195.58460     +0.06921766     -0.97034520
    e   0.5124750      Incl.   10.40652     -0.03330001     -0.23427600
    P   3.34           H   20.1           G   0.15           U   7
    Residuals in seconds of arc
    120216 E12  0.0   0.3-    120217 807  0.1+  0.0     120217 E12  0.2-  0.1+
    120216 E12  0.1-  0.3+    120217 807  0.1+  0.0     120217 E10  0.0   0.0
    120216 E12  0.0   0.1-    120217 807  0.1+  0.1+    120217 E10  0.2+  0.0
    120216 E12  0.1+  0.1+    120217 I47  0.1+  0.2+    120217 E10  0.2+  0.2-
    120216 E12  0.1-  0.1+    120217 I47  0.0   0.0     120217 E10  0.0   0.2-
    120217 807  0.1+  0.0     120217 I47  0.2+  0.4-    120217 E10  0.0   0.2-
    120217 807  0.1-  0.1-    120217 E10  0.0   0.0     120217 E10  0.0   0.1+
    120217 807  0.1+  0.0     120217 E10  0.1+  0.0
    
    Ephemeris:
    2012 DO                  a,e,i = 2.23, 0.51, 10                  q = 1.0888
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 01 19    08 26 24.0 -20 23 30   0.3571  1.2738   138.6    30.7    19.7
    ...
    2012 02 03    08 34 05.1 -27 01 52   0.2733  1.1961   135.6    35.2    19.1
    ...
    2012 02 11    08 42 02.7 -30 13 28   0.2351  1.1615   133.6    38.0    18.8
    ...
    2012 02 17    08 51 36.7 -32 22 52   0.2087  1.1394   132.5    39.8    18.6
    2012 02 18    08 53 37.1 -32 42 54   0.2045  1.1360   132.4    40.0    18.5
    2012 02 19    08 55 46.0 -33 02 24   0.2003  1.1328   132.2    40.2    18.5
    ...
    2012 02 25    09 12 08.2 -34 46 18   0.1762  1.1156   132.1    41.2    18.2
    ...
    2012 03 04    09 46 26.1 -36 11 10   0.1472  1.0990   134.0    40.4    17.7
    ...
    2012 03 19    11 42 04.9 -31 32 16   0.1088  1.0892   147.8    29.2    16.7
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-D15
    

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