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  • MPEC 2009-S120: 2009 ST104

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    M.P.E.C. 2009-S120                               Issued 2009 Sept. 27, 13:20 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                      2009 ST104
    
    Observations:
         K09SA4T* C2009 09 26.37464 00 24 49.37 -04 38 21.5          21.2 V ES120G96
         K09SA4T  C2009 09 26.38091 00 24 50.91 -04 38 59.0          21.3 V ES120G96
         K09SA4T  C2009 09 26.38714 00 24 52.45 -04 39 36.0          21.0 V ES120G96
         K09SA4T  C2009 09 26.39332 00 24 53.97 -04 40 13.1                 ES120G96
         K09SA4T  C2009 09 26.48545 00 25 17.59 -04 49 26.9          21.8 V ES120G96
         K09SA4T  C2009 09 26.49359 00 25 19.77 -04 50 15.1          20.9 V ES120G96
         K09SA4T  C2009 09 26.49433 00 25 19.94 -04 50 19.9          21.5 V ES120G96
         K09SA4T  C2009 09 27.32173 00 29 31.95 -06 19 40.6          21.1 V ES120G96
         K09SA4T  C2009 09 27.32339 00 29 32.46 -06 19 52.3          20.6 V ES120G96
         K09SA4T  C2009 09 27.32507 00 29 32.92 -06 20 03.5          20.8 V ES120G96
         K09SA4T  C2009 09 27.32673 00 29 33.39 -06 20 15.2          20.7 V ES120G96
         K09SA4T  C2009 09 27.35590 00 29 41.74 -06 23 36.0          20.5 V ES120G96
         K09SA4T  C2009 09 27.35847 00 29 42.50 -06 23 54.7          21.1 V ES120G96
         K09SA4T  C2009 09 27.36097 00 29 43.26 -06 24 11.4          20.5 V ES120G96
         K09SA4T  C2009 09 27.36348 00 29 43.98 -06 24 28.8          21.1 V ES120G96
         K09SA4T  C2009 09 27.37553 00 29 47.18 -06 25 53.7          19.9 R ES120H01
         K09SA4T  C2009 09 27.38226 00 29 49.16 -06 26 40.4          20.1 R ES120H01
         K09SA4T  C2009 09 27.38841 00 29 50.97 -06 27 22.7          20.2 R ES120H01
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers A. R. Gibbs, A. Boattini.  Measurers
        E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
        R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector
        + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    
    Orbital elements:
    2009 ST104                                               Earth MOID = 0.0420 AU
    Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
    M 305.07035              (2000.0)            P               Q
    n   0.35893896     Peri.  253.81996     +0.29109691     -0.95669165
    a   1.9609009      Node   179.24832     +0.92405619     +0.28064702
    e   0.5718769      Incl.    8.39762     +0.24775541     +0.07731969
    P   2.75           H   25.3           G   0.15           U   8
    Residuals in seconds of arc
    090926 G96  0.1+  0.0     090926 G96  0.1-  0.2+    090927 G96  0.2-  0.6-
    090926 G96  0.0   0.1-    090927 G96  0.2-  0.1+    090927 G96  0.4+  0.1-
    090926 G96  0.0   0.1+    090927 G96  0.4+  0.1-    090927 G96  0.3+  0.1-
    090926 G96  0.2-  0.1-    090927 G96  0.1+  0.2+    090927 H01  0.2-  0.1+
    090926 G96  0.1+  0.5-    090927 G96  0.0   0.0     090927 H01  0.1-  0.0
    090926 G96  0.3+  0.5+    090927 G96  0.5-  0.3+    090927 H01  0.0   0.3+
    
    Ephemeris:
    2009 ST104               a,e,i = 1.96, 0.57, 8                   q = 0.8395
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 09 26    00 23.18   -04 01.1    0.102    1.104   174.0     5.5    21.0
    2009 09 27    00 27.86   -05 42.6    0.0945   1.096   172.0     7.3    20.9
    2009 09 28    00 33.36   -07 40.6    0.0873   1.088   169.6     9.5    20.8
    2009 09 29    00 39.89   -09 58.6    0.0803   1.080   166.9    12.2    20.7
    2009 09 30    00 47.74   -12 41.1    0.0736   1.072   163.6    15.3    20.6
    2009 10 01    00 57.34   -15 53.6    0.0672   1.064   159.7    19.0    20.5
    2009 10 02    01 09.29   -19 42.0    0.0612   1.057   155.1    23.5    20.5
    2009 10 03    01 24.45   -24 12.1    0.0557   1.049   149.5    28.9    20.4
    2009 10 04    01 44.10   -29 27.4    0.0510   1.041   142.9    35.4    20.4
    2009 10 05    02 10.10   -35 24.1    0.0471   1.034   135.1    43.1    20.4
    2009 10 06    02 45.01   -41 43.4    0.0443   1.026   126.1    51.9    20.5
    2009 10 07    03 31.63   -47 44.1    0.0428   1.019   116.2    61.7    20.7
    2009 10 08    04 30.96   -52 24.9    0.0427   1.012   106.0    71.7    21.0
    2009 10 09    05 38.42   -54 50.3    0.0440   1.005    96.1    81.4    21.4
    2009 10 10    06 43.69   -54 50.7    0.0467   0.997    87.2    90.1    21.8
    2009 10 11    07 38.20   -53 06.6    0.0504   0.990    79.5    97.6    22.3
    
    Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-S120
    

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