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  • MPEC 2009-S69 : 2009 SJ18

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    M.P.E.C. 2009-S69                                Issued 2009 Sept. 22, 09:51 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 SJ18
    
    Observations:
         K09S18J* C2009 09 21.38419 02 55 27.30 +18 53 42.3          20.4 V ES069G96
         K09S18J  C2009 09 21.39335 02 55 23.70 +18 55 13.8          20.6 V ES069G96
         K09S18J  C2009 09 21.40242 02 55 20.13 +18 56 44.9          20.4 V ES069G96
         K09S18J  C2009 09 21.41165 02 55 16.53 +18 58 16.8          20.3 V ES069G96
         K09S18J  C2009 09 21.44529 02 55 03.28 +19 03 52.4          20.6 V ES069G96
         K09S18J  C2009 09 21.44577 02 55 03.10 +19 03 56.9          20.5 V ES069G96
         K09S18J  C2009 09 21.44625 02 55 02.92 +19 04 02.1          20.6 V ES069G96
         K09S18J  C2009 09 21.44671 02 55 02.74 +19 04 06.4          20.0 V ES069G96
         K09S18J  C2009 09 21.48440 02 54 47.91 +19 10 21.1          19.9 V ES069G96
         K09S18J  C2009 09 21.48613 02 54 47.19 +19 10 38.0          19.9 V ES069G96
         K09S18J  C2009 09 21.48785 02 54 46.58 +19 10 55.2          20.0 V ES069G96
         K09S18J 6C2009 09 21.54014802 54 32.09 +19 20 08.1          21.0 R ES069F65
         K09S18J 6C2009 09 21.54156902 54 31.53 +19 20 22.1          21.3 R ES069F65
         K09S18J  C2009 09 22.05705 02 51 29.45 +20 46 11.3                 ES069J95
         K09S18J  C2009 09 22.07149 02 51 23.62 +20 48 39.1          20.4 R ES069J95
    
    Observer details:
    F65 Haleakala-Faulkes Telescope North.  Observer R. Miles.  2.0-m f/10.0
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2009 SJ18                                                Earth MOID = 0.0451 AU
    Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
    M  87.46264              (2000.0)            P               Q
    n   1.06951762     Peri.  172.92712     -0.99347103     -0.11406651
    a   0.9469871      Node     0.53594     +0.09107304     -0.80370772
    e   0.1090484      Incl.   12.57748     +0.06870967     -0.58398864
    P   0.92           H   24.5           G   0.15           U   9
    Residuals in seconds of arc
    090921 G96  0.4+  0.2+    090921 G96  0.1+  0.2-    090921 G96  0.6+  0.1+
    090921 G96  0.1+  0.0     090921 G96  0.2+  0.2+    090921 F65  0.0   0.2+
    090921 G96  0.2-  0.3+    090921 G96  0.2+  0.1-    090921 F65  0.2+  0.1-
    090921 G96  0.1+  0.0     090921 G96  0.2+  0.2+    090922 J95  0.4+  0.5+
    090921 G96  0.1-  0.1+    090921 G96  0.3-  0.0     090922 J95  0.1-  0.3-
    
    Ephemeris:
    2009 SJ18                a,e,i = 0.95, 0.11, 13                  q = 0.8437
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 09 16    03 19.24   +05 52.6    0.0776   1.050   123.3    53.2    21.0
    2009 09 21    02 57.57   +17 50.9    0.0670   1.049   130.9    46.4    20.5
    2009 09 26    02 22.14   +32 35.5    0.0613   1.048   135.9    41.7    20.2
    2009 10 01    01 25.33   +47 11.8    0.0617   1.045   134.2    43.3    20.2
    2009 10 06    00 03.35   +57 21.3    0.0681   1.042   127.0    50.0    20.6
    2009 10 11    22 32.48   +61 23.6    0.0787   1.038   118.7    57.5    21.1
    2009 10 16    21 19.95   +61 17.3    0.0917   1.034   111.4    63.9    21.6
    2009 10 21    20 32.37   +59 36.9    0.106    1.029   105.4    68.9    22.1
    2009 10 26    20 02.44   +57 42.3    0.120    1.023   100.6    72.8    22.5
    
    Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-S69
    

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