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  • MPEC 2009-S141: 2009 SS172

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    M.P.E.C. 2009-S141                               Issued 2009 Sept. 29, 21:03 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 SS172
    
    Observations:
         K09SH2S* C2009 09 29.27435 00 50 16.87 +20 27 17.3          20.1 V ES141G96
         K09SH2S  C2009 09 29.28127 00 50 15.03 +20 27 50.6          20.4 V ES141G96
         K09SH2S  C2009 09 29.28819 00 50 13.23 +20 28 24.0          20.6 V ES141G96
         K09SH2S  C2009 09 29.29513 00 50 11.36 +20 28 57.2          20.5 V ES141G96
         K09SH2S  C2009 09 29.35716 00 49 55.05 +20 33 52.4          19.8 V ES141G96
         K09SH2S  C2009 09 29.35780 00 49 54.87 +20 33 55.6          20.1 V ES141G96
         K09SH2S  C2009 09 29.35843 00 49 54.73 +20 33 58.5          20.3 V ES141G96
         K09SH2S  C2009 09 29.35905 00 49 54.55 +20 34 01.7          20.4 V ES141G96
         K09SH2S  C2009 09 29.36020 00 49 53.45 +20 33 59.3          19.3   ES141H36
         K09SH2S  C2009 09 29.36439 00 49 52.36 +20 34 18.0          20.5   ES141H36
         K09SH2S  C2009 09 29.36857 00 49 51.22 +20 34 36.8          19.8   ES141H36
         K09SH2S  C2009 09 29.51466 00 49 14.85 +20 46 03.5          20.3 V ES141G96
         K09SH2S  C2009 09 29.51530 00 49 14.73 +20 46 06.9          20.4 V ES141G96
         K09SH2S  C2009 09 29.51593 00 49 14.54 +20 46 09.6          20.3 V ES141G96
         K09SH2S 6C2009 09 29.54976 00 49 07.66 +20 49 10.6          20.1 R ES141F65
         K09SH2S 6C2009 09 29.55071 00 49 07.42 +20 49 14.9          20.4 R ES141F65
         K09SH2S 6C2009 09 29.55160 00 49 07.16 +20 49 19.3          20.3 R ES141F65
         K09SH2S 6C2009 09 29.55246 00 49 06.98 +20 49 22.9          20.5 R ES141F65
         K09SH2S  C2009 09 29.82471 00 48 08.74 +21 09 43.9                 ES141J95
         K09SH2S  C2009 09 29.83048 00 48 07.38 +21 10 10.1                 ES141J95
         K09SH2S  C2009 09 29.84083 00 48 04.82 +21 10 58.1          19.3 R ES141J95
    
    Observer details:
    F65 Haleakala-Faulkes Telescope North.  Observer R. Miles.  2.0-m f/10.0
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer 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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2009 SS172                                               Earth MOID = 0.0752 AU
    Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
    M 333.03238              (2000.0)            P               Q
    n   0.51505255     Peri.  313.11420     +0.70330497     +0.71085042
    a   1.5413515      Node     1.63500     -0.55445580     +0.55496880
    e   0.3439409      Incl.   14.89495     -0.44490548     +0.43208947
    P   1.91           H   23.5           G   0.15           U   9
    Residuals in seconds of arc
    090929 G96  0.0   0.0     090929 G96  0.1+  0.1+    090929 F65  0.1+  0.1+
    090929 G96  0.2-  0.0     090929 H36  0.5+  1.1+    090929 F65  0.1+  0.1+
    090929 G96  0.1+  0.1+    090929 H36  0.3+  0.1+    090929 F65  0.3-  0.4+
    090929 G96  0.4-  0.1-    090929 H36  0.5-  0.7-    090929 F65  0.3+  0.0
    090929 G96  0.1+  0.3-    090929 G96  0.3-  0.4-    090929 J95  0.1+  0.5+
    090929 G96  0.0   0.1-    090929 G96  0.2+  0.1+    090929 J95  0.4+  0.2-
    090929 G96  0.3+  0.2-    090929 G96  0.3-  0.1-    090929 J95  0.6-  0.3-
    
    Ephemeris:
    2009 SS172               a,e,i = 1.54, 0.34, 15                  q = 1.0112
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 09 26    01 04.40   +15 27.3    0.117    1.113   160.5    17.5    20.0
    2009 10 01    00 43.68   +22 35.5    0.140    1.133   160.2    17.4    20.4
    2009 10 06    00 27.70   +27 14.2    0.166    1.155   157.3    19.5    20.9
    2009 10 11    00 15.78   +30 11.9    0.195    1.177   154.0    21.8    21.4
    2009 10 16    00 07.32   +32 02.4    0.227    1.200   150.8    23.9    21.8
    2009 10 21    00 01.85   +33 08.5    0.260    1.224   147.7    25.7    22.2
    2009 10 26    23 58.95   +33 45.4    0.296    1.248   144.9    27.3    22.6
    
    Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-S141
    

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