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  • MPEC 2008-S50 : 2008 SQ1

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    M.P.E.C. 2008-S50                                Issued 2008 Sept. 25, 04:38 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
    
                                       2008 SQ1
    
                               Revision to MPEC 2008-S39
    
    Additional Observations:
         K08S01Q  C2004 02 13.29760 09 33 28.75 +03 10 37.5          19.4 R ES050699
         K08S01Q  C2004 02 13.31133 09 33 27.86 +03 10 43.5                 ES050699
         K08S01Q  C2004 02 13.34260 09 33 25.52 +03 10 50.3                 ES050699
         K08S01Q  C2004 02 13.35646 09 33 24.70 +03 10 54.9                 ES050699
         K08S01Q  C2004 02 17.32330 09 29 09.06 +03 30 14.7          20.6 V ES050691
         K08S01Q  C2004 02 17.38314 09 29 05.18 +03 30 32.6          20.5 V ES050691
         K08S01Q  C2004 02 17.41174 09 29 03.33 +03 30 40.9          20.7 V ES050691
    
    Observer details:
    691 Steward Observatory, Kitt Peak.  Observer A. E. Gleason.  0.9-m Spacewatch
        telescope.
    699 Lowell Observatory-LONEOS.  Observer M. E. Van Ness.  0.59-m LONEOS
        Schmidt + CCD.
    
    Orbital elements:
    2008 SQ1                                                 Earth MOID = 0.2558 AU
    Id. M. E. Sansaturio (2004 observations)
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M   0.15287              (2000.0)            P               Q
    n   0.19364047     Peri.  150.98000     +0.48221017     -0.86825137
    a   2.9589568      Node   269.97323     +0.77957158     +0.48604006
    e   0.5823604      Incl.    6.70021     +0.39967676     +0.09952199
    P   5.09           H   18.1           G   0.15           U   3
    Residuals in seconds of arc
    040213 699  0.1-  1.1-    080923 H55  0.2-  0.1+    080923 B09  0.1-  0.3-
    040213 699  1.0+  1.1+    080923 H55  0.2-  0.1+    080923 J65  0.0   0.3+
    040213 699  1.2-  0.9-    080923 854  0.3+  0.4+    080923 J65  0.0   0.1-
    040213 699  1.1+  0.2-    080923 854  0.2+  0.3+    080923 J65  0.4-  0.1-
    040217 691  0.0   0.2+    080923 673  0.1-  0.0     080923 J65  0.4-  0.2+
    040217 691  0.0   0.2+    080923 673  0.0   0.2+    080923 J65  0.3-  0.2+
    040217 691  0.2-  0.1-    080923 673  0.1-  0.2+    080923 J65  0.1-  0.1+
    080909 703  0.7+  0.3-    080923 673  0.2-  0.2+    080923 J65  0.2-  0.2+
    080909 703  0.2+  0.1-    080923 850  0.2-  0.2-    080923 J65  0.3-  0.4+
    080909 703  0.6-  0.2+    080923 850  0.3+  0.3-    080923 A13  0.0   0.0
    080923 703  0.2-  0.2-    080923 850  0.6+  0.4-    080923 A13  0.2-  0.1+
    080923 703  0.1+  0.3-    080923 H06  0.1-  0.6+    080924 H67  0.9-  0.5-
    080923 703  0.1-  0.4-    080923 H06  0.2-  0.3+    080924 H67  0.1+  0.3-
    080923 703  0.1-  0.3+    080923 J66  0.4-  0.1+    080924 H67  0.4-  0.5-
    080923 703  0.0   0.3+    080923 J66  0.2+  0.0     080924 H67  0.0   0.2-
    080923 703  0.1+  0.2-    080923 J66  0.0   0.1-    080924 H67  0.6+  0.2-
    080923 703  0.1+  0.1-    080923 B09  0.2+  0.1+    080924 B09  0.4+  0.2+
    080923 703  0.0   0.1+    080923 B09  0.0   0.3-    080924 B09  1.7+  0.2-
    080923 H55  0.2-  0.1+    080923 J66  0.1+  0.0
    
    Ephemeris:
    2008 SQ1                 a,e,i = 2.96, 0.58, 7                   q = 1.2358
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 09 21    00 45.94   +26 12.9    0.510    1.469   150.3    19.8    18.5
    2008 10 01    00 48.41   +28 29.2    0.442    1.413   154.3    17.9    18.0
    2008 10 11    00 50.72   +30 16.7    0.387    1.362   156.5    17.0    17.6
    2008 10 21    00 54.74   +31 24.4    0.344    1.318   156.4    17.6    17.3
    2008 10 31    01 02.72   +31 42.7    0.313    1.283   154.8    19.3    17.1
    2008 11 10    01 16.97   +31 08.6    0.292    1.256   152.5    21.4    17.0
    2008 11 20    01 38.54   +29 45.2    0.282    1.241   150.2    23.3    16.9
    2008 11 30    02 06.61   +27 41.1    0.283    1.236   148.1    25.0    17.0
    2008 12 10    02 38.97   +25 14.5    0.298    1.242   145.9    26.4    17.1
    2008 12 20    03 12.59   +22 47.8    0.325    1.260   143.3    27.8    17.4
    2008 12 30    03 45.15   +20 40.1    0.368    1.288   140.2    29.3    17.8
    2009 01 09    04 15.61   +19 01.5    0.425    1.325   136.6    30.6    18.2
    2009 01 19    04 43.72   +17 51.9    0.496    1.370   132.8    31.8    18.6
    2009 01 29    05 09.76   +17 05.6    0.580    1.421   128.6    32.8    19.1
    2009 02 08    05 34.22   +16 35.3    0.678    1.479   124.3    33.5    19.5
    2009 02 18    05 57.42   +16 13.7    0.788    1.540   119.8    33.8    19.9
    2009 02 28    06 19.67   +15 55.5    0.911    1.605   115.1    34.0    20.3
    2009 03 10    06 41.19   +15 36.2    1.044    1.673   110.4    33.8    20.7
    2009 03 20    07 02.08   +15 13.3    1.187    1.742   105.6    33.4    21.1
    2009 03 30    07 22.41   +14 44.9    1.339    1.813   100.7    32.8    21.4
    2009 04 09    07 42.25   +14 10.1    1.499    1.884    95.7    31.9    21.7
    2009 04 19    08 01.59   +13 28.5    1.665    1.956    90.8    30.9    22.0
    
    Gareth V. Williams           (C) Copyright 2008 MPC           M.P.E.C. 2008-S50
    

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