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  • MPEC 2023-R104 : 2007 SG11

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    M.P.E.C. 2023-R104                           Issued 2023 September 10, 14:07 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  They are published
        on behalf of Division F 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
    
                                    2007 SG11                                
    
    
                               Revision to MPEC 2007-S49                            
    
    Additional Observations:
         K07S11G  C2023 09 07.25997817 28 01.429+16 29 34.58         20.77wXER104F52
         K07S11G  C2023 09 07.27210117 28 05.456+16 28 24.06         20.63wXER104F52
         K07S11G  C2023 09 07.28420817 28 09.458+16 27 13.50         20.61wXER104F52
         K07S11G  C2023 09 07.29636617 28 13.530+16 26 02.80         20.69wXER104F52
         K07S11G 1C2023 09 08.20530117 33 37.709+14 58 53.73               LER104658
         K07S11G 1C2023 09 08.20684017 33 38.229+14 58 44.72               LER104658
         K07S11G 1C2023 09 08.20838017 33 38.763+14 58 36.31               LER104658
         K07S11G 1C2023 09 08.20990717 33 39.283+14 58 27.44               LER104658
         K07S11G 1C2023 09 08.21144717 33 39.801+14 58 18.82               LER104658
    
    Observer details:
    658 National Research Council of Canada.  Observers D. D. Balam, C. E. Spratt.
        Measurers D. D. Balam, D. W. E. Green.  1.82-m Reflector + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Bulger, J.
        Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
        Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk.  1.8-m Ritchey-
        Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230907 F52 1.49- 2.31-    230908 658 1.49- 2.19-    MPO128953   -0.53 days
    
    Orbital elements:
    2007 SG11                                                Earth MOID = 0.0266 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 155.39648              (2000.0)            P               Q                  
    n   1.29157153     Peri.  345.94558     -0.99953451     -0.01252549             
    a   0.8350717      Node   193.42968     +0.02001384     -0.95741391             
    e   0.2489178      Incl.    6.87928     -0.02302630     -0.28844706             
    P   0.76           H   22.68          G   0.15           U   0                  
    Residuals in seconds of arc
    070924 704  0.7+  0.1+    070930 473  0.0   0.2+    071004 240  0.4-  0.3-
    070924 704  0.7+  0.1-    070930 170  0.1+  0.3+    071004 240  0.4-  0.2-
    070924 704  0.7+  0.2+    070930 170  0.3+  0.3+    071004 240  0.3-  0.1+
    070924 704  0.6+  0.1-    070930 473  0.1+  0.2+    071004 240  0.2-  0.3+
    070925 J95  0.1+  0.1-    071001 G72  0.1-  0.3+    071004 240  0.4-  0.5+
    070925 J95  0.1+  0.3-    071001 G72  0.3+  0.0     071004 240  0.1+  0.1+
    070925 J95  0.4-  0.3-    071001 G72  0.5-  0.1+    071004 240  0.4+  0.4+
    070925 J95  0.2-  0.3-    071001 G72  0.1-  0.1+    071004 240  0.1+  0.3+
    070925 673  0.0   0.0     071001 G72  0.2-  0.2-    071004 J65  0.0   0.0
    070925 673  0.0   0.1-    071001 G72  0.2-  0.3+    071004 J65  0.3-  0.2-
    070925 673  0.0   0.2+    071001 151  0.1+  0.0     071004 A24 (1.0+  1.6+)
    070925 673  0.0   0.1+    071001 151  0.0   0.0     071005 127  0.5+  0.4-
    070925 H36  0.2-  0.2-    071001 151  0.2+  0.0     071005 127  0.5-  1.0-
    070925 H36  0.1+  0.3-    071001 151  0.1-  0.2+    071005 176  0.3+  0.2+
    070925 H36  0.2+  0.5-    071001 151  0.5-  0.0     071005 176  0.0   0.2+
    070925 H36  0.7-  0.3-    071001 151  0.2-  0.0     071005 176  0.1-  0.2+
    070925 H36  0.1-  0.9-    071001 151  0.2+  0.1+    071005 176  0.1-  0.2+
    070925 G96  0.1-  0.3-    071001 151  0.2+  0.0     071005 176  0.3-  0.3+
    070925 G96  0.2-  0.1-    071001 151  0.2+  0.2+    071007 703  0.3+  0.5+
    070925 G96  0.1-  0.2-    071001 151  0.2+  0.2+    071007 703  0.1+  1.1+
    070925 G96  0.3-  0.2-    071001 151  0.1+  0.2+    071007 703  0.7-  0.2+
    070926 673  0.3+  0.3-    071001 151  0.1+  0.3-    071007 703  0.2+  0.3+
    070926 673  0.0   0.2-    071001 151  0.1-  0.1-    071007 246  0.4+  0.3+
    070926 673  0.4+  0.1-    071001 151  0.3-  0.2+    071007 246  0.0   0.3+
    070926 673  0.2-  0.2+    071001 A48  0.0   0.0     071007 246  0.1+  0.1+
    070927 H51 (0.7+  1.3+)   071001 A48  0.1-  0.3+    071007 246  0.3+  0.3+
    070927 H51 (1.2+  0.8+)   071001 A48  0.1-  0.1-    071007 246  0.1+  0.2+
    070927 H51  0.7+  0.2+    071001 A48  0.2-  0.1+    071007 246  0.5+  0.4+
    070928 H55  0.0   0.1+    071001 118  0.1+  0.2+    071008 704  0.2-  0.3+
    070928 H55  0.2-  0.2-    071001 118  0.1+  0.1+    071008 704  0.0   0.5+
    070928 H55  0.1+  0.1+    071001 118  0.1+  0.1+    071008 704  0.1-  0.3+
    070928 H51 (3.4-  3.6-)   071001 118  0.2+  0.1+    071008 704  0.4-  0.4+
    070928 H51 (2.8-  3.4-)   071001 118  0.1-  0.1+    071008 704  0.2-  0.2+
    070928 H51  0.3+  0.3+    071002 G72  0.1-  0.5+    071008 A78  1.0-  2.1-
    070928 A48  0.2-  0.6+    071002 G72  0.4-  0.0     071008 A78  0.7-  1.4-
    070928 A48  0.3-  0.3+    071002 G72  0.0   0.2+    071008 A78  0.4-  1.5-
    070928 A48  0.5-  0.4+    071002 G72  0.2+  0.3+    071008 A78  0.6-  1.3-
    070928 A48  0.2+  0.3+    071002 G72  0.5-  0.2+    071008 A78  0.6-  1.8-
    070929 170  0.6-  0.2-    071002 G72  0.2-  0.2-    071008 046  0.4+  0.1-
    070929 170  0.4-  0.0     071002 A81  0.1+  0.1-    071008 046  0.6+  0.6+
    070929 170  0.2+  0.3+    071002 A81  0.0   0.2-    071008 046  0.5+  0.1-
    070930 G72  0.3+  0.0     071002 A81  0.1-  0.2-    071008 046  0.3+  0.1+
    070930 G72  0.1+  0.1-    071002 A81  0.2+  0.1-    071008 046  0.1-  0.5-
    070930 G72  0.2+  0.1-    071002 A81  0.4+  0.0     071008 046  0.2+  0.1+
    070930 G72  0.2+  0.5-    071002 A53  0.6+  0.7+    071009 704  0.0   0.0
    070930 G72  0.1-  0.2+    071002 A53  0.3-  0.9+    071009 704  0.1+  0.1+
    070930 G72  1.1+  0.7+    071002 A53  0.2+  0.5+    071009 704  0.2+  0.3-
    070930 639  0.6-  0.2-    071002 A53  0.1-  0.9+    071009 704  0.2+  0.0
    070930 639  0.8-  0.9-    071002 A53  0.1-  0.6+    071009 704  0.4-  0.0
    070930 639  0.3-  0.5-    071003 850  0.1-  0.4-    071010 704  0.0   0.2-
    070930 639  0.6-  0.1+    071003 850  0.0   0.1-    071010 704  0.1-  0.1-
    070930 A81  0.0   0.4-    071003 850  0.0   0.2+    071010 704  0.1+  0.4+
    070930 639  0.4-  0.2-    071003 204  0.1+  0.1-    071013 952  0.1-  0.5+
    070930 A81  0.2+  0.1-    071003 204  0.1-  0.0     071013 952  0.2+  0.2-
    070930 639  0.3+  0.6-    071003 204  0.1-  0.1-    071013 952  0.1+  0.3-
    070930 639  0.5-  0.5-    071003 204  0.0   0.3-    071013 952  0.8+  0.4-
    070930 639  0.4-  0.5-    071003 204  0.0   0.0     230907 F52  0.1+  0.1+
    070930 A81  0.1+  0.1-    071003 D21  0.4+  0.0     230907 F52  0.3+  0.0
    070930 A81  0.1+  0.1-    071003 D21  0.1+  0.3-    230907 F52  0.0   0.0
    070930 560  0.3-  0.3-    071003 D21  0.2-  0.4-    230907 F52  0.2+  0.1+
    070930 560  0.2-  0.3-    071003 J65  0.1+  0.3+    230908 658  1.6-  0.1-
    070930 560  0.0   0.2-    071003 J65  0.4+  0.8+    230908 658  1.5-  0.3-
    070930 560  0.2-  0.1+    071004 240  0.3-  0.2-    230908 658  1.1-  0.1+
    070930 A81  0.0   0.3-    071004 240  0.3-  0.1+    230908 658  0.9-  0.0
    070930 473  0.1+  0.3+    071004 240  0.3-  0.0     230908 658  0.8-  0.2+
    070930 170  0.0   0.0     071004 240  0.4-  0.2-
    070930 170  0.0   0.2+    071004 240  0.5-  0.5-
    
    Ephemeris:
    2007 SG11                a,e,i = 0.84, 0.25, 7                   q = 0.6272
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 11    13 15 05.0 +48 49 26   0.1254  0.9529    57.8   115.8    22.6
    ...
    2023 08 26    15 54 48.2 +36 10 24   0.1029  0.9968    79.3    94.9    21.1
    ...
    2023 09 03    17 00 15.6 +23 28 22   0.1037  1.0145    90.1    84.0    20.7
    ...
    2023 09 09    17 38 14.1 +13 45 15   0.1102  1.0250    96.1    77.8    20.7
    2023 09 10    17 43 49.0 +12 13 13   0.1117  1.0265    96.8    77.0    20.7
    2023 09 11    17 49 13.0 +10 43 15   0.1133  1.0280    97.5    76.2    20.7
    ...
    2023 09 17    18 18 19.2 +02 33 19   0.1252  1.0353   100.4    72.8    20.8
    ...
    2023 09 25    18 50 33.3 -06 00 31   0.1451  1.0413   101.3    70.9    21.1
    ...
    2023 10 10    19 39 00.0 -16 20 39   0.1883  1.0408    97.7    72.0    21.7
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-R104
    


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