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  • MPEC 2020-O163 : 2011 SF3

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    M.P.E.C. 2020-O163                                Issued 2020 July 29, 18:14 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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
    
                                    2011 SF3                                 
    
    
                                Revision to MPEC 2011-S6                            
    
    Additional Observations:
         K11S03F  C2020 05 20.59230920 36 17.344-03 47 10.72         23.54GVEO163F51
         K11S03F  C2020 05 20.60211020 36 18.377-03 47 02.99         22.39GVEO163F51
         K11S03F  C2020 06 17.51311721 30 29.689+03 09 09.79         21.66GVEO163F52
         K11S03F  C2020 06 17.52637321 30 31.330+03 09 22.96         21.81GVEO163F52
         K11S03F  C2020 06 17.53961021 30 32.976+03 09 36.62         22.01GVEO163F52
         K11S03F  C2020 06 17.55286321 30 34.671+03 09 49.97         22.62GVEO163F52
         K11S03F  C2020 06 22.53253421 41 39.675+04 35 20.60         22.21GVEO163F52
         K11S03F  C2020 06 22.55489721 41 42.602+04 35 44.27         21.43GVEO163F52
         K11S03F  C2020 06 27.46555821 53 22.895+06 03 08.14         22.11GVEO163F51
         K11S03F  C2020 06 27.46685021 53 23.074+06 03 09.70         22.04GVEO163F51
         K11S03F  C2020 06 27.47771521 53 24.651+06 03 21.76         21.85GVEO163F51
         K11S03F  C2020 06 27.47901621 53 24.828+06 03 22.93         21.52GVEO163F51
         K11S03F  C2020 06 27.48983021 53 26.386+06 03 34.65         21.48GVEO163F51
         K11S03F  C2020 06 27.49111321 53 26.527+06 03 36.02         21.46GVEO163F51
         K11S03F  C2020 06 27.50189721 53 28.093+06 03 47.89         21.88GVEO163F51
         K11S03F  C2020 06 27.50318821 53 28.286+06 03 49.33         21.74GVEO163F51
         K11S03F  C2020 06 29.45544921 58 21.681+06 39 22.22         22.17GVEO163F51
         K11S03F  C2020 07 01.52288022 03 42.424+07 17 29.94         21.29GVEO163F51
         K11S03F  C2020 07 02.55335022 06 26.728+07 36 40.25         21.47GVEO163F52
         K11S03F  C2020 07 02.56529922 06 28.571+07 36 53.79         21.38GVEO163F52
         K11S03F  C2020 07 02.57726322 06 30.407+07 37 07.12         21.19GVEO163F52
         K11S03F  C2020 07 02.58925722 06 32.254+07 37 20.33         21.58GVEO163F52
         K11S03F  C2020 07 17.50232422 53 26.596+12 23 25.62         21.13GVEO163F52
         K11S03F  C2020 07 29.38873 23 44 54.50 +16 00 35.9          20.5 GVEO163G96
         K11S03F  C2020 07 29.39389 23 44 56.00 +16 00 41.0          20.5 GVEO163G96
         K11S03F  C2020 07 29.39905 23 44 57.52 +16 00 46.3          20.6 GVEO163G96
         K11S03F  C2020 07 29.45006 23 45 12.46 +16 01 36.7          20.7 GVEO163I52
         K11S03F  C2020 07 29.45258 23 45 13.19 +16 01 38.9          20.7 GVEO163I52
         K11S03F  C2020 07 29.45510 23 45 13.93 +16 01 41.8          20.8 GVEO163I52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  Measurers E. J. Christensen,
        G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
        Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
        Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
        Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
        reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    200520 F51 0.08+ 0.01+    200729 I52 0.29+ 0.03+    MPO218110   +0.10 days
    
    Orbital elements:
    2011 SF3                                                 Earth MOID = 0.1006 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 336.75174              (2000.0)            P               Q
    n   0.21974361     Peri.  198.50720     +0.99400616     -0.10266172
    a   2.7197264      Node   167.20979     +0.10870681     +0.96463713
    e   0.5974180      Incl.    9.77360     -0.01160059     +0.24276691
    P   4.49           H   20.8           G   0.15           U   0
    Residuals in seconds of arc
    110914 F51  0.0   0.1-    110921 807  0.0   0.3-    111113 807  0.2+  0.2-
    110914 F51  0.1+  0.1+    110921 807  0.1-  0.1+    111118 E12  0.5+  0.2-
    110917 E12  0.0   0.3+    110924 807  0.2+  0.2+    111125 F51  0.3-  0.2-
    110917 E12  0.2+  0.2+    110924 807  0.2+  0.3+    111125 F51  0.0   0.2+
    110917 E12  0.3-  0.1-    110924 807  0.2+  0.3+    111125 F51  0.2-  0.0
    110917 E12  0.2+  0.2-    110924 807  0.2+  0.2+    111217 807  0.6-  0.2-
    110917 E12  0.2-  0.0     110924 807  0.2+  0.3+    111217 807  0.4-  0.2-
    110917 J95  0.4-  0.0     110924 821  1.3-  1.3+    111217 807  0.4-  0.2+
    110917 J95  0.4+  0.6-    110924 821  0.8-  0.9+    200520 F51  0.3-  0.0
    110917 C75  0.1-  0.0     110924 821  1.2-  0.8+    200520 F51  0.3-  0.1+
    110917 J95  0.3-  0.3-    110924 821  1.0-  1.1+    200617 F52  0.3+  0.1+
    110917 C75  0.0   0.0     110926 E12  0.0   0.1-    200617 F52  0.0   0.1-
    110918 I19  0.2+  0.1-    110926 E12  0.0   0.2-    200617 F52  0.2-  0.1+
    110918 I19  0.0   0.1-    110928 821  0.0   0.0     200617 F52  0.3+  0.1+
    110918 I19  0.2+  0.1-    110928 821  0.1+  0.0     200622 F52  0.4+  0.2-
    110918 291  0.2+  0.3+    110928 821  0.0   0.0     200622 F52  0.2-  0.0
    110918 291  0.2+  0.3+    110928 821  0.1+  0.2-    200627 F51  0.1+  0.2-
    110918 291  0.0   0.2-    111005 807  0.2+  0.0     200627 F51  0.0   0.0
    110918 G96  0.0   0.1-    111005 807  0.2+  0.1-    200627 F51  0.3+  0.2+
    110918 G96  0.2-  0.0     111005 807  0.6+  0.2-    200627 F51  0.1+  0.1-
    110918 G96  0.3-  0.0     111014 D90  0.3+  0.1-    200627 F51  0.3+  0.1-
    110918 G96  0.2+  0.2-    111014 D90  0.2-  0.0     200627 F51  0.4-  0.2-
    110918 E12  0.2-  0.2+    111014 D90  0.1+  0.3-    200627 F51  0.0   0.1-
    110918 E12  0.0   0.1+    111016 I19  0.2+  0.5+    200627 F51  0.1+  0.0
    110918 E12  0.2+  0.2+    111016 I19  0.2+  0.1+    200629 F51  0.0   0.0
    110918 E12  0.1-  0.0     111016 I19  0.0   0.4+    200701 F51  0.2-  0.1+
    110918 D90  0.0   0.2-    111018 807  0.3-  0.2+    200702 F52  0.3+  0.0
    110918 D90  0.0   0.3-    111018 807  0.2-  0.2+    200702 F52  0.2+  0.1+
    110918 D90  0.2+  0.0     111018 807  0.2-  0.0     200702 F52  0.1-  0.1+
    110918 J95  0.2+  0.2-    111020 807  0.0   0.2-    200702 F52  0.3-  0.2-
    110918 J95  0.1-  0.0     111020 807  0.2+  0.1-    200717 F52  0.0   0.1+
    110918 J95  0.2+  0.2-    111020 807  0.1+  0.1-    200729 G96  0.2+  0.0
    110920 807  0.1-  0.0     111028 E12  0.0   0.1-    200729 G96  0.0   0.1-
    110920 807  0.0   0.0     111105 807  0.2+  0.1-    200729 G96  0.1+  0.1+
    110920 807  0.4+  0.4+    111105 807  0.1+  0.0     200729 I52  0.2-  0.1-
    110920 E12  0.1+  0.1-    111105 807  0.2+  0.1+    200729 I52  0.3-  0.4-
    110920 E12  0.1+  0.2+    111105 807  0.1+  0.1-    200729 I52  0.3-  0.0
    110921 807  0.0   0.1-    111113 807  0.4+  0.2+
    
    Ephemeris:
    2011 SF3                 a,e,i = 2.72, 0.60, 10                  q = 1.0949
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 06 29    21 57 11.7 +06 31 05   0.6131  1.4377   121.8    36.9    22.0
    ...
    2020 07 14    22 40 59.1 +11 15 38   0.4679  1.3333   123.5    39.5    21.3
    ...
    2020 07 22    23 11 04.4 +13 49 15   0.4034  1.2821   123.2    41.6    21.0
    ...
    2020 07 28    23 38 01.7 +15 37 25   0.3617  1.2464   122.2    43.6    20.8
    2020 07 29    23 42 56.9 +15 54 16   0.3553  1.2407   122.0    44.0    20.7
    2020 07 30    23 47 59.9 +16 10 41   0.3492  1.2351   121.7    44.4    20.7
    ...
    2020 08 05    00 21 07.1 +17 36 44   0.3160  1.2031   119.8    47.0    20.5
    ...
    2020 08 13    01 12 36.2 +18 40 50   0.2830  1.1658   116.1    51.3    20.3
    ...
    2020 08 28    03 00 17.6 +16 42 07   0.2589  1.1154   107.4    59.8    20.2
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-O163
    


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