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  • MPEC 2022-S184 : 2018 SK3

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    M.P.E.C. 2022-S184                           Issued 2022 September 23, 14:09 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
    
                                    2018 SK3                                 
    
    
                               Revision to MPEC 2018-T33                            
    
    Additional Observations:
         K18S03K  C2018 09 12.32625000 42 49.22 +16 50 46.5          20.44rUES184I41
         K18S03K  C2018 09 12.32764000 42 49.05 +16 50 48.0          20.55rUES184I41
         K18S03K  C2022 08 19.52671123 57 36.225-10 06 21.24         22.76GVES184F52
         K18S03K  C2022 08 19.53823023 57 35.448-10 06 22.00         22.15GVES184F52
         K18S03K  C2022 08 29.46268523 45 07.047-10 19 22.39         22.47GVES184F51
         K18S03K  C2022 08 29.47372623 45 06.046-10 19 23.56         22.92GVES184F51
         K18S03K  C2022 08 29.48484423 45 05.091-10 19 24.45         22.01GVES184F51
         K18S03K  C2022 08 29.49601423 45 04.087-10 19 25.39         22.17GVES184F51
         K18S03K  C2022 09 03.42679323 37 36.218-10 25 56.68         21.88GVES184F52
         K18S03K  C2022 09 03.43756923 37 35.170-10 25 57.54         22.39GVES184F52
         K18S03K  C2022 09 03.44834023 37 34.100-10 25 58.14         21.69GVES184F52
         K18S03K  C2022 09 03.45911123 37 33.059-10 25 59.30         22.05GVES184F52
         K18S03K  C2022 09 15.44920723 16 38.876-10 35 52.53         21.76GVES184F51
         K18S03K  C2022 09 15.46102223 16 37.507-10 35 52.29         21.61GVES184F51
         K18S03K  C2022 09 16.41278323 14 50.898-10 36 03.22         21.57GVES184F52
         K18S03K  C2022 09 16.41618423 14 50.489-10 36 03.29         21.69GVES184F52
         K18S03K  C2022 09 18.34770423 11 12.186-10 36 03.24         21.72GVES184F52
         K18S03K  C2022 09 20.36686223 07 21.781-10 35 28.56         21.53wUES184F52
         K18S03K  C2022 09 20.37706123 07 20.568-10 35 28.44         21.87wUES184F52
         K18S03K  C2022 09 20.38731423 07 19.371-10 35 28.23         21.75wUES184F52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, 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, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
        C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
    I41 Palomar Mountain--ZTF.  Observer A. U. Tomatic.  Measurers Q.-Z. Ye, F.
        Masci.  1.2-m f/2.4 Schmidt.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180912 I41  0.2-  0.5-    220920 F52  7.1- 11.9-    E2020-T08   +0.06 days
    
    Orbital elements:
    2018 SK3                                            PHA, Earth MOID = 0.0389 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 306.54329              (2000.0)            P               Q                  
    n   0.23469901     Peri.  124.81894     -0.48770584     -0.87056218             
    a   2.6029264      Node   353.29962     +0.49827960     -0.21616242             
    e   0.7010281      Incl.   34.03443     +0.71684060     -0.44203541             
    P   4.20           H   18.87          G   0.15           U   0                  
    Residuals in seconds of arc
    180910 G96 (0.8-  0.8+)   181010 I52  0.2-  0.1-    181027 I52  0.1+  0.1-
    180910 G96  0.0   0.0     181010 I52  0.1-  0.2+    181027 I52  0.5+  0.5-
    180910 G96  0.3+  0.0     181010 G96  0.1+  0.1-    181027 I52  0.2+  0.4-
    180910 G96  0.5+  0.6+    181010 G96  0.1+  0.0     181027 I52  0.3+  0.1+
    180912 I41  0.3-  0.3+    181010 G96  0.1+  0.2-    181027 691  0.3-  0.7+
    180912 I41  0.5-  0.1+    181010 G96  0.0   0.3+    181027 691  0.4-  0.2+
    180930 703  0.5+  0.7-    181012 204  0.1+  0.1+    181027 691  0.8-  0.0
    180930 703  1.0+  0.5+    181013 204  0.2-  0.1-    181028 I52 (1.2+  0.3+)
    180930 703  0.3+  0.2-    181013 204  0.1+  0.0     181028 I52  0.1+  0.1-
    180930 L01  0.3+  0.2+    181013 118 (1.6-  0.9+)   181028 691  0.1-  0.0
    180930 L01  0.4+  0.2+    181013 118 (1.4-  0.6+)   181028 691  0.2-  0.7-
    181001 L01  0.1-  0.1-    181013 118 (1.9-  0.5+)   181028 691  0.0   0.3+
    181001 H21  0.1+  0.1+    181013 246  0.0   1.0-    181029 G96  0.3+  0.2-
    181001 H21  0.1-  0.1+    181013 246  0.3+  0.6-    181029 G96  0.1-  0.0
    181001 H21  0.2-  0.0     181013 246  0.2-  0.6+    181029 G96  0.0   0.1-
    181002 H21  0.1+  0.1-    181013 246  0.2+  0.5+    181029 G96  0.1-  0.1-
    181002 H21  0.0   0.1-    181013 246  0.6+  0.0     181029 I52  0.0   0.0
    181002 H21  0.0   0.1-    181013 246  0.3+  0.2+    181029 I52  0.6-  0.5-
    181002 118 (0.4-  1.4+)   181013 151  0.9-  0.7-    181029 I52  0.1-  0.2+
    181002 118  1.3-  0.2+    181013 151  0.7+  0.7-    181029 291  0.1-  0.3-
    181002 118  0.6-  0.7+    181013 151  0.9+  0.6-    181029 291 (1.0+  0.9-)
    181002 118  1.1-  0.0     181013 151  1.1+  0.1-    181029 291  0.1+  0.0
    181002 106  0.0   0.4-    181014 151  0.1-  0.2-    181101 I52  0.2+  0.0
    181002 106  0.3+  0.0     181014 151  0.0   0.8+    181101 I52  0.6+  0.5+
    181002 106  0.8-  0.1-    181014 151  0.3+  1.1+    181101 I52  0.3+  0.0
    181002 K88  0.2-  0.2+    181014 151  0.7+  1.8+    181105 C51  0.0   0.3-
    181002 K88  0.3+  0.7+    181014 151  0.4+  1.1+    181106 C51  0.2-  0.6-
    181002 K88  0.1-  0.2+    181016 D29  0.1-  0.5+    181106 C51  0.3-  0.3-
    181003 K63  0.0   0.6+    181016 D29  0.3-  0.6+    181106 C51  0.7+  0.7-
    181003 K63  0.5-  0.5+    181016 D29  0.1+  0.2-    181106 C51  0.2+  0.2-
    181003 K63  0.5-  0.4+    181017 F52  0.0   0.0     181108 T12  0.0   0.0
    181004 T12  0.0   0.0     181017 F52  0.1+  0.0     181108 T12  0.0   0.0
    181004 T12  0.0   0.0     181017 F52  0.0   0.0     181108 T12  0.1-  0.0
    181004 T12  0.0   0.0     181018 I52  0.3-  0.1-    181120 695  0.1+  0.1+
    181004 T12  0.0   0.1-    181018 I52  0.4-  0.2+    181120 695  0.1+  0.0
    181004 T05  1.6+  1.1-    181018 I52  0.1-  0.2+    181120 695  0.1+  0.1+
    181004 T05  0.0   0.8+    181018 I52  0.3-  0.6-    181121 695  0.2+  0.1+
    181004 T05  0.8-  0.7-    181019 H21  0.1+  0.0     181121 695  0.2+  0.1+
    181004 T05  0.2-  0.7+    181019 H21  0.2+  0.1-    181121 695  0.2+  0.2-
    181004 T05  1.3-  0.4-    181019 H21  0.1-  0.1-    190116 T12  0.1-  0.1+
    181005 691  0.1-  0.1+    181020 I52  0.0   0.1+    190309 T12 (0.1+  0.3+)
    181005 691  0.1+  0.1+    181020 I52  0.1-  0.2-    220819 F52  0.1-  0.3-
    181005 691  0.0   0.4+    181020 I52  0.4+  0.2-    220819 F52  0.2-  0.2-
    181005 703  0.2-  0.1+    181020 I52  0.1+  0.0     220829 F51  0.2+  0.2+
    181005 703  0.7-  0.6-    181021 I52  0.2+  0.1+    220829 F51  0.2-  0.0
    181005 703  0.3-  0.3+    181021 I52  0.2-  0.2+    220829 F51  0.1+  0.0
    181005 T12  0.1+  0.0     181021 I52  0.5+  0.0     220829 F51  0.1-  0.0
    181005 T12  0.0   0.0     181021 I52 (1.4+  0.1+)   220903 F52  0.0   0.0
    181005 246  0.7-  0.8+    181022 695  0.0   0.0     220903 F52  0.1+  0.0
    181005 246  0.7-  0.0     181022 695  0.4+  0.0     220903 F52  0.2-  0.2+
    181005 246  0.9-  0.1-    181023 H21  0.0   0.1-    220903 F52  0.0   0.2-
    181005 246  0.0   0.5+    181023 H21  0.0   0.0     220915 F51  0.5+  0.1-
    181006 I52  0.5+  0.5-    181023 H21  0.1+  0.0     220915 F51  0.2+  0.3+
    181006 I52  0.2-  0.0     181024 H21  0.0   0.1+    220916 F52  0.0   0.1-
    181006 I52  0.6-  0.5+    181024 H21  0.2+  0.1+    220916 F52  0.2-  0.1-
    181006 I52  0.7+  0.3-    181024 H21  0.0   0.4+    220918 F52 (0.1-  0.6-)
    181006 T12  0.0   0.0     181026 V06  0.2+  0.2+    220920 F52  0.2+  0.1+
    181006 T12  0.0   0.0     181026 V06  0.0   0.1+    220920 F52  0.1-  0.1-
    181010 I52  0.1-  0.0     181026 V06  0.1-  0.0     220920 F52  0.0   0.1-
    181010 I52  0.2-  0.1+    181026 V06  0.4+  0.3+
    
    Ephemeris:
    2018 SK3                 a,e,i = 2.60, 0.70, 34                  q = 0.7782
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 08 24    23 52 25.4 -10 11 54   1.6550  2.6063   154.9     9.5    22.7
    ...
    2022 09 08    23 30 01.8 -10 31 02   1.4897  2.4918   172.2     3.1    22.0
    ...
    2022 09 16    23 15 37.3 -10 35 56   1.4304  2.4288   171.1     3.7    21.9
    ...
    2022 09 22    23 04 14.6 -10 34 31   1.3998  2.3805   163.9     6.7    22.0
    2022 09 23    23 02 19.8 -10 33 45   1.3958  2.3724   162.5     7.3    22.0
    2022 09 24    23 00 25.1 -10 32 49   1.3922  2.3643   161.2     7.9    22.0
    ...
    2022 09 30    22 49 04.7 -10 23 34   1.3770  2.3149   153.1    11.3    22.1
    ...
    2022 10 08    22 34 50.4 -10 00 42   1.3731  2.2477   142.2    15.8    22.2
    ...
    2022 10 23    22 13 21.0 -08 45 42   1.4061  2.1177   122.8    23.3    22.3
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-S184
    


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