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  • MPEC 2022-A41 : 2018 AW

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    M.P.E.C. 2022-A41                               Issued 2022 January 6, 14:07 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 AW                                 
    
    
                               Revision to MPEC 2018-A34                            
    
    Additional Observations:
         K18A00W  C2021 12 08.40852 06 57 08.01 +38 59 51.3          22.7 GVEA041V06
         K18A00W  C2021 12 08.42044 06 57 06.76 +38 59 58.9                VEA041V06
         K18A00W  C2021 12 08.45564 06 57 03.04 +39 00 21.9                VEA041V06
         K18A00W  C2021 12 13.32445 06 47 46.33 +39 53 12.7          22.9 GVEA041V06
         K18A00W  C2021 12 13.32921 06 47 45.72 +39 53 15.8          22.5 GVEA041V06
         K18A00W KC2022 01 03.27993105 47 09.17 +42 40 26.7          21.32GVEA041V06
         K18A00W KC2022 01 03.28314805 47 08.47 +42 40 27.0          21.97GVEA041V06
         K18A00W KC2022 01 03.28636705 47 07.74 +42 40 28.0          21.89GVEA041V06
         K18A00W KC2022 01 03.28958805 47 07.05 +42 40 28.6          22.30GVEA041V06
    
    Observer details:
    V06 Catalina Sky Survey-Kuiper.  Observers H. Groeller, D. C. Fuls.  Measurers
        E. J. Christensen, B. Gray, D. Rankin, F. C. Shelly, G. A. Farneth, D. C.
        Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
        Larson, G. J. Leonard, R. L. Seaman, K. W. Wierzchos.  1.55-m reflector +
        CCD, 1.55-m reflector + 1K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    211208 V06 87.3-  9.6-    220103 V06 69.3- 44.5-    MPO438048   +1494 days
    
    Orbital elements:
    2018 AW                                                  Earth MOID = 0.1188 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M 337.55759              (2000.0)            P               Q                  
    n   0.24080836     Peri.  204.02922     -0.49602774     +0.85962597             
    a   2.5587136      Node    36.57450     -0.75965423     -0.36130247             
    e   0.8864953      Incl.   11.86097     -0.42057335     -0.36125298             
    P   4.09           H   19.55          G   0.15           U   1                  
    Residuals in seconds of arc
    171113 F51  0.4-  0.4-    180106 J95  0.4-  0.1-    180125 I52  0.7+  0.1+
    171113 F51  0.3-  0.2-    180106 J95  0.3+  0.4+    180127 I52  0.3+  0.0
    171113 F51  0.3-  0.3+    180107 H21  0.0   0.0     180127 I52  0.0   0.1+
    171211 F51  0.1+  0.2-    180107 H21  0.1+  0.1-    180127 I52  0.2-  0.1-
    180105 G96  0.0   0.2-    180107 H21  0.2+  0.5+    180127 I52  0.2-  0.1+
    180105 G96  0.0   0.1+    180107 J95  0.1+  0.1-    180128 H21  0.0   0.0
    180105 G96  0.4+  0.2-    180107 J95  0.3-  0.7-    180128 H21  0.2+  0.2+
    180105 G96  0.1+  0.2-    180107 J95  0.1-  0.3+    180128 H21  0.5+  0.6-
    180105 I52  0.2+  0.0     180108 I52  0.1-  0.1+    180203 204  0.1+  0.0
    180105 I52  0.5-  0.2+    180108 I52  0.8+  0.0     180203 204  0.2-  0.0
    180105 I52  0.7-  0.6+    180108 I52  0.1-  0.2+    211208 V06  0.0   0.1-
    180106 H01  0.1+  0.0     180108 I52  0.3-  0.1+    211208 V06  0.1+  0.3-
    180106 H01  0.0   0.1+    180108 H36  0.4-  0.2+    211208 V06  0.2+  0.0
    180106 H01  0.1+  0.1+    180108 H36  0.0   0.6+    211213 V06  0.2-  0.2+
    180106 H01  0.2+  0.0     180108 H36 (1.1+  1.7-)   211213 V06  0.1-  0.2+
    180106 H36  0.4-  0.5-    180108 K88  0.1-  0.1-    220103 V06  0.1+  0.1+
    180106 H36  0.5-  0.5+    180108 K88  0.1-  0.2-    220103 V06  0.1+  0.2-
    180106 H36  0.8-  0.8+    180108 K88  0.4-  0.0     220103 V06  0.3-  0.2+
    180106 H36  1.7-  0.7+    180125 I52  0.1-  0.4+    220103 V06  0.2-  0.2+
    180106 J95  0.5-  0.4-    180125 I52  0.1+  0.4-
    
    Ephemeris:
    2018 AW                  a,e,i = 2.56, 0.89, 12                  q = 0.2904
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 12 07    06 59 28.6 +38 44 32   1.4131  2.3127   148.8    12.8    22.9
    ...
    2021 12 22    06 26 33.3 +41 20 46   1.1956  2.1505   161.3     8.5    22.2
    ...
    2021 12 30    06 01 55.3 +42 21 17   1.1092  2.0596   159.6     9.6    22.0
    ...
    2022 01 05    05 41 00.6 +42 44 55   1.0591  1.9894   153.8    12.6    21.9
    2022 01 06    05 37 23.8 +42 46 39   1.0520  1.9775   152.6    13.2    21.9
    2022 01 07    05 33 45.7 +42 47 42   1.0452  1.9655   151.3    13.9    21.9
    ...
    2022 01 13    05 11 48.0 +42 39 37   1.0114  1.8926   143.2    18.2    21.9
    ...
    2022 01 21    04 43 40.8 +41 52 01   0.9829  1.7921   131.3    24.4    21.9
    ...
    2022 02 05    04 01 26.4 +39 05 18   0.9664  1.5923   109.3    35.8    21.9
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-A41
    


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