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  • MPEC 2024-D86 : 2021 WX6

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    M.P.E.C. 2024-D86                             Issued 2024 February 20, 14:12 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
    
                                    2021 WX6                                 
    
    
                               Revision to MPEC 2021-X114                           
    
    Additional Observations:
         K21W06X 1C2019 10 28.11332 18 25 12.08 +56 43 40.5          22.2 GVED086G96
         K21W06X 1C2019 10 28.11853 18 25 13.73 +56 43 51.6          21.6 GVED086G96
         K21W06X 1C2019 10 28.12374 18 25 15.32 +56 44 02.5          21.4 GVED086G96
         K21W06X 1C2019 12 15.13634 01 27 35.73 +48 45 56.5          21.5 GVED086G96
         K21W06X 1C2019 12 15.14158 01 27 37.29 +48 45 40.9          22.2 GVED086G96
         K21W06X 1C2019 12 15.14683 01 27 38.82 +48 45 25.7          21.5 GVED086G96
         K21W06X 0C2024 02 08.44556708 00 16.271+01 50 23.32         23.40GVED086T12
         K21W06X 0C2024 02 08.45275008 00 15.546+01 50 23.00         23.24GVED086T12
         K21W06X 0C2024 02 08.46034808 00 14.781+01 50 22.65         23.45GVED086T12
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers D. Rankin, H. Groeller.  Measurers B. Gray,
        D. Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    191028 G96 17.1- 61.6-    240208 T12  9.9-  3.1-    MPO782776   +0.01 days
    
    Orbital elements:
    2021 WX6                                                 Earth MOID = 0.0590 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 147.99938              (2000.0)            P               Q                  
    n   0.52422948     Peri.   57.94295     +0.90165239     +0.26794223             
    a   1.5233105      Node   284.56498     -0.40643103     +0.79322998             
    e   0.3759504      Incl.   20.53176     +0.14777273     +0.54680266             
    P   1.88           H   21.21          G   0.15           U   2                  
    Residuals in seconds of arc
    191028 G96  0.2+  0.1-    211204 H01  0.0   0.1-    220102 033  0.2+  0.1-
    191028 G96  0.1+  0.1+    211204 H01  0.2-  0.2+    220102 033  0.0   0.1+
    191028 G96  0.5-  0.1+    211204 H01  0.0   0.1-    220105 G96  0.3+  0.4-
    191215 G96  0.1+  0.1-    211204 H21  0.2-  0.1+    220105 G96  0.3+  0.2-
    191215 G96  0.1+  0.3-    211204 H21  0.2-  0.3-    220105 G96  0.4-  0.2+
    191215 G96  0.3-  0.1-    211205 H21  0.2-  0.8-    220105 G96  0.0   0.4-
    211129 V00  0.0   0.0     211205 H21  0.6+  0.2-    220106 691  0.3-  0.1-
    211129 V00  0.4+  0.0     211205 H21  0.0   0.0     220106 691  0.3+  0.1-
    211129 V00  0.1-  0.1+    211212 H21  0.5+  0.3-    220107 F52  0.2+  0.1+
    211129 V00  0.2-  0.1+    211212 H21  0.1-  0.1-    220107 F52  0.2+  0.0
    211202 V00  0.1-  0.1+    211212 H21  0.6-  0.0     220107 F52  0.1-  0.2+
    211202 V00  0.1-  0.2-    211214 H21  0.3-  1.4-    240208 T12  0.3+  0.1+
    211202 V00  0.0   0.1+    211214 H21  0.5+  0.7-    240208 T12  0.2+  0.0
    211202 V00  0.1+  0.2-    211214 H21  0.1+  1.0-    240208 T12  0.2+  0.1-
    211204 H01  0.1+  0.0     220102 033  0.2+  0.1+
    
    Ephemeris:
    2021 WX6                 a,e,i = 1.52, 0.38, 21                  q = 0.9506
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 01 21    08 35 28.6 +02 44 08   0.9185  1.8776   161.5     9.6    23.0
    ...
    2024 02 05    08 06 06.5 +01 53 39   0.9734  1.9249   158.5    10.8    23.3
    ...
    2024 02 13    07 53 21.1 +01 50 03   1.0273  1.9477   150.4    14.5    23.5
    ...
    2024 02 19    07 45 45.0 +01 54 58   1.0774  1.9637   143.8    17.3    23.7
    2024 02 20    07 44 39.5 +01 56 16   1.0865  1.9663   142.7    17.7    23.8
    2024 02 21    07 43 37.0 +01 57 40   1.0958  1.9689   141.6    18.2    23.8
    ...
    2024 02 27    07 38 25.3 +02 08 06   1.1550  1.9837   135.1    20.6    24.0
    ...
    2024 03 06    07 34 13.1 +02 25 16   1.2426  2.0020   126.9    23.4    24.3
    ...
    2024 03 21    07 33 49.4 +02 57 56   1.4251  2.0320   112.9    26.8    24.7
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-D86
    


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