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  • MPEC 2023-U243 : 2022 NW13

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    M.P.E.C. 2023-U243                             Issued 2023 October 25, 14:20 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
    
                                    2022 NW13                                
    
    
                               Revision to MPEC 2022-U181                           
    
    Additional Observations:
         K22N13W  C2019 12 02.27295 04 22 37.66 +30 39 07.2          21.1 GVEU243G96
         K22N13W  C2019 12 02.27815 04 22 37.26 +30 39 03.6          21.2 GVEU243G96
         K22N13W  C2019 12 02.28333 04 22 36.87 +30 39 00.6          21.9 GVEU243G96
         K22N13W  C2019 12 02.28851 04 22 36.46 +30 38 57.2          21.1 GVEU243G96
         K22N13W  C2019 12 06.18872 04 18 18.19 +29 57 50.6          21.8 GVEU243G96
         K22N13W  C2019 12 06.19502 04 18 17.80 +29 57 46.9                VEU243G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers T. A. Pruyne, G. J. Leonard.  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, B. Gray.  1.5-m
        reflector + 10K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    191202 G96 0.53+ 0.05+    191206 G96 0.51+ 0.05+    MPO733862   -0.00 days
    
    Orbital elements:
    2022 NW13                                                Earth MOID = 0.2271 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 107.75726              (2000.0)            P               Q                  
    n   0.31626561     Peri.   58.45436     +0.99626000     +0.05536922             
    a   2.1335430      Node   298.29647     -0.07859350     +0.89968238             
    e   0.4274755      Incl.    4.32057     +0.03590379     +0.43301948             
    P   3.12           H   21.49          G   0.15           U   2                  
    Residuals in seconds of arc
    191202 G96  0.0   0.4+    221020 F51  0.1-  0.1+    221021 I52  0.0   0.4+
    191202 G96  0.1-  0.0     221020 F52  0.1-  0.0     221021 I52  0.8+  0.6+
    191202 G96  0.0   0.3+    221020 F52  0.1-  0.1+    221022 H21  0.1+  0.2-
    191202 G96  0.1-  0.1+    221021 807  0.1+  0.4-    221022 H21  0.1+  0.1+
    191206 G96  0.1-  0.3+    221021 807  0.1-  0.1-    221022 H21  0.2+  0.1-
    191206 G96  0.3+  0.4+    221021 807  0.2+  0.1+    221022 691  0.4+  0.7-
    220706 F52  0.0   0.1+    221021 H21  0.7+  0.2-    221022 691  0.0   0.3-
    220706 F52  0.1+  0.1+    221021 H21  0.5+  0.3-    221022 691  0.3+  0.8-
    220706 F52  0.1-  0.0     221021 291  0.3+  0.2-    221115 695  0.1-  0.1+
    221020 F51  0.0   0.1+    221021 I52  0.6-  1.6-    221115 695  0.1-  0.2+
    221020 F51  0.1-  0.0     221021 H21  0.7+  0.6+    221115 695  0.1-  0.1+
    
    Ephemeris:
    2022 NW13                a,e,i = 2.13, 0.43, 4                   q = 1.2215
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 09 25    10 20 38.1 +08 47 29   3.5716  2.7227    27.6     9.8    27.1
    ...
    2023 10 10    10 40 19.3 +06 39 24   3.4974  2.7663    37.0    12.6    27.2
    ...
    2023 10 18    10 50 12.1 +05 32 18   3.4441  2.7882    42.3    13.9    27.2
    ...
    2023 10 24    10 57 17.9 +04 42 54   3.3980  2.8040    46.3    14.9    27.2
    2023 10 25    10 58 27.1 +04 34 46   3.3898  2.8066    47.0    15.0    27.2
    2023 10 26    10 59 35.9 +04 26 40   3.3815  2.8092    47.6    15.2    27.2
    ...
    2023 11 01    11 06 18.3 +03 38 40   3.3290  2.8244    51.8    16.0    27.2
    ...
    2023 11 09    11 14 45.2 +02 36 43   3.2517  2.8438    57.4    17.1    27.2
    ...
    2023 11 24    11 28 50.0 +00 48 44   3.0872  2.8777    68.6    18.6    27.2
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U243
    


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