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  • MPEC 2023-M139 : 2022 LK1

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    M.P.E.C. 2023-M139                                Issued 2023 June 25, 14:06 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 LK1                                 
    
    
                               Revision to MPEC 2022-L51                            
    
    Additional Observations:
         K22L01K  C2023 06 22.49089620 12 42.362-04 17 22.72         22.25GVEM139F52
         K22L01K  C2023 06 22.50178420 12 39.911-04 17 27.70         22.82GVEM139F52
         K22L01K  C2023 06 22.51271820 12 37.416-04 17 32.87         22.55GVEM139F52
         K22L01K  C2023 06 22.52363520 12 34.962-04 17 38.47         22.50GVEM139F52
         K22L01K 7C2023 06 23.97793420 07 18.545-04 29 47.60               XEM139Z84
         K22L01K 7C2023 06 24.03688120 07 04.975-04 30 18.75         21.8 GXEM139Z84
         K22L01K 7C2023 06 24.08657020 06 53.467-04 30 45.00         21.7 GXEM139Z84
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
        Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    Z84 Calar Alto-Schmidt.  Observers F. Ocana, M. Micheli, R. Kresken, L.
        Conversi.  Measurers F. Ocana, M. Micheli.  0.8-m f/3 Schmidt + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230622 F52 0.18+ 0.01+    230624 Z84 0.18+ 0.01+    MPO706552   +0.09 days
    
    Orbital elements:
    2022 LK1                                                 Earth MOID = 0.0029 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M   5.38750              (2000.0)            P               Q                  
    n   1.06744905     Peri.  304.46527     -0.51517539     -0.85707618             
    a   0.9482102      Node   176.53718     +0.80573191     -0.48583044             
    e   0.4154641      Incl.    3.64384     +0.29221637     -0.17143280             
    P   0.92           H   23.19          G   0.15           U   4                  
    Residuals in seconds of arc
    220605 G96  0.1+  0.2-    220606 I52  0.5-  0.6-    220620 I52  0.5+  0.4-
    220605 G96  0.1-  0.4-    220606 654  0.0   0.0     220620 H21  0.5-  0.1-
    220605 G96  0.3-  0.4+    220606 654  0.2-  0.1-    220620 H21  0.4-  0.3+
    220605 G96  0.2-  0.4-    220606 568  0.0   0.0     220620 H21  0.4-  0.2+
    220605 I52  0.3+  0.2+    220606 568  0.0   0.1-    220620 I52  0.3+  0.1+
    220605 I52  0.5-  0.1-    220606 654  0.1-  0.0     230622 F52  0.0   0.0
    220605 I52  0.2+  0.2+    220606 033  0.5-  0.1+    230622 F52  0.1+  0.2+
    220605 204  0.2-  0.4+    220606 033  0.0   0.1-    230622 F52  0.2-  0.2+
    220605 L01  0.3-  0.7-    220606 033  0.1+  0.1-    230622 F52  0.1+  0.3-
    220605 L01  0.4-  0.0     220613 I52  0.2+  0.0     230623 Z84  0.2-  0.0
    220605 204  0.4-  0.1+    220613 I52  0.1-  0.5+    230624 Z84  0.1-  0.1-
    220606 I52  0.4+  0.4-    220613 I52  0.0   0.1+    230624 Z84  0.0   0.2-
    220606 I52  0.3-  0.1+    220613 I52  0.3+  0.2-
    220606 I52  0.3-  0.0     220620 I52  0.2-  0.3+
    
    Ephemeris:
    2022 LK1                 a,e,i = 0.95, 0.42, 4                   q = 0.5543
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 05 26    21 14 42.9 -03 46 18   0.3624  1.1553   104.0    58.3    23.4
    ...
    2023 06 10    20 49 53.8 -03 21 26   0.3242  1.2241   123.5    43.8    22.9
    ...
    2023 06 18    20 27 51.8 -03 47 25   0.3069  1.2543   135.8    34.4    22.5
    ...
    2023 06 24    20 07 12.8 -04 29 40   0.2984  1.2740   145.7    26.7    22.3
    2023 06 25    20 03 28.9 -04 38 37   0.2975  1.2771   147.3    25.4    22.3
    2023 06 26    19 59 40.9 -04 48 05   0.2967  1.2800   149.0    24.1    22.2
    ...
    2023 07 02    19 35 49.2 -05 54 45   0.2958  1.2963   158.4    16.8    22.0
    ...
    2023 07 10    19 03 26.6 -07 42 33   0.3054  1.3142   165.1    11.4    21.9
    ...
    2023 07 25    18 13 43.1 -11 15 41   0.3568  1.3358   149.6    22.6    22.7
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-M139
    


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