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  • MPEC 2023-Y59 : 2022 YF2

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    M.P.E.C. 2023-Y59                             Issued 2023 December 19, 14:10 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 YF2                                 
    
    
                               Revision to MPEC 2022-Y89                            
    
    Additional Observations:
         K22Y02F KC2023 12 13.41606408 40 39.256+00 49 12.25         21.93GVEY059V06
         K22Y02F KC2023 12 13.42714908 40 39.418+00 49 31.87         21.46GVEY059V06
         K22Y02F KC2023 12 13.43269208 40 39.500+00 49 42.67         22.58GVEY059V06
         K22Y02F 0C2023 12 16.64716508 41 45.578+02 38 01.15         22.10GVEY059T12
         K22Y02F 0C2023 12 16.64921208 41 45.595+02 38 05.74         22.15GVEY059T12
         K22Y02F 0C2023 12 16.65126208 41 45.600+02 38 10.32         22.09GVEY059T12
    
    Observer details:
    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.
    V06 Catalina Sky Survey-Kuiper.  Observer K. W. Wierzchos.  Measurers E. C.
        Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
        1K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    231213 V06 0.03- 0.01-    231216 T12 0.04- 0.00-    MPO782812   -0.00 days
    
    Orbital elements:
    2022 YF2                                                 Earth MOID = 0.1368 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 121.61541              (2000.0)            P               Q                  
    n   1.02838523     Peri.  145.18451     -0.32888368     +0.88463111             
    a   0.9720729      Node   103.59490     -0.92516584     -0.23158409             
    e   0.2540836      Incl.   19.88165     -0.18948271     -0.40471793             
    P   0.96           H   23.03          G   0.15           U   2                  
    Residuals in seconds of arc
    221220 G96  0.2-  0.1-    221222 807  0.1-  0.1-    221228 474  0.3-  0.6+
    221220 G96  0.3+  0.5-    221222 I52  0.4-  0.1+    221228 474  0.3+  0.4-
    221220 G96  0.4-  0.2+    221222 I52  0.9-  0.5-    221228 474  0.1-  0.6+
    221220 G96  0.1+  0.4+    221222 I52  0.1-  0.3-    230102 807  0.1+  0.1+
    221221 807  0.0   0.1-    221222 I52  0.1-  0.4-    230102 807  0.2+  0.0
    221221 807  0.2+  0.6+    221223 807  0.0   0.1-    230102 807  0.3-  0.0
    221221 807  0.1+  0.0     221223 807  0.0   0.0     231213 V06  0.0   0.0
    221221 I52  0.1-  0.4+    221223 807  0.0   0.1-    231213 V06  0.2-  0.4-
    221221 I52  0.1+  0.1+    221225 474  0.1+  0.9-    231213 V06  0.3-  0.4+
    221221 I52  0.4+  0.3+    221225 474  0.2-  0.7-    231216 T12  0.1+  0.1+
    221221 I52  0.2+  0.1-    221225 474  0.2+  0.2-    231216 T12  0.2+  0.1+
    221222 807  0.1+  0.0     221225 474  0.0   0.1+    231216 T12  0.1+  0.0
    221222 807  0.2+  0.1-    221228 474  0.1+  0.2+
    
    Ephemeris:
    2022 YF2                 a,e,i = 0.97, 0.25, 20                  q = 0.7251
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 11 19    08 18 59.3 -04 54 45   0.4857  1.2164   106.1    51.3    23.8
    ...
    2023 12 04    08 34 35.6 -02 38 51   0.3721  1.2030   117.4    46.7    23.1
    ...
    2023 12 12    08 39 59.1 +00 08 48   0.3120  1.1912   125.0    42.6    22.5
    ...
    2023 12 18    08 42 04.4 +03 31 10   0.2687  1.1803   131.8    38.4    22.1
    2023 12 19    08 42 13.3 +04 13 33   0.2617  1.1784   133.1    37.6    22.0
    2023 12 20    08 42 18.2 +04 58 51   0.2548  1.1763   134.4    36.7    21.9
    ...
    2023 12 26    08 41 13.3 +10 43 03   0.2155  1.1631   143.1    30.5    21.3
    ...
    2024 01 03    08 33 46.6 +22 39 50   0.1718  1.1428   156.4    20.2    20.5
    ...
    2024 01 18    07 30 31.4 +58 52 46   0.1398  1.0968   141.6    33.9    20.4
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Y59
    


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