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  • MPEC 2024-A90 : 2013 JZ28

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    M.P.E.C. 2024-A90                               Issued 2024 January 9, 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
    
                                    2013 JZ28                                
    
    
                                Revision to MPEC 2013-K2                            
    
    Additional Observations:
         K13J28Z  C2007 10 20.36192 03 54 42.84 +00 26 46.5          19.9 VrEA090703
         K13J28Z  C2007 10 20.36792 03 54 42.48 +00 26 47.8          19.9 VrEA090703
         K13J28Z  C2007 10 20.37396 03 54 42.19 +00 26 48.8          19.5 VrEA090703
         K13J28Z  C2007 10 20.37996 03 54 41.86 +00 26 48.2          19.6 VrEA090703
         K13J28Z  C2024 01 05.35948807 35 01.774+21 40 37.99         23.03GVEA090F52
         K13J28Z  C2024 01 05.37247207 35 00.672+21 40 43.19         22.97GVEA090F52
         K13J28Z  C2024 01 05.38535107 34 59.563+21 40 46.94         23.29GVEA090F52
         K13J28Z  C2024 01 05.39831607 34 58.507+21 40 52.56               VEA090F52
         K13J28Z 0C2024 01 05.48575607 34 51.137+21 41 23.38         23.52GVEA090T12
         K13J28Z 7C2024 01 07.87083007 31 36.371+21 55 20.18         23.2 GVEA090Z84
         K13J28Z 7C2024 01 07.90128007 31 33.849+21 55 30.32         22.5 GVEA090Z84
         K13J28Z 7C2024 01 07.93025907 31 31.490+21 55 40.88               VEA090Z84
    
    Observer details:
    703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
        A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A.
        Kowalski, S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + 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.
    Z84 Calar Alto-Schmidt.  Observers F. Ocana, R. Kresken, M. Micheli, 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
    071020 703 0.07- 0.03-    240107 Z84 0.03- 0.00-    MPO477705   +0.09 days
    
    Orbital elements:
    2013 JZ28                                                Earth MOID = 0.2563 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M  47.46960              (2000.0)            P               Q                  
    n   0.31432202     Peri.  231.32379     +0.93391626     +0.33834450             
    a   2.1423291      Node   108.63145     -0.27834764     +0.89082121             
    e   0.4185108      Incl.    6.99662     -0.22432793     +0.30325003             
    P   3.14           H   19.93          G   0.15           U   2                  
    Residuals in seconds of arc
    071020 703  0.1-  0.9-    130513 568  0.2-  0.2+    130530 291  0.1+  0.4+
    071020 703  0.5-  0.1+    130513 568  0.2-  0.1+    130604 H21  0.8+  0.5-
    071020 703  0.2+  0.9+    130514 H01  0.2-  0.2+    130604 H21  0.6+  0.2-
    071020 703  0.4+  0.0     130514 H01  0.1-  0.0     130604 H21  0.5+  0.1+
    130419 F51  0.1-  0.4+    130514 H01  0.1-  0.0     130611 H21  0.2+  0.2+
    130419 F51  0.0   0.1-    130514 H01  0.3-  0.3+    130611 H21  0.1+  0.1+
    130512 F51  0.0   0.2+    130516 291  0.0   0.3-    130611 H21  0.3+  0.1-
    130512 F51  0.0   0.2+    130516 291  0.1+  1.3-    240105 F52  0.3+  0.0
    130512 F51  0.4-  0.3+    130516 291  0.0   1.0-    240105 F52  0.1+  0.5+
    130512 F51  0.1-  0.1+    130517 H01  0.1-  0.1+    240105 F52  0.3-  0.4-
    130512 F51  0.1-  0.0     130517 H01  0.1-  0.3+    240105 F52  0.1+  0.5+
    130512 F51  0.2-  0.1+    130517 H01  0.3-  0.2+    240105 T12  0.1+  0.0
    130512 F51  0.5-  0.0     130517 H01  0.1-  0.1+    240107 Z84  0.5-  0.3+
    130513 H21  0.0   0.0     130530 291  0.0   0.8+    240107 Z84  0.3-  0.4-
    130513 H21  0.5-  0.3+    130530 291  0.7-  0.6+    240107 Z84  0.6+  0.1-
    
    Ephemeris:
    2013 JZ28                a,e,i = 2.14, 0.42, 7                   q = 1.2457
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 12 10    08 04 48.4 +19 08 39   1.4506  2.2798   138.0    16.8    23.4
    ...
    2023 12 25    07 49 47.5 +20 31 53   1.4098  2.3469   157.0     9.4    23.2
    ...
    2024 01 02    07 39 33.5 +21 20 29   1.4115  2.3814   167.6     5.1    23.0
    ...
    2024 01 08    07 31 25.6 +21 56 07   1.4250  2.4067   175.7     1.7    22.8
    2024 01 09    07 30 03.7 +22 01 52   1.4283  2.4109   177.1     1.2    22.8
    2024 01 10    07 28 42.0 +22 07 34   1.4319  2.4151   178.4     0.7    22.7
    ...
    2024 01 16    07 20 40.0 +22 40 03   1.4598  2.4398   173.5     2.6    23.0
    ...
    2024 01 24    07 10 46.8 +23 17 59   1.5137  2.4719   163.1     6.7    23.3
    ...
    2024 02 08    06 56 43.4 +24 10 42   1.6609  2.5298   144.5    13.1    23.8
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-A90
    


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