• MPC Preparation (Info)

  • MPEC 2023-R165 : 2018 RZ3

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    M.P.E.C. 2023-R165                           Issued 2023 September 13, 01:05 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
    
                                    2018 RZ3                                 
    
    
                               Revision to MPEC 2018-R120                           
    
    Additional Observations:
         K18R03Z  C2023 09 12.24233020 36 29.567+02 56 16.01         20.03wXER165F52
         K18R03Z  C2023 09 12.25008520 36 24.849+02 58 51.32         19.74GVER165F52
         K18R03Z  C2023 09 12.25779320 36 20.115+03 01 25.85         19.89wXER165F52
         K18R03Z  C2023 09 12.26551320 36 15.426+03 03 59.54         19.45GVER165F52
         K18R03Z  C2023 09 12.32434220 35 39.496+03 23 30.81               VER165F52
         K18R03Z  C2023 09 12.32523920 35 38.952+03 23 48.85         19.51GVER165F52
         K18R03Z 1C2023 09 12.78541 20 31 24.92 +05 52 31.8          19.9 VXER165033
         K18R03Z 1C2023 09 12.78581 20 31 24.69 +05 52 39.4          20.1 VXER165033
         K18R03Z 1C2023 09 12.78621 20 31 24.46 +05 52 47.1          20.2 VXER165033
         K18R03Z KC2023 09 12.85259420 30 46.41 +06 14 03.7                VER165104
         K18R03Z KC2023 09 12.85668220 30 44.00 +06 15 21.9          19.9 GVER165104
         K18R03Z KC2023 09 12.86281720 30 40.44 +06 17 18.0          20.4 GVER165104
         K18R03Z IC2023 09 12.91245320 30 11.77 +06 32 56.2          20.2 GVER165L01
         K18R03Z KC2023 09 12.91690020 30 09.17 +06 34 19.8          20.3 GVER165L01
         K18R03Z KC2023 09 12.91838120 30 08.41 +06 34 47.4          20.0 GVER165L01
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
        1.34-m f/3 Schmidt + CCD.
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
        Schultz, I. Smith, K. Chambers, T. Dukes.  Measurers K. Chambers, T. de
        Boer, J. Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E.
        Magnier, P. Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat,
        R. Weryk, S. Chastel.  1.8-m Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    230912 F52   23+   33+    230912 L01   21+   34+    MPO452103   +5.32 days
    
    Orbital elements:
    2018 RZ3                                                 Earth MOID = 0.0634 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 346.80355              (2000.0)            P               Q                  
    n   0.59096084     Peri.   26.61144     +0.96866134     -0.20992188             
    a   1.4063613      Node   343.75575     +0.03326065     +0.63934551             
    e   0.2539134      Incl.   28.33549     +0.24614821     +0.73970948             
    P   1.67           H   23.87          G   0.15           U   2                  
    Residuals in seconds of arc
    180910 703  0.6-  0.6-    180910 104  0.2-  0.4+    180913 I52  0.0   0.2-
    180910 703  0.1+  0.1+    180910 160  0.4+  0.1-    180913 I52  0.0   0.3-
    180910 703  0.4+  1.2+    180910 204  0.3+  0.5+    180913 I52  0.1+  0.3-
    180910 I52  0.4+  0.3-    180910 160  0.9+  0.5-    230912 F52  0.2+  0.3-
    180910 I52  0.4-  0.2-    180910 160  0.5+  0.8-    230912 F52  0.3+  0.1-
    180910 I52  0.4+  0.5-    180910 160  0.4+  0.5-    230912 F52  0.2-  0.4+
    180910 I52  0.8-  0.1-    180910 160  1.0-  0.1+    230912 F52  0.1+  0.1-
    180910 K63  0.9-  0.5+    180911 H36  0.1-  0.5+    230912 F52  0.1+  0.4-
    180910 K63  0.7-  0.3+    180911 I52  1.4-  0.1-    230912 F52  0.2+  0.2-
    180910 587  0.4+  0.6+    180911 I52  0.1-  0.3-    230912 033  0.1+  0.1-
    180910 K63  0.5-  0.0     180911 H36  0.2+  0.8+    230912 033  0.0   0.1-
    180910 587  0.4+  0.2-    180911 I52  0.3-  0.1-    230912 033  0.1+  0.1-
    180910 L01  0.2-  0.2+    180911 I52  0.1+  0.4-    230912 104  0.3+  0.2+
    180910 L01  0.4-  0.1+    180911 H36  0.4-  1.4+    230912 104  0.5-  0.7+
    180910 L01  0.4-  0.1+    180911 H36  0.4+  0.7+    230912 104  0.7-  0.2+
    180910 104  0.1-  0.1+    180911 474  0.1+  0.3-    230912 L01  0.3+  0.2+
    180910 204  0.1+  0.0     180911 474  0.2-  0.1-    230912 L01  0.6-  0.1-
    180910 104  0.1+  0.0     180911 474  0.0   0.0     230912 L01  0.6+  0.5-
    
    Ephemeris:
    2018 RZ3                 a,e,i = 1.41, 0.25, 28                  q = 1.0493
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 08 14    01 52 35.1 -64 13 23   0.2443  1.1341   113.8    54.8    23.1
    ...
    2023 08 29    23 44 52.7 -57 51 48   0.1258  1.0945   129.6    45.4    21.3
    ...
    2023 09 06    21 49 23.3 -33 40 57   0.08026 1.0777   148.9    28.9    19.8
    ...
    2023 09 12    20 38 46.0 +01 35 10   0.07813 1.0675   139.7    37.6    20.0
    2023 09 13    20 29 27.2 +07 01 18   0.08125 1.0660   135.6    41.4    20.2
    2023 09 14    20 20 48.7 +11 59 21   0.08519 1.0645   131.5    45.1    20.4
    ...
    2023 09 20    19 41 06.2 +32 15 24   0.1200  1.0572   113.0    61.0    21.6
    ...
    2023 09 28    19 10 33.6 +44 15 51   0.1790  1.0511   101.0    69.4    22.7
    ...
    2023 10 13    18 46 15.5 +52 54 48   0.2921  1.0513    92.3    71.5    23.8
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-R165
    


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