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  • MPEC 2023-T121 : 2018 RT3

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    M.P.E.C. 2023-T121                              Issued 2023 October 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
    
                                    2018 RT3                                 
    
    
                               Revision to MPEC 2018-R114                           
    
    Additional Observations:
         K18R03T  C2023 09 05.30077417 58 59.499+37 00 58.06         21.33GVET121F51
         K18R03T  C2023 09 09.25434718 39 27.017+29 23 30.96         19.94GVET121F52
         K18R03T  C2023 09 09.26445218 39 32.644+29 22 16.62         21.19GVET121F52
         K18R03T  C2023 09 09.28426318 39 43.718+29 19 49.70         20.87GVET121F52
         K18R03T  C2023 10 03.24757521 08 29.153-09 24 28.84         23.06GVET121F52
         K18R03T  C2023 10 03.25839621 08 31.521-09 25 01.90         20.57GVET121F52
         K18R03T 7C2023 10 06.81464321 21 24.874-12 08 57.67         21.3 GVET121Z84
         K18R03T 7C2023 10 06.84825821 21 31.584-12 10 20.62         21.6 GVET121Z84
         K18R03T 7C2023 10 06.88193721 21 38.250-12 11 43.21         21.1 GVET121Z84
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, 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.
    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 R. Kresken, F. Ocana, M. Micheli, L.
        Conversi.  Measurers F. Ocana, R. Kresken, 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
    230905 F51 0.42- 0.20-    231006 Z84 0.26- 0.02-    E2023-P11   -0.13 days
    
    Orbital elements:
    2018 RT3                                                 Earth MOID = 0.0091 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M  39.95377              (2000.0)            P               Q                  
    n   0.58406828     Peri.   70.97334     -0.33203779     +0.94326071             
    a   1.4174039      Node   179.59109     -0.94186419     -0.33172641             
    e   0.4503149      Incl.   26.49980     +0.05140774     +0.01472497             
    P   1.69           H   22.09          G   0.15           U   1                  
    Residuals in seconds of arc
    180909 G96  0.0   0.1-    180911 H21  0.0   0.2+    180929 291  0.3-  0.3+
    180909 G96  0.1+  0.1+    180911 734  0.2-  0.0     180929 291  0.3-  0.1+
    180909 G96  0.1-  0.1-    180911 734  0.5-  0.2+    180929 I52  0.0   0.4-
    180909 G96  0.0   0.0     180911 734  0.0   0.0     180929 I52  0.5+  0.4+
    180909 I52  0.3-  0.1-    180915 I52  0.2-  0.2-    180929 I52  0.5-  0.9-
    180909 I52  0.5+  0.1-    180915 I52  0.0   0.1+    181010 291  0.0   0.0
    180909 I52  0.2-  0.1+    180915 291  0.3-  0.1+    181010 291  0.0   0.2+
    180909 I52  0.1-  0.1+    180915 291  0.1-  0.0     181010 291  0.1-  0.0
    180909 L01  0.1-  0.5+    180915 291  0.1-  0.1+    230905 F51  0.2+  0.6-
    180909 L01  0.1+  0.3+    180915 T12  0.0   0.1+    230909 F52  0.0   0.2-
    180910 I52  0.1-  0.1+    180915 T12  0.1-  0.0     230909 F52  0.4-  0.2+
    180910 I52  0.8+  0.1-    180916 291  0.0   0.0     230909 F52  0.4-  0.1+
    180910 I52  0.4+  0.2-    180916 291  0.0   0.1-    231003 F52  0.0   0.1-
    180911 I52  0.3-  0.3-    180916 291  0.0   0.0     231003 F52  0.3-  0.3+
    180911 I52  0.1-  0.0     180921 I52  0.5+  0.1+    231006 Z84  0.1+  0.2+
    180911 H21  0.1+  0.1+    180921 I52  0.9+  0.3-    231006 Z84  0.3+  0.1+
    180911 I52  0.1+  0.0     180921 I52  0.4-  0.5+    231006 Z84  0.3-  0.2+
    180911 I52  0.5-  0.2+    180921 I52  0.2-  0.5-
    180911 H21  0.1+  0.0     180929 291  0.4-  0.1-
    
    Ephemeris:
    2018 RT3                 a,e,i = 1.42, 0.45, 26                  q = 0.7791
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 09 09    18 36 59.6 +29 54 45   0.2375  1.0978   106.2    61.8    21.4
    ...
    2023 09 24    20 26 48.9 +01 10 49   0.3015  1.2068   126.4    42.0    21.5
    ...
    2023 10 02    21 03 36.5 -08 17 31   0.3754  1.2640   127.2    39.1    22.0
    ...
    2023 10 08    21 25 24.9 -12 55 34   0.4416  1.3061   125.5    38.6    22.4
    2023 10 09    21 28 41.8 -13 32 26   0.4533  1.3131   125.1    38.5    22.5
    2023 10 10    21 31 53.6 -14 06 58   0.4652  1.3200   124.6    38.5    22.6
    ...
    2023 10 16    21 49 32.5 -16 52 09   0.5398  1.3610   121.8    38.5    23.0
    ...
    2023 10 24    22 09 59.6 -19 06 51   0.6462  1.4140   117.4    38.6    23.4
    ...
    2023 11 08    22 42 36.2 -20 38 46   0.8604  1.5084   108.9    38.4    24.2
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-T121
    


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