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  • MPEC 2018-R118: 2018 RX3

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    M.P.E.C. 2018-R118                               Issued 2018 Sept. 11, 16:31 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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 RX3
    
    Observations:
         K18R03X* C2018 09 10.13894 00 42 36.00 -02 58 41.4          20.4 RcER118J04
         K18R03X  C2018 09 10.15063 00 42 38.68 -02 59 11.4          20.2 RcER118J04
         K18R03X  C2018 09 10.16232 00 42 41.39 -02 59 41.1          20.2 RcER118J04
         K18R03X  C2018 09 10.17401 00 42 44.08 -03 00 10.6          19.9 RcER118J04
         K18R03X KC2018 09 10.38044 00 43 37.76 -03 09 04.5          20.2 RoER118711
         K18R03X KC2018 09 10.38216 00 43 38.17 -03 09 09.0          20.3 RoER118711
         K18R03X KC2018 09 10.38387 00 43 38.58 -03 09 13.3          20.5 RoER118711
         K18R03X KC2018 09 10.90862900 46 01.10 -03 32 53.7          20.6 GVER118L01
         K18R03X KC2018 09 10.91173700 46 01.90 -03 33 03.0          20.8 GVER118L01
         K18R03X KC2018 09 10.91484800 46 02.69 -03 33 11.7          20.6 GVER118L01
         K18R03X KC2018 09 10.93224 00 46 07.35 -03 33 59.3          19.6  VER118104
         K18R03X KC2018 09 10.93853 00 46 08.98 -03 34 16.6          19.7  VER118104
         K18R03X KC2018 09 10.94481 00 46 10.58 -03 34 34.1          19.5  VER118104
         K18R03X KC2018 09 10.97547 00 46 18.58 -03 36 00.9                VER118204
         K18R03X KC2018 09 10.98517 00 46 21.08 -03 36 28.5          20   GVER118204
         K18R03X KC2018 09 10.99488 00 46 23.59 -03 36 55.1                VER118204
         K18R03X  C2018 09 11.41131 00 48 19.44 -03 56 37.6          20.4 G ER118I52
         K18R03X  C2018 09 11.41208 00 48 19.63 -03 56 39.9          20.5 G ER118I52
         K18R03X  C2018 09 11.41284 00 48 19.84 -03 56 42.3          19.9 G ER118I52
         K18R03X  C2018 09 11.41360 00 48 20.05 -03 56 44.4          20.7 G ER118I52
         K18R03X KC2018 09 11.59064 00 49 12.67 -04 04 07.7          19.6 RVER118474
         K18R03X KC2018 09 11.59205 00 49 13.09 -04 04 12.1          19.2 RVER118474
         K18R03X KC2018 09 11.59347 00 49 13.47 -04 04 16.3          19.7 RVER118474
         K18R03X KC2018 09 11.59488 00 49 13.89 -04 04 20.6          19.5 RVER118474
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector
        + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    711 McDonald Observatory.  Observers K. Sarneczky, J. Vinko, M. Rozsahegyi.
        Measurer K. Sarneczky.  2.7-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
        + CCD.
    J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
        M. Busch, D. Koschny, C. Liefke, M. Micheli, E. Schwab.  1.0-m f/4.4
        reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, I. Lyon.  Measurer
        K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2018 RX3                                                 Earth MOID = 0.0182 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 232.14568              (2000.0)            P               Q
    n   0.53580766     Peri.  278.02278     +0.17269341     -0.98437697
    a   1.5012860      Node   161.92298     +0.94167411     +0.15477867
    e   0.4913417      Incl.    6.35317     +0.28883707     +0.08393779
    P   1.84           H   23.6           G   0.15           U   8
    Residuals in seconds of arc
    180910 J04  0.4+  0.4+    180910 L01  0.3+  0.0     180911 I52  0.0   0.2+
    180910 J04  0.1+  0.0     180910 L01  0.0   0.1-    180911 I52  0.3-  0.1+
    180910 J04  0.2+  0.1-    180910 104  0.1-  0.3-    180911 I52  0.1-  0.0
    180910 J04  0.1-  0.0     180910 104  0.0   0.0     180911 I52  0.0   0.1+
    180910 711  0.4-  0.2-    180910 104  0.3-  0.0     180911 474  0.4-  0.0
    180910 711  0.4-  0.2-    180910 204  0.2+  0.1+    180911 474  0.1+  0.1-
    180910 711  0.3-  0.1-    180910 204  0.1+  0.3-    180911 474  0.0   0.1-
    180910 L01  0.4+  0.6+    180910 204  0.2+  0.3+    180911 474  0.4+  0.2-
    
    Ephemeris:
    2018 RX3                 a,e,i = 1.50, 0.49, 6                   q = 0.7636
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 12    23 46 34.3 +03 06 39   0.4219  1.3661   140.7    28.1    23.6
    ...
    2018 08 27    00 06 41.6 +02 09 25   0.2680  1.2517   151.0    23.0    22.3
    ...
    2018 09 04    00 22 44.8 +00 10 22   0.1947  1.1889   155.8    20.4    21.4
    ...
    2018 09 10    00 42 01.7 -02 52 19   0.1440  1.1414   157.5    19.8    20.7
    2018 09 11    00 46 24.0 -03 36 19   0.1359  1.1335   157.4    20.0    20.5
    2018 09 12    00 51 16.0 -04 25 45   0.1280  1.1256   157.1    20.4    20.4
    ...
    2018 09 18    01 38 03.7 -12 18 40   0.08422 1.0782   149.2    28.5    19.6
    ...
    2018 09 26    05 01 37.9 -33 47 59   0.05132 1.0159   103.5    73.7    19.8
    ...
    2018 10 11    10 19 05.5 -21 08 31   0.1302  0.9065    42.3   132.1    24.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R118
    

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