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  • MPEC 2018-R125: 2018 RE4

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    M.P.E.C. 2018-R125                               Issued 2018 Sept. 11, 17:11 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 RE4
    
    Observations:
         K18R04E* C2018 09 10.32339 01 43 48.48 +16 48 22.9          20.7 GVER125G96
         K18R04E  C2018 09 10.32854 01 43 48.48 +16 50 12.0          20.4 GVER125G96
         K18R04E  C2018 09 10.33369 01 43 48.49 +16 52 00.9          20.9 GVER125G96
         K18R04E  C2018 09 10.33884 01 43 48.52 +16 53 48.3          21.2 GVER125G96
         K18R04E  C2018 09 10.45977 01 43 47.25 +17 35 10.8          20.2 GVER125I52
         K18R04E  C2018 09 10.46172 01 43 47.20 +17 35 49.5                VER125I52
         K18R04E  C2018 09 10.46367 01 43 47.20 +17 36 28.7          20.2 GVER125I52
         K18R04E KC2018 09 11.01809101 44 58.51 +20 31 37.9          20.6 GVER125L01
         K18R04E KC2018 09 11.02116201 44 58.49 +20 32 33.5          20.7 GVER125L01
         K18R04E KC2018 09 11.02423401 44 58.50 +20 33 29.2          20.6 GVER125L01
         K18R04E KC2018 09 11.29732201 45 26.93 +21 53 27.2          21.3 VuER125H21
         K18R04E KC2018 09 11.30706501 45 26.81 +21 56 13.8          21.4 VuER125H21
         K18R04E KC2018 09 11.31230601 45 26.75 +21 57 43.5          21.3 VuER125H21
         K18R04E  C2018 09 11.36486 01 45 33.38 +22 13 03.6          20.1 G ER125I52
         K18R04E  C2018 09 11.36736 01 45 33.35 +22 13 45.8          20.8 G ER125I52
         K18R04E  C2018 09 11.36987 01 45 33.30 +22 14 27.7          20.5 G ER125I52
         K18R04E  C2018 09 11.37237 01 45 33.26 +22 15 10.0          20.5 G ER125I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.  1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + 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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2018 RE4                                                 Earth MOID = 0.0155 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 278.93929              (2000.0)            P               Q
    n   0.50585761     Peri.  348.71629     +0.91389108     +0.40498734
    a   1.5599734      Node   347.28285     -0.36182904     +0.78123431
    e   0.3464283      Incl.    7.32771     -0.18407290     +0.47503495
    P   1.95           H   27.1           G   0.15           U   5
    Residuals in seconds of arc
    180910 G96  0.0   0.5-    180910 I52  0.1+  0.0     180911 H21  0.3-  0.1+
    180910 G96  0.3-  0.0     180911 L01  0.2+  0.0     180911 I52  0.3-  0.2+
    180910 G96  0.3-  0.5+    180911 L01  0.1-  0.1-    180911 I52  0.0   0.2+
    180910 G96  0.1+  0.3-    180911 L01  0.1-  0.0     180911 I52  0.1+  0.3-
    180910 I52  0.3+  0.3+    180911 H21  0.1-  0.1-    180911 I52  0.3+  0.1-
    180910 I52  0.2-  0.1-    180911 H21  0.3-  0.2-
    
    Ephemeris:
    2018 RE4                 a,e,i = 1.56, 0.35, 7                   q = 1.0196
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 12    14 59 35.8 -71 35 49   0.08785 1.0357   102.3    73.0    24.4
    ...
    2018 08 27    18 36 49.3 -84 03 44   0.03826 1.0201   103.5    74.4    22.7
    ...
    2018 09 04    01 17 11.6 -44 48 28   0.01822 1.0206   130.9    48.3    20.3
    ...
    2018 09 10    01 42 58.5 +14 53 57   0.02421 1.0251   137.6    41.5    20.7
    2018 09 11    01 44 52.0 +20 28 16   0.02687 1.0262   135.5    43.4    21.0
    2018 09 12    01 46 25.2 +24 59 33   0.02973 1.0274   133.8    45.0    21.2
    ...
    2018 09 18    01 51 13.7 +39 43 35   0.04918 1.0364   128.6    49.2    22.5
    ...
    2018 09 26    01 51 19.6 +46 35 03   0.07719 1.0533   129.3    47.4    23.4
    ...
    2018 10 11    01 43 25.5 +49 10 41   0.1320  1.0984   136.8    38.5    24.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R125
    

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