• MPC Preparation (Info)

  • MPEC 2018-R68 : 2018 RU1

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    M.P.E.C. 2018-R68                                Issued 2018 Sept. 8, 23:10 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 RU1
    
    Observations:
         K18R01U* C2018 09 06.39823 22 35 32.61 +02 06 13.0          20.8 GVER068G96
         K18R01U  C2018 09 06.40380 22 35 32.31 +02 06 23.9          20.5 GVER068G96
         K18R01U  C2018 09 06.40937 22 35 32.02 +02 06 34.8          20.6 GVER068G96
         K18R01U  C2018 09 06.41495 22 35 31.74 +02 06 45.5          20.2 GVER068G96
         K18R01U  C2018 09 06.45231 22 35 29.94 +02 07 56.1          19.6 GVER068I52
         K18R01U  C2018 09 06.45356 22 35 29.86 +02 07 58.0          19.7 GVER068I52
         K18R01U  C2018 09 06.45620 22 35 29.78 +02 08 02.8          19.4 GVER068I52
         K18R01U  C2018 09 06.45787 22 35 29.67 +02 08 06.3          19.6 GVER068I52
         K18R01U KC2018 09 06.54747 22 35 27.10 +02 11 35.0          20.5 GVER068474
         K18R01U KC2018 09 06.55099 22 35 26.91 +02 11 41.5          20.6 GVER068474
         K18R01U KC2018 09 06.55451 22 35 26.74 +02 11 48.3          20.3 GVER068474
         K18R01U KC2018 09 06.88752 22 35 13.81 +02 21 39.7          21.0 RqER068K63
         K18R01U KC2018 09 06.89060 22 35 13.71 +02 21 45.2          20.9 RqER068K63
         K18R01U KC2018 09 06.89314 22 35 13.60 +02 21 49.9          20.7 RqER068K63
         K18R01U  C2018 09 07.21146 22 35 00.52 +02 32 03.2          20.3 GVER068I52
         K18R01U  C2018 09 07.21222 22 35 00.48 +02 32 04.4          20.4 GVER068I52
         K18R01U  C2018 09 07.21361 22 35 00.41 +02 32 07.2          20.2 GVER068I52
         K18R01U  C2018 09 07.21437 22 35 00.37 +02 32 08.7          20.2 GVER068I52
         K18R01U  C2018 09 08.24078 22 34 17.35 +03 04 56.1          20.2 GVER068I52
         K18R01U  C2018 09 08.24219 22 34 17.26 +03 04 58.8          20.1 GVER068I52
         K18R01U  C2018 09 08.24449 22 34 17.14 +03 05 03.0          20.5 GVER068I52
         K18R01U  C2018 09 08.24726 22 34 17.01 +03 05 08.5          20.1 GVER068I52
         K18R01U KC2018 09 08.89262022 33 50.29 +03 25 45.5          20.5 GVER068L01
         K18R01U KC2018 09 08.89573222 33 50.16 +03 25 51.5          20.2 GVER068L01
    
    Observer details:
    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.
    G96 Mt. Lemmon Survey.  Observers B. M. Africano, H. Groeller.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers J. A. Johnson,
        G. J. Leonard.  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.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.41-m
        f/3.2 Newtonian 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 RU1                                                 Earth MOID = 0.2477 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 290.05226              (2000.0)            P               Q
    n   0.33470965     Peri.   50.49863     +0.94737499     -0.31069513
    a   2.0544263      Node   327.38990     +0.23175212     +0.83185304
    e   0.4052783      Incl.    8.22850     +0.22084289     +0.45987939
    P   2.94           H   22.2           G   0.15           U   7
    Residuals in seconds of arc
    180906 G96  0.2+  0.3-    180906 474  0.1+  0.0     180907 I52  0.1-  0.1+
    180906 G96  0.1-  0.1+    180906 474  0.1-  0.2-    180907 I52  0.1-  0.2+
    180906 G96  0.2-  0.4+    180906 474  0.1+  0.1-    180908 I52  0.1+  0.1+
    180906 G96  0.3-  0.5+    180906 K63  0.3-  0.1+    180908 I52  0.1-  0.1+
    180906 I52  0.0   0.3+    180906 K63  0.5+  0.3-    180908 I52  0.1-  0.1-
    180906 I52  0.3-  0.2-    180906 K63  0.8+  0.4-    180908 I52  0.1+  0.0
    180906 I52  0.3+  0.4-    180907 I52  0.1-  0.2+    180908 L01  0.2-  0.0
    180906 I52  0.1-  0.0     180907 I52  0.1-  0.0     180908 L01  0.2+  0.1-
    
    Ephemeris:
    2018 RU1                 a,e,i = 2.05, 0.41, 8                   q = 1.2218
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 09    22 47 28.7 -10 12 19   0.4046  1.3946   156.6    16.8    21.9
    ...
    2018 08 24    22 43 52.7 -04 27 33   0.3267  1.3334   169.3     8.1    21.0
    ...
    2018 09 01    22 39 14.8 -00 40 26   0.2979  1.3050   172.2     6.0    20.6
    ...
    2018 09 07    22 35 08.6 +02 25 33   0.2821  1.2860   169.1     8.5    20.6
    2018 09 08    22 34 26.9 +02 57 27   0.2800  1.2831   168.3     9.1    20.6
    2018 09 09    22 33 45.5 +03 29 32   0.2780  1.2801   167.5     9.8    20.6
    ...
    2018 09 15    22 29 54.5 +06 44 10   0.2687  1.2640   162.0    14.3    20.7
    ...
    2018 09 23    22 26 23.4 +11 00 47   0.2633  1.2463   154.5    20.3    20.8
    ...
    2018 10 08    22 28 33.5 +18 08 23   0.2709  1.2257   142.6    29.7    21.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R68
    

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