• MPC Preparation (Info)

  • MPEC 2018-R162: 2018 RZ5

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    M.P.E.C. 2018-R162                               Issued 2018 Sept. 14, 19:28 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 RZ5
    
    Observations:
         K18R05Z* C2018 09 13.30230 00 28 24.67 -20 28 23.2          19.2 GUER162703
         K18R05Z  C2018 09 13.30766 00 28 30.80 -20 29 16.5          19.3 GUER162703
         K18R05Z  C2018 09 13.31302 00 28 36.69 -20 30 07.1          19.5 GUER162703
         K18R05Z  C2018 09 13.31838 00 28 42.44 -20 30 57.3          18.8 GUER162703
         K18R05Z KC2018 09 13.38303 00 29 43.53 -20 38 52.6          19.2 RoER162291
         K18R05Z KC2018 09 13.38385 00 29 44.20 -20 38 57.6          19.4 RoER162291
         K18R05Z KC2018 09 13.38467 00 29 44.87 -20 39 02.4          19.3 RoER162291
         K18R05Z  C2018 09 13.43573 00 30 23.45 -20 43 28.2          19.2 GUER162I52
         K18R05Z  C2018 09 13.43597 00 30 23.64 -20 43 28.9          19.8 GUER162I52
         K18R05Z  C2018 09 13.43622 00 30 23.85 -20 43 30.5          19.8 GUER162I52
         K18R05Z  C2018 09 13.43646 00 30 24.01 -20 43 31.6          20.0 GUER162I52
         K18R05Z KC2018 09 13.70322 00 34 01.30 -20 45 55.1          20.4 GVER162Q63
         K18R05Z KC2018 09 13.70664 00 34 02.13 -20 46 04.5          20.4 GVER162Q63
         K18R05Z KC2018 09 13.71007 00 34 02.99 -20 46 13.9          20.4 GVER162Q63
         K18R05Z KC2018 09 13.71433 00 34 04.06 -20 46 25.4          20.5 GVER162Q63
         K18R05Z KC2018 09 14.30674 00 37 41.30 -21 15 25.5          22.0 RoER162691
         K18R05Z KC2018 09 14.31746 00 37 41.16 -21 15 37.1          21.8 RoER162691
         K18R05Z KC2018 09 14.32818 00 37 40.96 -21 15 47.7          22.3 RoER162691
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  0.9-m f/3
        reflector + CCD.
    703 Catalina Sky Survey.  Observer 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.  0.68-m Schmidt + 10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
        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.
    Q63 Siding Spring-LCO A.  Observers T. Lister, J. Chatelain, E. Gomez,
        S. Greenstreet.  Measurer T. Lister.  1.0-m f/8.0 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2018 RZ5                                                 Earth MOID = 0.0001 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 329.93561              (2000.0)            P               Q
    n   0.22758587     Peri.  112.31169     +0.21422583     +0.97596280
    a   2.6568836      Node   169.80933     -0.95864394     +0.21793565
    e   0.7193566      Incl.   13.08295     -0.18737418     +0.00082058
    P   4.33           H   29.7           G   0.15           U   5
    Residuals in seconds of arc
    180913 703  0.0   0.3+    180913 291  0.3-  0.4+    180913 Q63  0.3+  0.6-
    180913 703  0.9+  0.2-    180913 I52  0.1-  0.1-    180913 Q63  0.4+  0.5-
    180913 703  0.6+  0.3+    180913 I52  0.1+  0.2+    180913 Q63  0.5+  0.6-
    180913 703  0.6+  0.5-    180913 I52  0.4+  0.3-    180914 691  0.5-  0.1-
    180913 291  0.3-  0.3+    180913 I52  0.2+  0.4-    180914 691  0.0   0.2+
    180913 291  0.3-  0.3+    180913 Q63  0.5+  0.8-    180914 691  0.2+  0.7+
    
    Ephemeris:
    2018 RZ5                 a,e,i = 2.66, 0.72, 13                  q = 0.7456
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 15    12 19 47.4 +19 50 07   0.3456  0.7766    39.2   124.4    32.0
    ...
    2018 08 30    12 32 59.1 +20 36 00   0.1598  0.8770    31.2   143.4    32.8
    ...
    2018 09 07    12 35 56.1 +20 56 52   0.06674 0.9490    27.2   151.0    32.3
    ...
    2018 09 13    00 04 14.9 -17 22 20   0.0018711.0081   163.2    16.7    17.0
    2018 09 14    00 38 27.7 -21 14 35   0.01326 1.0181   155.2    24.5    21.5
    2018 09 15    00 41 05.6 -21 30 36   0.02467 1.0282   154.9    24.6    22.9
    ...
    2018 09 21    00 42 55.7 -21 35 52   0.09350 1.0901   155.8    22.2    25.8
    ...
    2018 09 29    00 42 19.5 -21 12 05   0.1874  1.1756   156.0    20.3    27.4
    ...
    2018 10 14    00 41 21.5 -19 41 48   0.3766  1.3398   151.1    21.1    29.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R162
    

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