• MPC Preparation (Info)

  • MPEC 2018-O18 : S/2018 J 1

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    M.P.E.C. 2018-O18                                Issued 2018 July 17, 14:30 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
    
                                      S/2018 J 1
    
    Observations:
        SK18J010 .C2017 03 25.22365 13 12 58.740-06 20 57.96         22.7 rVEO018807
        SK18J010 .C2017 03 26.28417 13 12 25.567-06 16 51.01         22.8 rVEO018807
        SK18J010 .C2017 03 26.32711 13 12 24.185-06 16 40.79         22.8 rVEO018807
        SK18J010 .C2018 04 13.18029 15 18 02.988-16 44 56.21         23.0 rUEO018807
        SK18J010 .C2018 04 13.18651 15 18 02.873-16 44 56.07         23.0 rUEO018807
        SK18J010*.C2018 05 11.16075 15 06 18.025-16 17 25.90         22.9 rUEO018807
        SK18J010 .C2018 05 11.18101 15 06 17.413-16 17 24.60         23.0 rUEO018807
        SK18J010 .C2018 05 12.15448 15 05 49.276-16 16 13.94         23.0 rUEO018807
        SK18J010 .C2018 05 12.17641 15 05 48.631-16 16 12.33         23.0 rUEO018807
        SK18J010  C2018 05 18.25718 15 02 51.886-16 08 41.37         23.2 rUEO018304
        SK18J010  C2018 05 18.27592 15 02 51.335-16 08 39.82         23.3 rUEO018304
        SK18J010  C2018 05 19.14032 15 02 26.340-16 07 35.07         23.1 rUEO018304
        SK18J010  C2018 05 19.16694 15 02 25.530-16 07 32.91         23.1 rUEO018304
        SK18J010  C2018 06 12.19238 14 51 50.016-15 38 41.61         23.0 rVEO018G37
        SK18J010  C2018 06 12.20164 14 51 49.818-15 38 40.88         23.1 rVEO018G37
        SK18J010  C2018 06 15.41534414 50 40.434-15 35 19.13         22.73GVEO018T12
        SK18J010  C2018 06 15.42274914 50 40.285-15 35 18.72         22.87GVEO018T12
    
    Observer details:
    304 Las Campanas Observatory.  Observer S. S. Sheppard.  6.5-m Magellan-Baade
        telescope + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observer S. S. Sheppard.  4.0-m
        CTIO reflector + CCD.
    G37 Lowell Observatory-Discovery Channel Telescope.  Observers M. Devogele,
        N. Moskovitz.  Measurers S. S. Sheppard, C. Trujillo.  4-m Discovery
        Channel Telescope + CCD.
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + CCD.
    
    Orbital elements:
    S/2018 J 1
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 139.33114              (2000.0)            P               Q
    n   1.43769804     Peri.  346.68519     +0.14034132     -0.84969990
    a   0.0765586      Node    93.38919     +0.94865058     -0.03157990
    e   0.0943576      Incl.   30.60635     +0.28348968     +0.52632004
    P   0.69           H   15.9           P/d   250.40
    From 17 observations 2017 Mar. 25-2018 June 15, mean residual 0".16.
    
    Residuals in seconds of arc
    170325 807  0.0   0.2-    180511 807  0.0   0.0     180519 304  0.3-  0.1+
    170326 807  0.0   0.0     180512 807  0.2-  0.0     180612 G37  0.3-  0.5-
    170326 807  0.1-  0.2+    180512 807  0.1-  0.0     180612 G37  0.1-  0.4-
    180413 807  0.0   0.0     180518 304  0.1+  0.0     180615 T12  0.1-  0.0
    180413 807  0.1+  0.1-    180518 304  0.2+  0.1+    180615 T12  0.1+  0.0
    180511 807  0.1+  0.1+    180519 304  0.0   0.1-
    
    Gareth V. Williams           (C) Copyright 2018 MPC           M.P.E.C. 2018-O18
    

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