• MPC Preparation (Info)

  • MPEC 2018-X09 : 2018 WG2

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    M.P.E.C. 2018-X09                                Issued 2018 Dec. 1, 04:26 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 WG2
    
    Observations:
         K18W02G* C2018 11 29.23915 03 39 43.09 +22 29 46.6          19.2 GVEX009G96
         K18W02G  C2018 11 29.25024 03 39 20.24 +22 33 40.4          19.1 GVEX009G96
         K18W02G  C2018 11 29.25578 03 39 08.56 +22 35 37.5          19.7 GVEX009G96
         K18W02G  C2018 11 29.38947 03 34 04.12 +23 23 58.0          19.4 GVEX009I52
         K18W02G  C2018 11 29.38985 03 34 03.28 +23 24 06.4          18.7 GVEX009I52
         K18W02G  C2018 11 29.39023 03 34 02.30 +23 24 15.2          18.4 GVEX009I52
         K18W02G  C2018 11 29.39062 03 34 01.42 +23 24 22.5          18.9 GVEX009I52
         K18W02G EC2018 11 29.87937403 12 34.83 +28 05 29.3          18.8 GVEX009J95
         K18W02G KC2018 11 29.88495903 12 06.59 +28 10 23.9          18.6 GVEX009J95
         K18W02G KC2018 11 29.88665603 11 57.91 +28 11 53.8          18.7 GVEX009J95
         K18W02G KC2018 11 29.88946603 11 43.50 +28 14 23.6          18.7 GVEX009J95
         K18W02G KC2018 11 29.98797203 02 10.95 +29 47 13.8          18.6 GVEX009J95
         K18W02G KC2018 11 29.98974903 01 59.41 +29 49 00.6          18.5 GVEX009J95
         K18W02G KC2018 11 29.99189403 01 45.38 +29 51 09.6          18.5 GVEX009J95
         K18W02G KC2018 11 30.72667422 15 06.95 +47 51 57.4          18.1 GVEX009J95
         K18W02G KC2018 11 30.72828422 13 28.41 +47 49 19.9          19.0 GVEX009J95
         K18W02G KC2018 11 30.73122622 10 28.48 +47 44 16.5          17.5 GVEX009J95
         K18W02G KC2018 11 30.73289522 08 46.44 +47 41 14.7          19.0 GVEX009J95
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer B. M. Africano.  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.  Observer 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2018 WG2                                                 Earth MOID = 0.0012 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  74.07803              (2000.0)            P               Q
    n   0.84547657     Peri.   80.03635     -0.80459920     -0.59368086
    a   1.1076477      Node    63.54387     +0.53907543     -0.73927682
    e   0.2375780      Incl.    0.81748     +0.24903374     -0.31782513
    P   1.17           H   30.1           G   0.15           U   5
    Residuals in seconds of arc
    181129 G96 (3.8-  1.4+)   181129 I52  0.2-  0.6-    181129 J95  0.1+  0.1+
    181129 G96  0.1+  0.2-    181129 J95  0.1+  0.1-    181129 J95  0.2-  0.0
    181129 G96  0.5+  0.9-    181129 J95  0.0   0.2-    181130 J95  0.1+  0.6+
    181129 I52  0.6-  0.4+    181129 J95  0.2-  0.3-    181130 J95  0.5-  0.8+
    181129 I52  0.3+  0.4+    181129 J95  0.1-  0.1+    181130 J95  0.1-  0.6+
    181129 I52  0.8-  0.8+    181129 J95  0.1-  0.0     181130 J95  0.4+  0.4-
    
    Ephemeris:
    2018 WG2                 a,e,i = 1.11, 0.24, 1                   q = 0.8445
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 11 01    04 10 54.5 +14 04 49   0.1199  1.1016   154.0    23.3    26.8
    ...
    2018 11 16    04 13 31.4 +14 12 44   0.05646 1.0442   167.3    12.0    24.7
    ...
    2018 11 24    04 09 19.2 +15 18 26   0.02565 1.0129   174.1     5.8    22.6
    ...
    2018 11 30    03 01 44.0 +30 15 30   0.0033120.9894   159.9    20.1    18.7
    2018 12 01    18 58 43.6 +28 22 53   0.0015430.9854    62.1   117.9    20.7
    2018 12 02    16 50 19.3 -04 15 07   0.0047470.9815    18.2   161.7    30.0
    ...
    2018 12 08    16 12 23.1 -14 45 34   0.02716 0.9587    13.2   166.4
    ...
    2018 12 16    16 09 21.3 -16 05 52   0.05805 0.9302    20.8   157.9    34.0
    ...
    2018 12 31    16 16 26.5 -17 25 37   0.1219  0.8847    33.8   141.7    32.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X09
    

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