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  • MPEC 2018-X113: 2018 XW3

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    M.P.E.C. 2018-X113                               Issued 2018 Dec. 14, 15:36 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 XW3
    
    Observations:
         K18X03W* C2018 12 13.22960 03 57 24.09 +14 23 48.3          20.1 GVEX113G96
         K18X03W  C2018 12 13.23515 03 57 30.69 +14 24 05.6          19.5 GVEX113G96
         K18X03W  C2018 12 13.24070 03 57 37.25 +14 24 22.3          19.8 GVEX113G96
         K18X03W  C2018 12 13.24625 03 57 43.81 +14 24 40.4                VEX113G96
         K18X03W  C2018 12 13.38934 04 00 30.13 +14 31 19.2          20.1 GVEX113I52
         K18X03W  C2018 12 13.39025 04 00 31.21 +14 31 21.5          19.2 GVEX113I52
         K18X03W  C2018 12 13.39115 04 00 32.18 +14 31 23.1                VEX113I52
         K18X03W  C2018 12 13.42784 04 01 14.53 +14 32 55.4          19.8 GVEX113I52
         K18X03W  C2018 12 13.42904 04 01 15.93 +14 32 58.0          20.3 GVEX113I52
         K18X03W  C2018 12 13.43024 04 01 17.36 +14 33 01.0          19.9 GVEX113I52
         K18X03W KC2018 12 13.85908004 09 27.80 +14 50 06.5          19.8 GVEX113J95
         K18X03W KC2018 12 13.87367504 09 41.83 +14 50 40.3          19.9 GVEX113J95
         K18X03W KC2018 12 13.88850604 09 55.94 +14 51 14.9          19.9 GVEX113J95
         K18X03W  C2018 12 14.25577 04 15 39.71 +15 04 50.1          19.9 GVEX113I52
         K18X03W  C2018 12 14.25674 04 15 40.48 +15 04 51.9          20.1 GVEX113I52
         K18X03W  C2018 12 14.25771 04 15 41.26 +15 04 53.7          20.0 GVEX113I52
         K18X03W  C2018 12 14.25868 04 15 42.06 +15 04 55.6          20.0 GVEX113I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. M. Africano,
        E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, 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 H. Groeller.
        Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, 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 XW3                                                 Earth MOID = 0.0003 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 106.13150              (2000.0)            P               Q
    n   0.56798367     Peri.  110.61496     +0.99294768     -0.11044422
    a   1.4440386      Node   255.74541     +0.08529592     +0.91798303
    e   0.4553601      Incl.    2.54831     +0.08233784     +0.38093206
    P   1.74           H   26.3           G   0.15           U   7
    Residuals in seconds of arc
    181213 G96  0.1+  0.1-    181213 I52  0.5-  0.2-    181213 J95  0.2-  0.1-
    181213 G96  0.1+  0.0     181213 I52  0.2-  0.1-    181214 I52  0.2+  0.2+
    181213 G96  0.2-  0.3-    181213 I52  0.0   0.5-    181214 I52  0.1-  0.2+
    181213 G96  0.4-  0.9+    181213 I52  0.7+  0.5-    181214 I52  0.1-  0.2+
    181213 I52  0.0   0.6+    181213 J95  0.0   0.2+    181214 I52  0.1+  0.3+
    181213 I52  0.5+  0.5+    181213 J95  0.2+  0.3-
    
    Ephemeris:
    2018 XW3                 a,e,i = 1.44, 0.46, 3                   q = 0.7865
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 11 14    17 46 02.7 -17 30 27   0.1940  0.8398    35.8   136.5    28.8
    ...
    2018 11 29    18 21 50.4 -17 05 19   0.07603 0.9210    29.4   148.3    28.6
    ...
    2018 12 07    20 35 43.2 -13 49 11   0.02077 0.9730    53.3   125.7    23.1
    ...
    2018 12 13    03 52 12.8 +14 12 40   0.03229 1.0144   157.6    21.7    19.9
    2018 12 14    04 11 41.6 +14 57 30   0.03910 1.0215   161.1    18.2    20.2
    2018 12 15    04 25 27.1 +15 25 33   0.04613 1.0285   163.3    16.0    20.5
    ...
    2018 12 21    05 02 19.5 +16 28 37   0.09036 1.0716   165.9    13.0    22.0
    ...
    2018 12 29    05 18 38.5 +16 58 18   0.1530  1.1299   162.1    15.5    23.3
    ...
    2019 01 13    05 33 44.6 +17 41 10   0.2837  1.2392   151.0    22.6    25.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X113
    

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