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  • MPEC 2018-A90 : 2018 AW3

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    M.P.E.C. 2018-A90                                Issued 2018 Jan. 15, 18:38 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 AW3
    
    Observations:
         K18A03W* C2018 01 12.28919 08 28 39.82 +27 55 45.4          21.4 GUEA090G96
         K18A03W  C2018 01 12.29438 08 28 38.78 +27 56 25.7          21.1 GUEA090G96
         K18A03W  C2018 01 12.29957 08 28 37.74 +27 57 05.1          21.7 GUEA090G96
         K18A03W  C2018 01 12.30476 08 28 36.74 +27 57 43.4          22.4 GUEA090G96
         K18A03W  C2018 01 12.39850 08 28 18.49 +28 09 30.2          21.3 GUEA090G96
         K18A03W  C2018 01 12.40012 08 28 18.17 +28 09 42.6          20.1 GUEA090G96
         K18A03W  C2018 01 12.40173 08 28 17.83 +28 09 52.7          20.9 GUEA090G96
         K18A03W  C2018 01 12.40335 08 28 17.70 +28 10 03.9          20.2 GUEA090G96
         K18A03W  C2018 01 14.48371 08 21 53.02 +32 25 29.5          21.0 GUEA090G96
         K18A03W  C2018 01 14.48532 08 21 52.65 +32 25 41.6                UEA090G96
         K18A03W  C2018 01 14.48694 08 21 52.36 +32 25 52.1                UEA090G96
         K18A03W  C2018 01 14.48856 08 21 51.99 +32 26 04.4                UEA090G96
         K18A03W  C2018 01 15.17283208 19 44.56 +33 47 32.7          21.6 GUEA090H01
         K18A03W  C2018 01 15.17605408 19 43.89 +33 47 55.9          21.7 GUEA090H01
         K18A03W  C2018 01 15.18628808 19 41.76 +33 49 09.5          21.3 GUEA090H01
         K18A03W  C2018 01 15.19848408 19 39.21 +33 50 37.2          21.5 GUEA090H01
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers D. C. Fuls, A. R. Gibbs.  Measurers
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
        F. C. Shelly.  1.5-m reflector + 10K CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    
    Orbital elements:
    2018 AW3                                                 Earth MOID = 0.0549 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  14.44175              (2000.0)            P               Q
    n   0.89432003     Peri.  222.56760     +0.83712729     +0.39682928
    a   1.0669418      Node   110.37043     -0.32753559     +0.91488244
    e   0.1263449      Incl.   23.67857     -0.43810767     +0.07427411
    P   1.10           H   24.1           G   0.15           U   8
    Residuals in seconds of arc
    180112 G96  0.5+  0.8-    180112 G96  0.0   0.6+    180115 H01  0.0   0.0
    180112 G96  0.1+  0.3+    180112 G96 (2.4+  0.3-)   180115 H01  0.0   0.0
    180112 G96  0.4-  0.4+    180114 G96  0.2+  0.2-    180115 H01  0.0   0.0
    180112 G96  0.3-  0.5-    180114 G96  0.3-  0.4+    180115 H01  0.0   0.1+
    180112 G96 (0.4+  2.2+)   180114 G96  0.2+  0.6-
    180112 G96 (0.3+  2.5+)   180114 G96  0.3-  0.2+
    
    Ephemeris:
    2018 AW3                 a,e,i = 1.07, 0.13, 24                  q = 0.9321
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 12 16    09 05 26.4 -16 19 36   0.2624  1.1201   114.8    52.9    23.4
    ...
    2017 12 31    08 55 09.4 +03 01 06   0.1987  1.1458   141.7    32.2    22.2
    ...
    2018 01 08    08 40 03.6 +18 50 14   0.1840  1.1579   159.9    17.0    21.6
    ...
    2018 01 14    08 23 27.4 +31 27 05   0.1870  1.1661   166.2    11.6    21.5
    2018 01 15    08 20 15.9 +33 27 10   0.1887  1.1674   165.6    12.1    21.5
    2018 01 16    08 16 57.9 +35 24 05   0.1908  1.1687   164.5    13.0    21.6
    ...
    2018 01 22    07 55 20.2 +45 40 25   0.2095  1.1758   153.8    21.7    22.1
    ...
    2018 01 30    07 24 51.2 +55 07 29   0.2477  1.1841   139.4    32.8    22.8
    ...
    2018 02 14    06 42 50.2 +63 15 08   0.3393  1.1953   120.3    45.5    23.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-A90
    

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