• MPC Preparation (Info)

  • MPEC 2018-M89 : 2018 MD7

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    M.P.E.C. 2018-M89                                Issued 2018 June 24, 00:19 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 MD7
    
    Observations:
         K18M07D* C2018 06 21.38173 22 12 40.62 +30 03 06.8          20.8 GUEM089G96
         K18M07D  C2018 06 21.38655 22 12 41.37 +30 03 10.1          20.6 GUEM089G96
         K18M07D  C2018 06 21.39139 22 12 42.15 +30 03 13.0          20.7 GUEM089G96
         K18M07D  C2018 06 21.43145522 12 48.07 +30 03 36.1          21.4 GVEM089H01
         K18M07D  C2018 06 21.43642022 12 48.84 +30 03 38.9          20.8 GVEM089H01
         K18M07D  C2018 06 21.43672 22 12 49.12 +30 03 39.3          20.8 GUEM089I52
         K18M07D  C2018 06 21.44138122 12 49.59 +30 03 41.7          20.8 GVEM089H01
         K18M07D  C2018 06 21.44267 22 12 50.02 +30 03 44.0          21.0 GUEM089I52
         K18M07D  C2018 06 21.44577322 12 50.26 +30 03 44.2          21.4 GVEM089H01
         K18M07D  C2018 06 21.44744 22 12 50.79 +30 03 46.8                UEM089I52
         K18M07D  C2018 06 21.45313 22 12 51.65 +30 03 51.0                UEM089I52
         K18M07D  C2018 06 22.29854122 15 23.86 +30 11 01.0          21.2 GVEM089H01
         K18M07D  C2018 06 22.30262422 15 24.54 +30 11 03.6          20.9 GVEM089H01
         K18M07D  C2018 06 22.31209722 15 26.12 +30 11 09.8          20.6 GVEM089H01
         K18M07D  C2018 06 22.32046722 15 27.51 +30 11 15.2          20.4 GVEM089H01
         K18M07D KC2018 06 23.96511 22 20 27.02 +30 24 49.0          20.7 VSEM089L01
         K18M07D KC2018 06 23.96986 22 20 27.91 +30 24 52.0          20.8 VSEM089L01
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers B. M. Africano,
        E. J. Christensen, 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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
        Measurers B. M. Africano, E. J. Christensen, 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.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2018 MD7                                                 Earth MOID = 0.0019 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M  94.57803              (2000.0)            P               Q
    n   1.06627117     Peri.  312.51211     +0.04622701     -0.99370472
    a   0.9489084      Node   134.52789     +0.95334603     +0.01337832
    e   0.1090541      Incl.    8.22984     +0.29831930     +0.11122923
    P   0.92           H   22.6           G   0.15           U   8
    Residuals in seconds of arc
    180621 G96  0.2-  0.5-    180621 H01  0.0   0.5-    180622 H01  0.0   0.5-
    180621 G96  0.2-  0.3-    180621 I52  0.1-  0.2-    180622 H01  0.1-  0.5-
    180621 G96  0.1+  0.4-    180621 H01  0.0   0.5-    180622 H01  0.1-  0.5-
    180621 H01  0.0   0.5-    180621 I52  0.4+  0.1-    180623 L01  0.3-  0.4-
    180621 H01  0.1+  0.5-    180621 I52  0.4+  0.9+    180623 L01  0.4+  0.3-
    180621 I52  0.0   1.4-    180622 H01  0.0   0.4-
    
    Ephemeris:
    2018 MD7                 a,e,i = 0.95, 0.11, 8                   q = 0.8454
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 05 25    21 06 54.8 +24 43 16   0.2103  1.0481    93.9    74.6    21.9
    ...
    2018 06 09    21 40 14.8 +27 52 43   0.1811  1.0523    96.9    73.3    21.6
    ...
    2018 06 17    22 00 24.5 +29 21 13   0.1630  1.0519    98.3    72.9    21.3
    ...
    2018 06 23    22 17 26.7 +30 17 17   0.1487  1.0503    99.2    72.8    21.1
    2018 06 24    22 20 30.5 +30 25 33   0.1462  1.0499    99.3    72.8    21.1
    2018 06 25    22 23 38.8 +30 33 26   0.1438  1.0495    99.4    72.8    21.0
    ...
    2018 07 01    22 44 20.4 +31 12 12   0.1289  1.0466    99.9    73.1    20.8
    ...
    2018 07 09    23 18 38.2 +31 30 27   0.1088  1.0411   100.0    74.1    20.5
    ...
    2018 07 24    00 58 52.3 +27 42 09   0.07461 1.0262    95.9    80.0    19.8
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-M89
    

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