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  • MPEC 2018-N59 : 2018 NG2

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    M.P.E.C. 2018-N59                                Issued 2018 July 12, 16:44 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 NG2
    
    Observations:
         K18N02G* C2018 07 08.51930 21 35 17.990-23 53 49.28         21.5 wUEN059F51
         K18N02G  C2018 07 08.52924 21 35 17.145-23 53 23.81         21.3 wUEN059F51
         K18N02G  C2018 07 08.53920 21 35 16.293-23 52 58.29         21.0 wUEN059F51
         K18N02G  C2018 07 08.54916 21 35 15.453-23 52 32.84         20.6 wUEN059F51
         K18N02G KC2018 07 09.44566 21 34 07.12 -23 13 55.4          20.3 RoEN059291
         K18N02G KC2018 07 09.44866 21 34 06.87 -23 13 47.8          20.8 RoEN059291
         K18N02G KC2018 07 09.45166 21 34 06.57 -23 13 40.1          20.8 RoEN059291
         K18N02G KC2018 07 10.34452021 32 55.22 -22 34 21.8          20.9 VuEN059H21
         K18N02G KC2018 07 10.34858321 32 54.85 -22 34 11.1          20.7 VuEN059H21
         K18N02G KC2018 07 10.35670521 32 54.10 -22 33 49.2          20.8 VuEN059H21
         K18N02G KC2018 07 12.63034 21 29 34.36 -20 49 17.7          19.9 GUEN059474
         K18N02G KC2018 07 12.63245 21 29 34.12 -20 49 11.9          20.1 GUEN059474
         K18N02G KC2018 07 12.63456 21 29 33.91 -20 49 05.8          20.2 GUEN059474
         K18N02G KC2018 07 12.63667 21 29 33.69 -20 48 59.9          20.1 GUEN059474
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
        1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2018 NG2                                                 Earth MOID = 0.2800 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 279.78009              (2000.0)            P               Q
    n   0.53585553     Peri.   22.88937     +0.78731198     +0.55307147
    a   1.5011966      Node   300.67704     -0.60328263     +0.59983586
    e   0.1434139      Incl.   18.47133     -0.12723960     +0.57819451
    P   1.84           H   21.5           G   0.15           U   7
    Residuals in seconds of arc
    180708 F51  0.0   0.1-    180709 291  0.4+  0.2+    180712 474  0.2+  0.1+
    180708 F51  0.0   0.0     180709 291  0.1-  0.0     180712 474  0.1-  0.1-
    180708 F51  0.1-  0.0     180710 H21  0.3-  0.3-    180712 474  0.0   0.1+
    180708 F51  0.0   0.1-    180710 H21  0.2-  0.5-    180712 474  0.1-  0.0
    180709 291  0.2+  0.5+    180710 H21  0.3-  0.3-
    
    Ephemeris:
    2018 NG2                 a,e,i = 1.50, 0.14, 18                  q = 1.2859
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 06 12    21 39 40.3 -37 29 01   0.4829  1.3421   123.2    39.3    22.1
    ...
    2018 06 27    21 43 57.8 -30 58 30   0.3906  1.3212   134.8    33.1    21.5
    ...
    2018 07 05    21 39 06.4 -26 17 11   0.3493  1.3118   142.7    28.0    21.0
    ...
    2018 07 11    21 32 00.3 -22 04 35   0.3235  1.3056   149.4    23.3    20.7
    2018 07 12    21 30 32.3 -21 18 52   0.3197  1.3047   150.6    22.5    20.7
    2018 07 13    21 28 59.8 -20 32 07   0.3161  1.3037   151.8    21.6    20.6
    ...
    2018 07 19    21 18 16.7 -15 31 41   0.2979  1.2986   158.9    16.4    20.3
    ...
    2018 07 27    21 01 02.5 -08 12 56   0.2844  1.2931   165.7    11.2    20.0
    ...
    2018 08 11    20 27 05.1 +04 55 58   0.2939  1.2869   155.5    19.0    20.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-N59
    

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