• MPC Preparation (Info)

    • MPEC 2018-B83 : 2018 AM18

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    M.P.E.C. 2018-B83                                Issued 2018 Jan. 21, 23:30 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 AM18

Observations:
     K18A18M* C2018 01 15.47118 10 22 33.546+11 28 16.45         21.4 wUEB083F51
     K18A18M  C2018 01 15.48349 10 22 36.888+11 26 58.76         21.5 wUEB083F51
     K18A18M  C2018 01 15.49585 10 22 40.273+11 25 40.13         21.6 wUEB083F51
     K18A18M _C2018 01 16.51722810 27 55.265+09 35 31.97         21.3 GUEB083568
     K18A18M _C2018 01 16.51817010 27 55.518+09 35 25.82         21.2 GUEB083568
     K18A18M _C2018 01 16.51911510 27 55.773+09 35 19.66         21.4 GUEB083568
     K18A18M  C2018 01 20.57839 10 48 41.769+01 53 26.89         21.6 wUEB083F51
     K18A18M  C2018 01 20.59042 10 48 44.931+01 52 02.68         21.6 wUEB083F51
     K18A18M  C2018 01 20.60245 10 48 48.119+01 50 38.19         21.4 wUEB083F51

Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.

Orbital elements:
2018 AM18                                                Earth MOID = 0.0587 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 278.88413              (2000.0)            P               Q
n   0.52811334     Peri.  200.27953     -0.75642968     -0.64861390
a   1.5158328      Node   298.99484     +0.61261313     -0.65738211
e   0.3163593      Incl.    5.53374     +0.22917089     -0.38359974
P   1.87           H   25.2           G   0.15           U   5
Residuals in seconds of arc
180115 F51  0.0   0.0     180116 568  0.0   0.0     180120 F51  0.0   0.2-
180115 F51  0.3-  0.2+    180116 568  0.0   0.0     180120 F51  0.1-  0.1+
180115 F51  0.1+  0.1-    180116 568  0.0   0.0     180120 F51  0.1-  0.1+

Ephemeris:
2018 AM18                a,e,i = 1.52, 0.32, 6                   q = 1.0363
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 12 22    08 27 56.1 +36 40 10   0.1562  1.1163   145.7    29.8    22.7
...
2018 01 06    09 34 29.4 +25 28 24   0.1060  1.0731   146.2    30.6    21.8
...
2018 01 14    10 14 55.5 +14 01 25   0.08932 1.0562   142.8    34.3    21.5
...
2018 01 20    10 45 46.0 +03 01 34   0.08274 1.0467   137.7    39.2    21.4
2018 01 21    10 50 51.0 +01 04 45   0.08217 1.0454   136.7    40.2    21.5
2018 01 22    10 55 54.1 -00 52 47   0.08176 1.0442   135.6    41.2    21.5
...
2018 01 28    11 25 15.7 -12 24 56   0.08236 1.0387   129.1    47.4    21.6
...
2018 02 05    12 00 31.1 -25 26 34   0.08983 1.0361   121.9    53.9    22.0
...
2018 02 20    12 48 54.5 -40 03 13   0.1146  1.0463   117.3    57.1    22.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B83

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