• MPC Preparation (Info)

    • MPEC 2018-A77 : 2018 AM3

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    M.P.E.C. 2018-A77                                Issued 2018 Jan. 14, 21:06 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 AM3

Observations:
     K18A03M* C2018 01 12.54081 07 57 53.319+12 42 16.84         21.6 wUEA077F51
     K18A03M  C2018 01 12.55419 07 57 57.086+12 43 33.66         21.9 wUEA077F51
     K18A03M  C2018 01 12.56760 07 58 00.864+12 44 51.06         21.4 wUEA077F51
     K18A03M KC2018 01 13.20422 08 01 21.79 +13 46 26.8                oEA077291
     K18A03M KC2018 01 13.20904 08 01 23.23 +13 46 55.1                oEA077291
     K18A03M KC2018 01 13.21387 08 01 24.63 +13 47 23.8                oEA077291
     K18A03M HC2018 01 13.97773 08 05 19.53 +15 01 47.9                UEA077204
     K18A03M KC2018 01 14.01847 08 05 31.37 +15 05 47.9          21.7 GUEA077204
     K18A03M IC2018 01 14.25292 08 06 46.75 +15 29 02.1                oEA077711
     K18A03M KC2018 01 14.25583 08 06 47.64 +15 29 19.1                oEA077711
     K18A03M IC2018 01 14.25881 08 06 48.48 +15 29 35.8                oEA077711
     K18A03M  C2018 01 14.28565 08 06 56.72 +15 32 13.5                UEA077G96
     K18A03M  C2018 01 14.29077 08 06 58.22 +15 32 43.5          20.4 GUEA077G96
     K18A03M  C2018 01 14.29589 08 06 59.70 +15 33 13.5          21.1 GUEA077G96
     K18A03M  C2018 01 14.30100 08 07 01.16 +15 33 42.8          20.4 GUEA077G96
     K18A03M KC2018 01 14.33319 08 07 10.56 +15 36 54.0                oEA077691
     K18A03M KC2018 01 14.34934 08 07 15.23 +15 38 29.0                oEA077691
     K18A03M KC2018 01 14.36664 08 07 20.22 +15 40 10.0                oEA077691

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector
    + CCD.
291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
    + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
    reducer.
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.
G96 Mt. Lemmon Survey.  Observer 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.

Orbital elements:
2018 AM3                                                 Earth MOID = 0.1244 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 316.91426              (2000.0)            P               Q
n   0.32720244     Peri.  356.84014     -0.40583648     -0.89572280
a   2.0857313      Node   117.03878     +0.84293575     -0.44363034
e   0.4695183      Incl.   11.76402     +0.35320825     +0.02954316
P   3.01           H   25.1           G   0.15           U   7
Residuals in seconds of arc
180112 F51  0.2-  0.1+    180113 204  0.6+  0.8-    180114 G96  0.3-  0.1+
180112 F51  0.2-  0.1+    180114 204  0.2+  0.1-    180114 G96  0.5-  0.8-
180112 F51  0.0   0.1-    180114 711  1.3-  0.1-    180114 691  0.2+  0.3+
180112 F51  0.0   0.1+    180114 711  0.6-  0.3-    180114 691  0.3+  0.4+
180113 291  0.3-  0.1+    180114 711  0.9-  1.2-    180114 691  0.2+  0.1-
180113 291  0.3+  0.1-    180114 G96  0.5-  0.5+
180113 291  0.3+  0.1+    180114 G96  0.3-  0.3+

Ephemeris:
2018 AM3                 a,e,i = 2.09, 0.47, 12                  q = 1.1064
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 12 15    06 19 27.0 -14 00 20   0.2099  1.1546   140.8    32.6    23.4
...
2017 12 30    07 00 03.2 -05 15 39   0.1519  1.1185   150.9    25.3    22.4
...
2018 01 07    07 31 32.4 +04 14 53   0.1319  1.1089   161.2    16.6    21.8
...
2018 01 13    08 00 15.8 +13 26 56   0.1245  1.1064   170.2     8.7    21.4
2018 01 14    08 05 25.8 +15 04 31   0.1240  1.1064   171.5     7.5    21.3
2018 01 15    08 10 41.3 +16 42 31   0.1237  1.1065   172.6     6.6    21.3
...
2018 01 21    08 43 38.7 +26 12 06   0.1269  1.1094   170.3     8.6    21.4
...
2018 01 29    09 27 53.3 +36 16 44   0.1426  1.1196   159.5    18.0    22.1
...
2018 02 13    10 32 30.6 +45 12 10   0.1963  1.1565   146.8    27.9    23.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-A77

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