[Iaude] MPEC Y83: 2018 AP18 [a=2.07,e=0.77,i=9.8,H=17.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Dec 27 14:51:16 EST 2018


M.P.E.C. 2018-Y83                                Issued 2018 Dec. 27, 19:48 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2018 AP18
 
                          Revision to MPEC 2018-B118
 
Additional Observations:
     K18A18P  C2015 01 20.43840710 43 47.452+10 56 07.91         22.0 GVEY083F51
     K18A18P  C2015 01 20.45181910 43 46.713+10 56 12.33         22.0 GVEY083F51
     K18A18P  C2015 01 20.46520010 43 45.921+10 56 16.01         22.3 GVEY083F51
     K18A18P  C2015 01 20.47864610 43 45.174+10 56 19.90         22.5 GVEY083F51
     K18A18P  C2015 01 22.45059810 41 53.627+11 05 59.10         22.6 GVEY083F51
     K18A18P  C2015 01 22.46418810 41 52.832+11 06 03.37         22.0 GVEY083F51
     K18A18P  C2015 01 22.49153810 41 51.205+11 06 11.62         22.1 GVEY083F51
     K18A18P  C2015 02 17.38566410 11 46.583+13 31 18.96         22.1 GVEY083F51
     K18A18P  C2015 02 17.39845110 11 45.606+13 31 23.29         22.3 GVEY083F51
     K18A18P  C2015 02 17.41128810 11 44.610+13 31 27.47         22.2 GVEY083F51
     K18A18P  C2015 02 17.42416610 11 43.614+13 31 32.03         22.1 GVEY083F51
     K18A18P KC2016 01 08.63231512 26 22.710-05 43 34.70         22.8 GVEY083F51
     K18A18P  C2017 12 28.56054310 59 52.794+09 20 37.04         22.8 GVEY083F51
     K18A18P  C2018 02 12.40454510 20 01.177+12 42 42.34         22.6 GVEY083F51
     K18A18P  C2018 02 12.42796310 19 59.401+12 42 50.41         22.2 GVEY083F51
     K18A18P  C2018 02 12.43976410 19 58.505+12 42 54.39         22.1 GVEY083F51
     K18A18P  C2018 03 07.24484409 52 30.420+14 39 51.03         23.4 GVEY083F51
     K18A18P  C2018 03 07.26810209 52 28.894+14 39 57.16         23.0 GVEY083F51
     K18A18P  C2018 03 07.27970809 52 28.138+14 40 00.15         23.4 GVEY083F51
 
Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150120 F51 0.04- 0.03+    180307 F51  1.7-  1.4+    MPO438049   -0.60 day
 
Orbital elements:
2018 AP18                                                Earth MOID = 0.1607 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 252.41536              (2000.0)            P               Q
n   0.33029725     Peri.    7.17565     +0.96755057     +0.24471329
a   2.0726823      Node   338.34226     -0.23947521     +0.80863178
e   0.7678550      Incl.    9.81908     -0.08060717     +0.53500472
P   2.98           H   17.7           G   0.15           U   2
Residuals in seconds of arc
150120 F51  0.0   0.2-    180115 F51  0.1+  0.2+    180205 695  0.1+  0.1-
150120 F51  0.3+  0.3+    180115 F51  0.0   0.0     180205 695  0.1+  0.1+
150120 F51  0.3-  0.1+    180115 F51  0.0   0.3+    180205 695  0.0   0.1+
150120 F51  0.1-  0.1+    180115 F51  0.0   0.1-    180212 F51  0.1-  0.1+
150122 F51  0.1-  0.2-    180116 568  0.0   0.0     180212 F51  0.0   0.0
150122 F51  0.0   0.0     180116 568  0.0   0.0     180212 F51  0.1+  0.1-
150122 F51  0.1-  0.0     180116 568  0.0   0.0     180213 H21  0.0   0.6-
150217 F51  0.1+  0.0     180119 568  0.0   0.0     180213 H21  0.1+  0.7-
150217 F51  0.2+  0.0     180119 568  0.1-  0.1+    180213 H21  0.4-  0.6-
150217 F51  0.1+  0.1-    180119 568  0.0   0.1+    180307 F51  0.3-  0.3-
150217 F51  0.0   0.1+    180123 807  0.2+  0.2-    180307 F51  0.1-  0.0
160108 F51  0.0   0.1+    180123 807  0.2+  0.0     180307 F51  0.0   0.1+
171228 F51  0.1+  0.1-    180123 807  0.0   0.1-

Ephemeris:
2018 AP18                a,e,i = 2.07, 0.77, 10                  q = 0.4812
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 27    12 10 51.0 -03 09 03   4.0040  3.6246    60.7    13.7    24.3
...
2018 12 12    12 19 30.8 -04 23 04   3.7603  3.6053    73.4    15.2    24.2
...
2018 12 20    12 23 06.6 -04 57 04   3.6219  3.5933    80.5    15.7    24.1
...
2018 12 26    12 25 15.4 -05 19 37   3.5156  3.5837    86.0    15.9    24.1
2018 12 27    12 25 33.8 -05 23 06   3.4978  3.5820    86.9    15.9    24.1
2018 12 28    12 25 51.4 -05 26 30   3.4799  3.5803    87.8    15.9    24.0
...
2019 01 03    12 27 17.1 -05 45 10   3.3722  3.5698    93.5    16.0    24.0
...
2019 01 11    12 28 14.5 -06 04 52   3.2288  3.5548   101.3    15.7    23.9
...
2019 01 26    12 26 44.1 -06 23 16   2.9689  3.5235   116.8    14.4    23.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y83



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