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    • MPEC 2012-G42 : 2012 GC5

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    M.P.E.C. 2012-G42                                Issued 2012 Apr. 14, 17:15 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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

                                   2012 GC5

Observations:
     K12G05C* C2012 04 12.34385 12 34 20.785-02 08 49.61         21.1 wLEG042F51
     K12G05C  C2012 04 12.35779 12 34 19.083-02 10 12.27         21.1 wLEG042F51
     K12G05C  C2012 04 12.37179 12 34 17.405-02 11 35.00         21.0 wLEG042F51
     K12G05C  C2012 04 12.38576 12 34 15.676-02 12 58.42         21.3 wLEG042F51
     K12G05C 2C2012 04 13.24570912 33 05.405-03 37 38.95         21.2 RtEG042568
     K12G05C 2C2012 04 13.24696412 33 05.272-03 37 46.42         21.1 RtEG042568
     K12G05C 2C2012 04 13.24821712 33 05.139-03 37 53.84         21.2 RtEG042568

Observer details:
568 Mauna Kea.  Observer A. Draginda.  Measurers D. J. Tholen, R. J. Wainscoat,
    M. Micheli.  3.6-m Canada-France-Hawaii Telescope.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
    Ritchey-Chretien + CCD.

Orbital elements:
2012 GC5                                                 Earth MOID = 0.0960 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 348.30936              (2000.0)            P               Q
n   0.63815692     Peri.  168.91032     -0.98025014     +0.18833395
a   1.3361372      Node    22.22266     -0.19145069     -0.82727410
e   0.1799120      Incl.    9.17915     -0.04956108     -0.52928999
P   1.54           H   25.4           G   0.15           U   7
Residuals in seconds of arc
120412 F51  0.0   0.1-    120412 F51  0.1-  0.2-    120413 568  0.0   0.0
120412 F51  0.2-  0.0     120413 568  0.0   0.0
120412 F51  0.2+  0.3+    120413 568  0.0   0.0

Ephemeris:
2012 GC5                 a,e,i = 1.34, 0.18, 9                   q = 1.0958
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 03 15    13 13 35.5 +33 01 24   0.1328  1.1023   142.2    33.6    22.6
...
2012 03 30    12 55 29.8 +18 35 20   0.1047  1.0959   157.1    20.8    21.7
...
2012 04 07    12 42 33.4 +06 39 07   0.09834 1.0964   165.5    13.2    21.3
...
2012 04 13    12 33 22.0 -03 12 52   0.09884 1.0987   165.6    13.1    21.3
2012 04 14    12 31 57.4 -04 50 50   0.09939 1.0993   164.9    13.7    21.4
2012 04 15    12 30 35.7 -06 27 47   0.1001  1.0998   164.1    14.5    21.4
...
2012 04 21    12 23 39.7 -15 34 07   0.1067  1.1042   157.3    20.6    21.8
...
2012 04 29    12 18 41.1 -25 28 14   0.1216  1.1123   148.2    28.5    22.3
...
2012 05 14    12 24 02.8 -37 09 34   0.1622  1.1340   136.6    37.8    23.2

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-G42

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