• Processing (Info)

    • MPEC 2011-H64 : 2011 HC36

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    M.P.E.C. 2011-H64                                Issued 2011 Apr. 30, 22:11 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

                                   2011 HC36

Observations:
     K11H36C* C2011 04 28.39370 14 46 21.312-01 21 38.91         21.2 gLEH064F51
     K11H36C  C2011 04 28.40903 14 46 20.199-01 21 05.55         21.1 gLEH064F51
     K11H36C  C2011 04 28.42554 14 46 18.983-01 20 29.52         20.7 rLEH064F51
     K11H36C  C2011 04 28.44011 14 46 17.895-01 19 57.74         20.9 rLEH064F51
     K11H36C  C2011 04 30.20546 14 44 16.82 -00 15 01.8          21.3  cEH064926
     K11H36C  C2011 04 30.21032 14 44 16.45 -00 14 50.9          21.3  cEH064926
     K11H36C KC2011 04 30.30131914 44 09.13 -00 11 29.5          20.9 VtEH064H21
     K11H36C KC2011 04 30.33347614 44 06.74 -00 10 18.1          21.2 VtEH064H21

Observer details:
926 Tenagra II Observatory.  Observers S. Abe, J. K. Guo, W. P. Chen.
    Measurer S. Abe.  0.81-m f/7 Ritchey-Chretien + CCD.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Vorobjov, S. Foglia.  0.61-m f/4.0 astrograph + CCD.

Orbital elements:
2011 HC36                                                Earth MOID = 0.0974 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 265.68160              (2000.0)            P               Q
n   0.46917310     Peri.  121.42885     +0.78370866     +0.61294461
a   1.6402649      Node   201.30255     -0.62101327     +0.77012111
e   0.4009259      Incl.   16.05906     -0.01196901     +0.17667026
P   2.10           H   20.7           G   0.15           U   9
Residuals in seconds of arc
110428 F51  0.1-  0.1+    110428 F51  0.1-  0.1-    110430 H21  0.4-  0.2+
110428 F51  0.1+  0.0     110430 926  0.0   0.0     110430 H21  0.4+  0.2-
110428 F51  0.1+  0.0     110430 926  0.0   0.0

Ephemeris:
2011 HC36                a,e,i = 1.64, 0.40, 16                  q = 0.9826
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 03 31    15 01 31.1 -14 09 14   0.7711  1.6784   142.7    21.1    22.3
...
2011 04 15    14 57 50.3 -08 34 30   0.6214  1.5976   158.5    13.3    21.5
...
2011 04 23    14 51 51.3 -04 29 55   0.5598  1.5529   165.1     9.6    21.0
...
2011 04 29    14 45 40.0 -00 59 26   0.5228  1.5189   165.6     9.5    20.8
2011 04 30    14 44 30.7 -00 22 33   0.5174  1.5132   165.2     9.8    20.8
2011 05 01    14 43 19.6 +00 14 46   0.5123  1.5074   164.6    10.2    20.8
...
2011 05 07    14 35 41.4 +04 04 50   0.4862  1.4728   158.8    14.3    20.8
...
2011 05 15    14 24 47.9 +09 14 11   0.4635  1.4262   148.3    21.8    20.9
...
2011 05 30    14 06 25.5 +17 45 16   0.4499  1.3381   127.9    36.7    21.1

Carl W. Hergenrother         (C) Copyright 2011 MPC           M.P.E.C. 2011-H64

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