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    • MPEC 2011-M48 : 2011 MY2

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    M.P.E.C. 2011-M48                                Issued 2011 June 28, 13:29 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 MY2

Observations:
     K11M02Y* C2011 06 27.20796 16 33 41.72 -21 21 15.5          20.0 VrEM048G96
     K11M02Y  C2011 06 27.21318 16 33 42.55 -21 20 59.1          20.3 VrEM048G96
     K11M02Y  C2011 06 27.21847 16 33 43.41 -21 20 42.3          19.6 VrEM048G96
     K11M02Y  C2011 06 27.22370 16 33 44.24 -21 20 26.2          19.7 VrEM048G96
     K11M02Y  C2011 06 27.26087 16 33 50.24 -21 18 28.7          19.8 VrEM048G96
     K11M02Y  C2011 06 27.27656 16 33 52.68 -21 17 38.1          19.5 VrEM048G96
     K11M02Y  C2011 06 27.28440 16 33 54.03 -21 17 14.1                rEM048G96
     K11M02Y KC2011 06 27.90246 16 35 45.46 -20 44 49.4          19.9 RrEM048104
     K11M02Y KC2011 06 27.90457 16 35 45.78 -20 44 42.7          20.1 RrEM048104
     K11M02Y KC2011 06 27.90841 16 35 46.45 -20 44 29.0          19.7 RrEM048104
     K11M02Y KC2011 06 27.91974 16 35 48.37 -20 43 54.2          20.4 RrEM048104
     K11M02Y KC2011 06 27.92359 16 35 48.97 -20 43 42.1          20.3 RrEM048104
     K11M02Y KC2011 06 27.92597 16 35 49.95 -20 43 31.7          19.9 VuEM048J87
     K11M02Y KC2011 06 27.93096 16 35 50.76 -20 43 16.5          19.9 VuEM048J87
     K11M02Y KC2011 06 27.93743 16 35 51.88 -20 42 56.8          20.0 VuEM048J87
     K11M02Y |C2011 06 27.97180 16 36 00.32 -20 40 13.6          20.5 VoEM048807
     K11M02Y |C2011 06 27.97717 16 36 01.24 -20 39 57.0          20.3 VoEM048807
     K11M02Y |C2011 06 27.98253 16 36 02.16 -20 39 40.5          20.7 VoEM048807
     K11M02Y IC2011 06 28.22381516 36 42.76 -20 27 50.1          19.8 RuEM048H36
     K11M02Y  C2011 06 28.22683 16 36 44.02 -20 27 38.3          20.2 VrEM048G96
     K11M02Y KC2011 06 28.23435016 36 44.48 -20 27 16.4          20.1 RuEM048H36
     K11M02Y  C2011 06 28.23549 16 36 45.46 -20 27 10.9          20.2 VrEM048G96
     K11M02Y  C2011 06 28.24406 16 36 46.83 -20 26 43.2          20.2 VrEM048G96
     K11M02Y KC2011 06 28.24500316 36 46.38 -20 26 42.3          20.3 RuEM048H36

Observer details:
104 San Marcello Pistoiese.  Observers L. Tesi, P. Bacci, R. Bacci G. Fagioli,
    R. Bacci, G. Fagioli.  Measurer P. Bacci.  0.60-m f/4 reflector + CCD.
807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
    R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers R. A. Kowalski, A. Boattini.  Measurers
    J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
    A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
    1.5-m reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
J87 La Canada.  Observer J. Lacruz.  0.40-m Ritchey-Chretien + CCD.

Orbital elements:
2011 MY2                                                 Earth MOID = 0.1714 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  16.29369              (2000.0)            P               Q
n   0.30781580     Peri.    7.79317     +0.14482882     +0.97517175
a   2.1724116      Node   270.64518     -0.91660597     +0.06846506
e   0.4535682      Incl.    9.64457     -0.37263669     +0.21060055
P   3.20           H   22.3           G   0.15           U   8
Residuals in seconds of arc
110627 G96  0.0   0.0     110627 104  0.2-  1.0-    110627 807  0.2-  0.1+
110627 G96  0.1-  0.0     110627 104  0.3+  0.6+    110627 807  0.1+  0.0
110627 G96  0.1+  0.1+    110627 104  1.1+  0.5-    110628 H36  1.1-  0.1+
110627 G96  0.1-  0.2-    110627 104  0.6+  0.7-    110628 G96  0.0   0.3-
110627 G96  0.3+  0.1-    110627 J87  0.2-  1.1+    110628 H36  1.3-  0.3+
110627 G96  0.9-  0.8+    110627 J87  0.3-  0.5+    110628 G96  0.4+  0.2-
110627 G96  0.2+  0.2-    110627 J87  0.5+  0.2-    110628 G96  0.1+  0.3+
110627 104  0.2+  1.0-    110627 807  0.4-  0.1+    110628 H36  0.8+  0.4+

Ephemeris:
2011 MY2                 a,e,i = 2.17, 0.45, 10                  q = 1.1871
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 05 29    15 29 42.4 -40 24 10   0.2506  1.2495   158.2    17.6    20.7
...
2011 06 13    15 55 57.0 -32 40 24   0.2062  1.2098   158.6    17.8    20.2
...
2011 06 21    16 15 57.9 -26 38 21   0.1931  1.1964   157.1    19.3    20.1
...
2011 06 27    16 33 04.1 -21 31 36   0.1886  1.1901   155.0    21.2    20.1
2011 06 28    16 36 02.9 -20 39 00   0.1883  1.1894   154.5    21.6    20.1
2011 06 29    16 39 03.6 -19 46 17   0.1882  1.1888   154.1    21.9    20.1
...
2011 07 05    16 57 37.0 -14 32 54   0.1903  1.1871   151.2    24.4    20.2
...
2011 07 13    17 22 56.0 -08 10 19   0.2006  1.1901   147.1    27.6    20.4
...
2011 07 28    18 08 25.1 +00 21 30   0.2407  1.2117   140.8    32.0    21.0

A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-M48

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