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  • MPEC 2011-U34 : 2011 UE21

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    M.P.E.C. 2011-U34                                Issued 2011 Oct. 21, 10:59 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 UE21
    
    Observations:
         K11U21E* C2011 10 19.19164 22 03 49.86 -11 05 45.0          20.4 VrEU034G96
         K11U21E  C2011 10 19.19686 22 03 50.22 -11 05 15.3          20.6 VrEU034G96
         K11U21E  C2011 10 19.20210 22 03 50.58 -11 04 45.8          20.4 VrEU034G96
         K11U21E  C2011 10 19.20737 22 03 50.94 -11 04 15.9          20.7 VrEU034G96
         K11U21E  C2011 10 19.23549 22 03 52.88 -11 01 37.3          20.4 VrEU034G96
         K11U21E  C2011 10 19.24181 22 03 53.31 -11 01 01.0          20.4 VrEU034G96
         K11U21E  C2011 10 19.24821 22 03 53.74 -11 00 25.7          20.5 VrEU034G96
         K11U21E  C2011 10 19.25464 22 03 54.21 -10 59 49.4          20.7 VrEU034G96
         K11U21E KC2011 10 19.82085 22 04 37.52 -10 08 04.3          20.0 VuEU034I93
         K11U21E KC2011 10 19.84392 22 04 39.13 -10 06 00.3          20.7 VuEU034I93
         K11U21E KC2011 10 19.86897 22 04 40.82 -10 03 45.8          20.4 VuEU034I93
         K11U21E KC2011 10 19.89289 22 04 42.49 -10 01 40.1                uEU034J95
         K11U21E KC2011 10 19.89950 22 04 42.98 -10 01 05.1                uEU034J95
         K11U21E KC2011 10 19.90699 22 04 43.46 -10 00 23.8          19.7 RuEU034J95
         K11U21E KC2011 10 20.13637222 05 00.59 -09 40 09.8          20.6 RuEU034H36
         K11U21E KC2011 10 20.14423322 05 01.02 -09 39 28.2          20.1 RuEU034H36
         K11U21E KC2011 10 20.16460422 05 02.34 -09 37 42.3          19.6 RuEU034H36
         K11U21E  C2011 10 20.21954 22 05 06.25 -09 32 54.0          20.8 VrEU034G96
         K11U21E  C2011 10 20.22258 22 05 06.43 -09 32 38.0          20.8 VrEU034G96
         K11U21E  C2011 10 20.22565 22 05 06.64 -09 32 22.4          20.4 VrEU034G96
         K11U21E HC2011 10 21.10959 22 06 11.08 -08 18 25.2                oEU034291
         K11U21E HC2011 10 21.11078 22 06 11.18 -08 18 20.2                oEU034291
         K11U21E HC2011 10 21.11197 22 06 11.33 -08 18 12.5                oEU034291
         K11U21E KC2011 10 21.16650022 06 14.44 -08 13 54.5          20.4 RuEU034H36
         K11U21E KC2011 10 21.17907722 06 15.40 -08 12 49.0          19.9 RuEU034H36
         K11U21E KC2011 10 21.18544322 06 15.76 -08 12 19.8          20.3 RuEU034H36
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/5.0 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2011 UE21                                                Earth MOID = 0.0977 AU
    Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
    M   4.51915              (2000.0)            P               Q
    n   0.31105116     Peri.  255.55604     -0.12767771     +0.98463321
    a   2.1573213      Node     9.81678     -0.39606202     +0.05951925
    e   0.7229704      Incl.   44.33189     -0.90930373     -0.16417949
    P   3.17           H   20.3           G   0.15           U   9
    Residuals in seconds of arc
    111019 G96  0.0   0.1-    111019 I93  0.0   0.1-    111020 G96  0.5-  0.7+
    111019 G96  0.1+  0.1+    111019 I93  0.1-  0.3+    111020 G96  0.5-  0.3+
    111019 G96  0.1+  0.1-    111019 J95  0.2-  0.5-    111021 291  0.8-  0.1-
    111019 G96  0.1+  0.1+    111019 J95  0.4+  0.7-    111021 291  0.4-  0.8-
    111019 G96  0.2+  0.0     111019 J95  0.1-  0.6+    111021 291  0.7+  1.1+
    111019 G96  0.1+  0.7+    111020 H36  1.4+  0.5+    111021 H36 (0.5-  3.1-)
    111019 G96  0.1-  0.1-    111020 H36  0.1+  0.9+    111021 H36  1.7+  1.7+
    111019 G96  0.2+  0.0     111020 H36  0.4-  0.2+    111021 H36  0.9+  0.1+
    111019 I93  0.8-  0.4-    111020 G96  0.2-  0.5+
    
    Ephemeris:
    2011 UE21                a,e,i = 2.16, 0.72, 44                  q = 0.5976
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 09 21    11 00 29.6 -63 41 33   0.3003  0.9204    65.4    97.4    21.0
    ...
    2011 10 06    21 32 23.2 -49 21 21   0.2263  1.1037   111.7    57.4    19.4
    ...
    2011 10 14    21 56 13.6 -21 19 08   0.3161  1.2006   123.3    44.0    19.9
    ...
    2011 10 20    22 04 50.6 -09 51 56   0.4130  1.2721   123.7    40.7    20.5
    2011 10 21    22 06 03.0 -08 27 09   0.4305  1.2839   123.4    40.3    20.6
    2011 10 22    22 07 13.1 -07 08 43   0.4482  1.2957   123.1    40.1    20.7
    ...
    2011 10 28    22 13 44.2 -01 00 09   0.5594  1.3655   120.5    38.8    21.3
    ...
    2011 11 05    22 21 57.2 +04 18 59   0.7165  1.4565   116.1    37.7    21.9
    ...
    2011 11 20    22 37 41.5 +10 14 07   1.0264  1.6199   107.0    35.7    22.9
    
    A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-U34
    

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