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Minor Planet Center

MPEC 2009-B27 : 2009 BK2

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M.P.E.C. 2009-B27                                Issued 2009 Jan. 20, 18:57 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2009 BK2

Observations:
     K09B02K* C2009 01 18.26399 07 51 44.28 +16 26 55.4          22.8 V EB027G96
     K09B02K  C2009 01 18.26921 07 51 42.87 +16 27 05.1          22.1 V EB027G96
     K09B02K  C2009 01 18.27435 07 51 41.50 +16 27 14.5          21.9 V EB027G96
     K09B02K  C2009 01 18.27936 07 51 40.21 +16 27 23.4          21.3 V EB027G96
     K09B02K  C2009 01 18.31002 07 51 32.06 +16 28 18.9          21.5 V EB027G96
     K09B02K  C2009 01 18.31610 07 51 30.46 +16 28 29.7          21.9 V EB027G96
     K09B02K  C2009 01 18.32850 07 51 27.08 +16 28 51.7          21.7 V EB027G96
     K09B02K  C2009 01 18.37884 07 51 13.66 +16 30 19.6          20.8 R EB027H01
     K09B02K  C2009 01 18.38142 07 51 12.98 +16 30 24.1          20.7 R EB027H01
     K09B02K  C2009 01 18.40273 07 51 07.39 +16 31 01.4          20.9 R EB027H01
     K09B02K  C2009 01 19.23185 07 47 46.25 +16 56 24.2          20.6 R EB027H01
     K09B02K  C2009 01 19.25308 07 47 40.41 +16 57 04.4          20.7 R EB027H01
     K09B02K  C2009 01 19.26252 07 47 37.83 +16 57 22.2          20.6 R EB027H01
     K09B02K  C2009 01 20.26708 07 43 18.67 +17 29 08.9          20.6 R EB027H01
     K09B02K  C2009 01 20.27552 07 43 16.24 +17 29 25.1          20.6 R EB027H01
     K09B02K  C2009 01 20.28458 07 43 13.63 +17 29 42.7          20.8 R EB027H01

Observer details:
G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.

Orbital elements:
2009 BK2                                                 Earth MOID = 0.0256 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 202.83674              (2000.0)            P               Q
n   0.96814954     Peri.  121.45607     -0.37155025     +0.92706282
a   1.0119858      Node   126.65038     -0.87156949     -0.32972103
e   0.2127443      Incl.    3.57660     -0.31987035     -0.17843365
P   1.02           H   25.2           G   0.15           U   8
Residuals in seconds of arc
090118 G96  0.4+  0.2-    090118 G96  1.1-  0.4-    090119 H01  0.3+  0.1+
090118 G96  0.1-  0.0     090118 H01  0.2+  0.3+    090120 H01  0.1-  0.0
090118 G96  0.2-  0.0     090118 H01  0.2+  0.3+    090120 H01  0.1-  0.2-
090118 G96  0.3+  0.2-    090118 H01  0.1+  0.2+    090120 H01  0.0   0.1-
090118 G96  0.0   0.0     090119 H01  0.1+  0.2+
090118 G96  0.2+  0.2-    090119 H01  0.0   0.2+

Ephemeris:
2009 BK2                 a,e,i = 1.01, 0.21, 4                   q = 0.7967
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 01 19    07 48.72   +16 49.5    0.134    1.118   174.9     4.5    21.5
2009 01 21    07 40.04   +17 53.3    0.129    1.112   172.0     7.1    21.5
2009 01 23    07 30.62   +19 01.1    0.124    1.106   168.1    10.6    21.6
2009 01 25    07 20.47   +20 12.4    0.120    1.100   163.7    14.5    21.6
2009 01 27    07 09.65   +21 26.2    0.116    1.094   159.1    18.7    21.7
2009 01 29    06 58.19   +22 41.6    0.112    1.087   154.3    23.1    21.7
2009 01 31    06 46.18   +23 57.6    0.110    1.081   149.4    27.6    21.8
2009 02 02    06 33.70   +25 13.1    0.107    1.074   144.4    32.3    21.9
2009 02 04    06 20.84   +26 26.9    0.105    1.068   139.4    36.9    21.9
2009 02 06    06 07.69   +27 38.2    0.104    1.061   134.4    41.6    22.0
2009 02 08    05 54.34   +28 46.1    0.102    1.054   129.3    46.4    22.1

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-B27

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