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Minor Planet Center

MPEC 2009-B30 : 2009 BN2

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M.P.E.C. 2009-B30                                Issued 2009 Jan. 20, 19:07 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 BN2

Observations:
     K09B02N* C2009 01 18.52847 12 07 31.08 +01 13 39.5          19.7 V EB030G96
     K09B02N  C2009 01 18.53252 12 07 26.94 +01 13 35.1          20.6 V EB030G96
     K09B02N  C2009 01 18.53659 12 07 22.76 +01 13 30.3          20.6 V EB030G96
     K09B02N  C2009 01 18.54061 12 07 18.62 +01 13 25.1          20.3 V EB030G96
     K09B02N  C2009 01 18.55066 12 07 08.49 +01 13 12.7          21.1 V EB030G96
     K09B02N  C2009 01 18.55166 12 07 07.45 +01 13 10.9                 EB030G96
     K09B02N  C2009 01 18.55262 12 07 06.39 +01 13 09.7                 EB030G96
     K09B02N  C2009 01 18.55359 12 07 05.31 +01 13 08.8          21.0 V EB030G96
     K09B02N  C2009 01 19.46022 11 53 47.53 +00 55 59.7          20.5 R EB030H01
     K09B02N  C2009 01 19.46424 11 53 43.98 +00 55 55.3          20.5 R EB030H01
     K09B02N  C2009 01 19.46903 11 53 39.78 +00 55 50.7          20.4 R EB030H01
     K09B02N  C2009 01 19.47532 11 53 34.26 +00 55 44.1          20.3 R EB030H01
     K09B02N  C2009 01 19.48663 11 53 24.36 +00 55 32.5          20.3 R EB030H01
     K09B02N  C2009 01 20.43649 11 41 30.33 +00 40 44.9          20.2 V EB030G96
     K09B02N  C2009 01 20.44628 11 41 22.95 +00 40 36.6          19.8 V EB030G96
     K09B02N  C2009 01 20.45607 11 41 15.57 +00 40 28.1          20.0 V EB030G96
     K09B02N  C2009 01 20.46571 11 41 08.30 +00 40 20.1          20.1 V EB030G96
     K09B02N  C2009 01 20.47211 11 41 02.99 +00 40 11.3          20.2 R EB030H01
     K09B02N  C2009 01 20.54197 11 40 11.16 +00 39 12.4          19.7 R EB030H01
     K09B02N  C2009 01 20.54580 11 40 08.31 +00 39 10.0          19.3 R EB030H01

Observer details:
G96 Mt. Lemmon Survey.  Observers R. E. Hill, S. M. Larson.  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 BN2                                                 Earth MOID = 0.0074 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 354.53294              (2000.0)            P               Q
n   0.40919409     Peri.  131.25469     +0.28493844     -0.95658370
a   1.7968693      Node   302.09033     +0.85639406     +0.28277855
e   0.5005700      Incl.    4.14927     +0.43058018     +0.07059681
P   2.41           H   24.8           G   0.15           U   8
Residuals in seconds of arc
090118 G96  0.4-  0.0     090118 G96  2.3-  0.5+    090120 G96  0.6-  0.2+
090118 G96  0.3-  0.6+    090119 H01  0.5-  0.7+    090120 G96  0.7-  0.0
090118 G96  0.5-  0.9+    090119 H01  0.8-  0.4+    090120 G96  1.0-  0.2+
090118 G96  1.0-  0.7+    090119 H01  0.7-  0.8+    090120 H01  0.5-  0.4+
090118 G96  0.7+  0.8+    090119 H01  0.7-  0.7+    090120 H01  0.4-  0.3+
090118 G96  0.4+  0.2+    090119 H01  0.7-  0.7+    090120 H01  1.1-  1.1+
090118 G96  0.9-  0.2+    090120 G96  0.7-  0.2+

Ephemeris:
2009 BN2                 a,e,i = 1.80, 0.50, 4                   q = 0.8974
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 01 19    12 00.33   +01 05.9    0.0493   1.009   119.3    58.3    20.4
2009 01 20    11 46.75   +00 48.7    0.0537   1.014   123.3    54.2    20.5
2009 01 21    11 35.21   +00 34.5    0.0583   1.020   126.8    50.5    20.5
2009 01 22    11 25.29   +00 23.0    0.0631   1.026   130.0    47.3    20.6
2009 01 23    11 16.69   +00 13.8    0.0679   1.032   132.9    44.3    20.7
2009 01 24    11 09.16   +00 06.4    0.0729   1.038   135.5    41.7    20.8
2009 01 25    11 02.51   +00 00.6    0.0779   1.044   137.9    39.2    20.9
2009 01 26    10 56.59   -00 03.8    0.0830   1.050   140.2    36.9    21.0
2009 01 27    10 51.29   -00 06.9    0.0882   1.056   142.3    34.8    21.1
2009 01 28    10 46.49   -00 09.1    0.0935   1.062   144.3    32.8    21.2
2009 01 29    10 42.14   -00 10.3    0.0988   1.068   146.2    30.9    21.2
2009 01 30    10 38.17   -00 10.7    0.104    1.075   148.0    29.1    21.3
2009 01 31    10 34.53   -00 10.3    0.110    1.081   149.7    27.4    21.4
2009 02 01    10 31.18   -00 09.4    0.115    1.088   151.3    25.8    21.5
2009 02 02    10 28.08   -00 07.8    0.121    1.094   152.9    24.2    21.5
2009 02 03    10 25.20   -00 05.8    0.126    1.101   154.4    22.7    21.6
2009 02 04    10 22.53   -00 03.3    0.132    1.108   155.9    21.3    21.7
2009 02 05    10 20.04   -00 00.4    0.138    1.114   157.3    20.0    21.7
2009 02 06    10 17.71   +00 02.8    0.144    1.121   158.6    18.7    21.8
2009 02 07    10 15.53   +00 06.4    0.150    1.128   159.9    17.5    21.9
2009 02 08    10 13.49   +00 10.3    0.156    1.135   161.1    16.3    21.9

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-B30

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