MPEC 2009-B23 : 2009 BF2
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M.P.E.C. 2009-B23 Issued 2009 Jan. 20, 18:43 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 BF2
Observations:
K09B02F* C2009 01 16.37800 11 33 29.46 +28 22 28.0 18.8 EB023704
K09B02F C2009 01 16.39016 11 32 53.81 +28 19 54.8 19.4 EB023704
K09B02F C2009 01 16.40231 11 32 18.03 +28 17 21.2 18.3 EB023704
K09B02F C2009 01 16.42653 11 31 06.96 +28 12 11.0 18.9 EB023704
K09B02F C2009 01 17.39622 10 52 20.21 +24 36 45.3 18.7 EB023704
K09B02F C2009 01 17.40883 10 51 51.19 +24 34 02.2 18.9 EB023704
K09B02F C2009 01 17.42138 10 51 22.21 +24 31 17.1 19.1 EB023704
K09B02F C2009 01 17.43409 10 50 53.11 +24 28 30.6 18.9 EB023704
K09B02F C2009 01 17.44666 10 50 24.31 +24 25 44.4 18.6 EB023704
K09B02F C2009 01 18.16931 10 27 29.98 +21 52 54.0 18.8 C EB023493
K09B02F C2009 01 18.17007 10 27 28.51 +21 52 44.1 18.5 C EB023493
K09B02F C2009 01 18.17084 10 27 27.07 +21 52 34.7 18.0 C EB023493
K09B02F C2009 01 18.22618 10 26 28.29 +21 40 42.3 18.5 R EB023854
K09B02F C2009 01 18.23161 10 26 18.73 +21 39 40.7 18.5 R EB023854
K09B02F C2009 01 18.23317 10 26 14.72 +21 39 20.1 17.9 R EB023H01
K09B02F C2009 01 18.23432 10 26 13.92 +21 39 10.8 18.8 R EB023854
K09B02F C2009 01 18.23664 10 26 08.54 +21 38 41.3 18.5 R EB023H01
K09B02F C2009 01 18.27789 10 24 54.69 +21 30 57.7 18.0 R EB023H01
K09B02F C2009 01 18.28475 10 24 42.33 +21 29 40.4 18.3 R EB023H01
K09B02F C2009 01 18.29431 10 24 25.12 +21 27 52.3 18.3 R EB023H01
K09B02F C2009 01 18.34472 10 22 48.30 +21 17 46.9 17.9 R EB023H36
K09B02F C2009 01 18.35359 10 22 32.36 +21 16 02.0 18.3 R EB023H36
K09B02F C2009 01 18.36687 10 22 08.46 +21 13 26.4 18.1 R EB023H36
K09B02F C2009 01 19.36653 09 58 13.96 +18 11 59.1 18.0 R EB023H01
K09B02F C2009 01 19.36909 09 58 10.36 +18 11 33.5 17.9 R EB023H01
K09B02F C2009 01 19.37862 09 57 56.88 +18 09 58.3 18.1 R EB023H01
K09B02F C2009 01 19.38064 09 57 54.04 +18 09 38.2 17.9 R EB023H01
K09B02F C2009 01 19.38328 09 57 50.32 +18 09 11.7 18.3 R EB023H01
K09B02F C2009 01 19.39291 09 57 36.54 +18 07 37.0 19.1 EB023704
K09B02F C2009 01 19.40583 09 57 18.41 +18 05 28.6 19.7 EB023704
K09B02F C2009 01 19.41855 09 57 00.61 +18 03 18.1 19.7 EB023704
K09B02F C2009 01 19.43127 09 56 42.94 +18 01 10.2 19.9 EB023704
K09B02F C2009 01 19.44755 09 56 21.86 +17 58 41.6 18.9 R EB023926
K09B02F C2009 01 19.44917 09 56 19.75 +17 58 26.2 18.8 R EB023926
K09B02F C2009 01 19.52221 09 54 40.52 +17 45 38.7 18.3 R EB023H01
K09B02F C2009 01 19.52580 09 54 35.85 +17 45 01.8 18.4 R EB023H01
K09B02F C2009 01 19.52917 09 54 31.48 +17 44 27.4 18.5 R EB023H01
K09B02F C2009 01 20.02606 09 45 29.70 +16 26 01.5 EB023J95
K09B02F C2009 01 20.02796 09 45 27.45 +16 25 44.9 EB023J95
K09B02F C2009 01 20.02955 09 45 25.60 +16 25 31.2 18.7 R EB023J95
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 BF2 Earth MOID = 0.0097 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 16.29531 (2000.0) P Q
n 0.89605130 Peri. 96.34351 +0.78731472 -0.61296321
a 1.0655671 Node 301.48132 +0.53040818 +0.72829308
e 0.1858501 Incl. 4.46693 +0.31432895 +0.30637444
P 1.10 H 25.8 G 0.15 U 6
Residuals in seconds of arc
090116 704 0.4- 0.7+ 090118 H01 0.3+ 0.1- 090119 704 0.3+ 0.7+
090116 704 0.8+ 0.3- 090118 854 0.1- 0.3- 090119 704 0.2+ 2.4+
090116 704 0.3- 0.3- 090118 H01 0.2+ 0.1- 090119 704 0.3- 0.3+
090116 704 0.6- 0.2+ 090118 H01 0.0 0.3- 090119 704 0.3- 1.3+
090117 704 0.3- 0.2+ 090118 H01 0.2- 0.2- 090119 926 0.8- 1.0-
090117 704 1.0+ 0.7+ 090118 H01 0.1+ 0.1- 090119 926 1.0+ 0.1+
090117 704 0.0 0.5- 090118 H36 1.4- 0.2+ 090119 H01 0.2- 0.2-
090117 704 1.1+ 0.0 090118 H36 0.4- 0.8- 090119 H01 0.0 0.2-
090117 704 0.5+ 0.1- 090118 H36 0.2- 0.4- 090119 H01 0.1+ 0.0
090118 493 0.4+ 0.0 090119 H01 0.0 0.1- 090120 J95 0.2+ 0.2-
090118 493 0.1- 0.4- 090119 H01 0.3+ 0.1- 090120 J95 0.1- 0.2-
090118 493 0.0 0.3- 090119 H01 0.0 0.1- 090120 J95 0.1+ 0.1+
090118 854 0.3- 0.5+ 090119 H01 0.2+ 0.0
090118 854 0.1+ 0.6- 090119 H01 0.2+ 0.0
Ephemeris:
2009 BF2 a,e,i = 1.07, 0.19, 4 q = 0.8675
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 19 10 06.28 +19 17.3 0.0204 1.002 151.3 28.1 18.6
2009 01 21 09 29.86 +14 17.4 0.0254 1.008 160.7 18.8 18.8
2009 01 23 09 06.61 +10 50.3 0.0310 1.014 166.0 13.5 19.1
2009 01 25 08 50.79 +08 25.7 0.0369 1.021 168.2 11.4 19.4
2009 01 27 08 39.47 +06 42.2 0.0430 1.027 168.2 11.3 19.7
2009 01 29 08 31.09 +05 26.5 0.0494 1.033 166.9 12.4 20.1
2009 01 31 08 24.72 +04 30.1 0.0560 1.039 165.2 14.0 20.4
2009 02 02 08 19.81 +03 47.8 0.0627 1.046 163.3 15.8 20.7
2009 02 04 08 16.00 +03 15.7 0.0696 1.052 161.3 17.5 21.0
2009 02 06 08 13.05 +02 51.5 0.0766 1.058 159.4 19.2 21.3
2009 02 08 08 10.79 +02 33.4 0.0837 1.064 157.5 20.8 21.6
2009 02 10 08 09.08 +02 20.1 0.0911 1.070 155.7 22.3 21.8
2009 02 12 08 07.84 +02 10.7 0.0985 1.076 153.9 23.8 22.0
2009 02 14 08 07.00 +02 04.5 0.106 1.082 152.2 25.2 22.3
2009 02 16 08 06.51 +02 00.9 0.114 1.088 150.5 26.6 22.5
2009 02 18 08 06.33 +01 59.4 0.122 1.094 148.8 27.9 22.7
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-B23
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