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Minor Planet Center

MPEC 2010-C80 : 2010 BL4

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Read MPEC 2010-C79 Read MPEC 2010-D01 

M.P.E.C. 2010-C80                                Issued 2010 Feb. 15, 16:38 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

                                   2010 BL4

Additional Observations:
     K10B04L  C2010 02 14.21441 08 14 45.09 -03 52 54.77                EC080807
     K10B04L  C2010 02 14.25966 08 14 44.37 -03 52 50.37                EC080807

Observer details:
807 Cerro Tololo.  Observer D. Rabinowitz.  1.3-m reflector + CCD.

Orbital elements:
2010 BL4
Epoch 2010 Jan. 24.0 TT = JDT 2455220.5                 MPC
M   1.47826              (2000.0)            P               Q
n   0.01215267     Peri.  255.81672     -0.49457189     -0.82952809
a  18.7364872      Node   226.91683     +0.86913539     -0.47150850
e   0.5426728      Incl.   20.80255     +0.00152556     -0.29927058
P  81.1            H   12.0           G   0.15
From 9 observations 2010 Jan. 18-Feb. 14.

Ephemeris:
2010 BL4                 a,e,i = 18.74, 0.54, 21                 q = 8.5687
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2010 02 13    08 15.07   -03 55.0    7.709    8.591   151.6     3.1    21.4
2010 02 23    08 12.65   -03 36.7    7.768    8.594   144.6     3.8    21.5
2010 03 05    08 10.76   -03 15.8    7.853    8.597   136.3     4.6    21.5
2010 03 15    08 09.48   -02 53.4    7.959    8.601   127.5     5.3    21.6
2010 03 25    08 08.92   -02 30.7    8.084    8.605   118.5     5.8    21.7
2010 04 04    08 09.10   -02 08.9    8.223    8.609   109.5     6.3    21.7
2010 04 14    08 10.03   -01 48.8    8.371    8.613   100.6     6.6    21.8
2010 04 24    08 11.69   -01 31.3    8.526    8.617    91.9     6.7    21.8
2010 05 04    08 14.05   -01 16.9    8.681    8.622    83.3     6.7    21.9
2010 05 14    08 17.04   -01 06.1    8.835    8.627    74.9     6.5    21.9
2010 05 24    08 20.60   -00 59.3    8.982    8.632    66.7     6.2    21.9
2010 06 03    08 24.65   -00 56.5    9.120    8.637    58.8     5.8    21.9
2010 06 13    08 29.14   -00 57.9    9.246    8.643    51.0     5.2    21.9
2010 06 23    08 33.98   -01 03.5    9.357    8.649    43.6     4.6    21.9
2010 07 03    08 39.09   -01 13.2    9.451    8.655    36.4     4.0    21.9

Brian G. Marsden             (C) Copyright 2010 MPC           M.P.E.C. 2010-C80

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