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    • MPEC 2001-B52 : 2001 BN61

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    M.P.E.C. 2001-B52                                Issued 2001 Jan. 31, 20:29 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2001 BN61

Observations:
     K01B61N* C2001 01 19.34718 08 58 26.65 +21 10 07.1          19.4        704
     K01B61N  C2001 01 19.36256 08 58 44.83 +21 14 19.8          19.0        704
     K01B61N  C2001 01 19.37795 08 59 03.09 +21 18 33.3          19.8        704
     K01B61N  C2001 01 19.39335 08 59 21.31 +21 22 44.9          19.0        704
     K01B61N  C2001 01 21.33551 09 34 59.13 +28 20 50.2          19.4        704
     K01B61N  C2001 01 21.35068 09 35 11.93 +28 23 21.2          19.7        704
     K01B61N  C2001 01 21.36607 09 35 24.90 +28 25 54.3          19.8        704
     K01B61N  C2001 01 21.38145 09 35 37.67 +28 28 25.0          19.2        704

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, S. Adams.  Measurers J. Stuart,
    R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.

Orbital elements:
2001 BN61
Epoch 2001 Jan. 11.0 TT = JDT 2451920.5                 Williams
M   5.54431              (2000.0)            P               Q
n   0.39858557     Peri.  333.99896     -0.05745359     -0.98736583
a   1.8286124      Node   118.97888     +0.94288374     -0.10228176
e   0.4638072      Incl.    9.71864     +0.32813006     +0.12102548
P   2.47           H   25.0           G   0.15
From 8 observations 2001 Jan. 19-21.

Ephemeris:
2001 BN61                a,e,i = 1.83, 0.46, 10                  q = 0.9805
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 01 21    09 29.58   +27 23.0    0.038    1.020   161.0    18.4    18.9
2001 01 31    10 52.62   +39 14.7    0.085    1.057   146.3    31.1    21.1
2001 02 10    11 13.08   +41 02.2    0.138    1.104   145.9    30.1    22.2

Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-B52

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