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    • MPEC 2001-R42 : 2001 RS17

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    M.P.E.C. 2001-R42                                Issued 2001 Sept. 13, 20:26 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 RS17

Observations:
     K01R17S* C2001 09 11.27064 22 24 39.79 -09 16 48.6          19.0        704
     K01R17S  C2001 09 11.28573 22 24 38.86 -09 17 44.9          19.5        704
     K01R17S  C2001 09 11.30091 22 24 38.01 -09 18 41.5          19.2        704
     K01R17S  C2001 09 11.31599 22 24 37.04 -09 19 37.7          19.6        704
     K01R17S  C2001 09 11.33117 22 24 36.18 -09 20 34.7          19.3        704
     K01R17S  C2001 09 12.25676 22 23 45.68 -10 18 12.9          18.9        704
     K01R17S  C2001 09 12.27125 22 23 44.78 -10 19 06.1          20.0        704
     K01R17S  C2001 09 12.28576 22 23 43.93 -10 20 00.6          19.4        704
     K01R17S  C2001 09 12.30024 22 23 43.12 -10 20 54.9          19.3        704
     K01R17S  C2001 09 12.31484 22 23 42.23 -10 21 49.1          19.7        704
     K01R17S  C2001 09 13.51654 22 22 38.05 -11 35 36.9          18.4 R      474
     K01R17S  C2001 09 13.51828 22 22 37.92 -11 35 43.7          18.6 R      474
     K01R17S  C2001 09 13.52233 22 22 37.74 -11 35 58.8          18.6 R      474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  1.0-m f/7.7
    reflector + CCD.
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 RS17
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5                 Spahr
M 320.43678              (2000.0)            P               Q
n   0.42016869     Peri.  227.74020     +0.80093825     -0.56802921
a   1.7654426      Node   163.54164     +0.50639192     +0.81135296
e   0.1234965      Incl.   41.92913     -0.31947636     -0.13801878
P   2.35           H   18.1           G   0.15
From 13 observations 2001 Sept. 11-13.

Ephemeris:
2001 RS17                a,e,i = 1.77, 0.12, 42                  q = 1.5474
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2001 09 08    22 27.77   -05 50.6    0.608    1.610   170.4     6.0    18.5
2001 09 18    22 18.96   -16 02.7    0.630    1.598   155.1    15.3    19.0
2001 09 28    22 13.28   -24 39.2    0.685    1.587   139.7    24.1    19.4
2001 10 08    22 12.03   -31 05.5    0.764    1.578   126.5    30.6    19.8
2001 10 18    22 15.58   -35 31.5    0.857    1.569   115.5    35.0    20.2
2001 10 28    22 23.72   -38 21.7    0.957    1.562   106.4    37.6    20.5
2001 11 07    22 35.80   -39 59.6    1.059    1.556    98.7    39.0    20.7
2001 11 17    22 51.11   -40 42.1    1.158    1.552    92.2    39.5    20.9
2001 11 27    23 08.98   -40 41.2    1.253    1.549    86.6    39.5    21.1
2001 12 07    23 28.80   -40 05.3    1.342    1.548    81.8    39.1    21.2

Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-R42

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