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IAU Minor Planet Center

Minor Planet Center

MPEC 1999-V40: 1999 VL12

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M.P.E.C. 1999-V40                                Issued 1999 Nov. 12, 17:25 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.

             BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   1999 VL12

Observations:
     J99V12L* C1999 11 09.39328 04 23 20.93 +20 08 23.1          19.5        704
     J99V12L  C1999 11 09.40818 04 23 19.52 +20 08 05.9          19.4        704
     J99V12L  C1999 11 09.42253 04 23 18.21 +20 07 48.7          19.4        704
     J99V12L  C1999 11 10.26920 04 22 02.11 +19 51 25.5          19.2 R      853
     J99V12L  C1999 11 10.27172 04 22 01.88 +19 51 22.9          19.6 R      853
     J99V12L  C1999 11 10.27374 04 22 01.68 +19 51 21.0          19.0 R      853
     J99V12L  C1999 11 10.31888 04 21 57.40 +19 50 27.4          18.8        704
     J99V12L  C1999 11 10.33523 04 21 55.89 +19 50 08.7          18.7        704
     J99V12L  C1999 11 10.35156 04 21 54.30 +19 49 49.4          18.7        704
     J99V12L  C1999 11 10.36786 04 21 52.75 +19 49 31.3          19.1        704
     J99V12L  C1999 11 11.30036 04 20 27.37 +19 31 19.1          18.6 R      853
     J99V12L  C1999 11 11.30532 04 20 26.88 +19 31 12.9          18.9 R      853
     J99V12L  C1999 11 11.30769 04 20 26.65 +19 31 10.2          18.7 R      853
     J99V12L  C1999 11 12.20669 04 19 03.39 +19 13 29.7          18.9 R      853
     J99V12L  C1999 11 12.20924 04 19 03.12 +19 13 26.7          18.9 R      853
     J99V12L  C1999 11 12.21322 04 19 02.75 +19 13 22.2          18.6 R      853
     J99V12L  C1999 11 12.56883 04 18 28.93 +19 06 33.7          18.5 R      474
     J99V12L  C1999 11 12.57050 04 18 28.81 +19 06 31.6          18.4 R      474
     J99V12L  C1999 11 12.57211 04 18 28.77 +19 06 30.3          18.2 R      474
     J99V12L  C1999 11 12.57375 04 18 28.42 +19 06 27.9          18.2 R      474
     J99V12L  C1999 11 12.57623 04 18 28.22 +19 06 24.8          17.7 R      474
     J99V12L  C1999 11 12.57838 04 18 28.11 +19 06 23.5          18.1 R      474
     J99V12L  C1999 11 12.58062 04 18 27.84 +19 06 19.7          18.3 R      474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers I. P. Griffin, N. Brady.
    1.0-m f/7.7 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, M. Elowitz, R. Huber.  Measurers J. Stuart, H. Viggh,
    R. Sayer.  1.0-m f/2.15 reflector + CCD.
853 Biosphere 2 Observatory.  Observers G. J. Garradd, S. Airieau.  0.5-m f/8.1
    reflector + CCD.

Orbital elements:
1999 VL12
Epoch 1999 Oct. 29.0 TT = JDT 2451480.5                 Williams
M 119.78553              (2000.0)            P               Q
n   0.49066873     Peri.   37.93689     +0.01250702     +0.95725468
a   1.5920027      Node   234.64439     -0.98202539     -0.04267347
e   0.2380243      Incl.   20.75184     -0.18833404     +0.28608121
P   2.01           H   17.3           G   0.15
From 23 observations 1999 Nov. 9-12.

Ephemeris:
1999 VL12                a,e,i = 1.59, 0.24, 21                  q = 1.2131
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 11 08    04 25.41   +20 35.2    0.904    1.857   157.2    11.9    19.1
1999 11 13    04 17.81   +18 57.9    0.895    1.867   164.1     8.4    19.0
1999 11 18    04 09.80   +17 18.2    0.894    1.876   170.7     4.9    18.8
1999 11 23    04 01.71   +15 38.6    0.899    1.885   174.9     2.7    18.7
1999 11 28    03 53.85   +14 01.9    0.912    1.894   171.5     4.4    18.9
1999 12 03    03 46.49   +12 30.8    0.932    1.902   165.0     7.7    19.1
1999 12 08    03 39.87   +11 07.3    0.959    1.909   158.3    11.0    19.3
1999 12 13    03 34.18   +09 53.2    0.992    1.916   151.7    14.1    19.5
1999 12 18    03 29.53   +08 49.4    1.030    1.923   145.4    16.9    19.7
1999 12 23    03 25.97   +07 56.1    1.074    1.930   139.3    19.4    19.9
1999 12 28    03 23.50   +07 13.0    1.122    1.935   133.6    21.6    20.0

2000 01 07    03 21.71   +06 15.1    1.228    1.946   122.9    25.1    20.3
2000 01 17    03 23.76   +05 48.9    1.344    1.954   113.3    27.5    20.6
2000 01 27    03 29.07   +05 46.7    1.465    1.961   104.6    29.1    20.9
2000 02 06    03 37.11   +06 01.5    1.589    1.966    96.7    29.9    21.1
2000 02 16    03 47.43   +06 27.7    1.713    1.969    89.5    30.1    21.2
2000 02 26    03 59.64   +07 00.5    1.834    1.971    82.8    29.9    21.4
2000 03 07    04 13.42   +07 36.0    1.950    1.970    76.5    29.3    21.5
2000 03 17    04 28.57   +08 11.4    2.061    1.968    70.6    28.5    21.6
2000 03 27    04 44.86   +08 43.9    2.165    1.964    65.0    27.4    21.7
2000 04 06    05 02.15   +09 11.7    2.261    1.958    59.8    26.2    21.7

Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-V40

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