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    • MPEC 2000-A21 : 2000 AF6

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    M.P.E.C. 2000-A21                                Issued 2000 Jan. 6, 20:31 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

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

                                   2000 AF6

Observations:
     K00A06F* C2000 01 04.38885 09 59 34.70 +12 38 01.8          19.2        704
     K00A06F  C2000 01 04.40360 09 59 31.87 +12 38 23.3          19.3        704
     K00A06F  C2000 01 04.41852 09 59 28.94 +12 38 45.0          19.2        704
     K00A06F  C2000 01 04.43330 09 59 26.26 +12 39 06.9          19.4        704
     K00A06F  C2000 01 05.61382 09 55 48.12 +13 08 34.5          18.8 R      422
     K00A06F  C2000 01 05.62017 09 55 46.79 +13 08 45.3          18.7 R      422
     K00A06F  C2000 01 06.01671 09 54 29.94 +13 18 06.4          18.3 R      046
     K00A06F  C2000 01 06.02025 09 54 29.23 +13 18 08.1                      046
     K00A06F  C2000 01 06.02130 09 54 28.99 +13 18 09.2                      046
     K00A06F  C2000 01 06.02176 09 54 29.03 +13 18 10.4                      595
     K00A06F  C2000 01 06.02723 09 54 27.86 +13 18 18.6                      595
     K00A06F  C2000 01 06.03285 09 54 26.66 +13 18 28.7                      595
     K00A06F  C2000 01 06.03832 09 54 25.60 +13 18 37.6          18.8 V      595
     K00A06F  C2000 01 06.16625 09 53 59.26 +13 21 49.1                      118
     K00A06F  C2000 01 06.17514 09 53 57.46 +13 22 03.0                      118
     K00A06F  C2000 01 06.17726 09 53 57.05 +13 22 05.7          18.1 R      118
     K00A06F  C2000 01 06.26774 09 53 41.70 +13 24 29.2                      651
     K00A06F  C2000 01 06.27257 09 53 40.74 +13 24 36.9                      651
     K00A06F  C2000 01 06.27681 09 53 39.84 +13 24 43.2          19.4 V      651

Observer details:
046 Klet.  Observers M. Tichy, Z. Moravec.  0.57-m f/5.2 reflector + CCD.
118 Modra.  Observers A. Galad, P. Koleny.  0.6-m f/5.5 reflector + CCD.
422 Loomberah.  Observer G. J. Garradd.  0.45-m f/5.4 reflector + CCD.
595 Farra d'Isonzo.  Observers G. Lombardi, E. Pettarin.  0.40-m f/4.5
    reflector + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    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, J. B. Evans.  1.0-m f/2.15 reflector + CCD.

Orbital elements:
2000 AF6                                                             PHA 0.023
Epoch 1999 Dec. 28.0 TT = JDT 2451540.5                 Williams
M 131.57310              (2000.0)            P               Q
n   1.19751556     Peri.  200.04536     +0.65676172     +0.75276700
a   0.8782442      Node   111.03602     -0.68516449     +0.62047990
e   0.4164769      Incl.    2.75040     -0.31498200     +0.21987844
P   0.82           H   19.9           G   0.15
From 19 observations 2000 Jan. 4-6.

Ephemeris:
2000 AF6                 a,e,i = 0.88, 0.42, 3                   q = 0.5125
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 12 28    10 17.77   +10 03.5    0.306    1.179   123.1    44.3    19.4
2000 01 02    10 06.31   +11 43.2    0.288    1.194   131.4    38.1    19.1
2000 01 07    09 51.22   +13 43.5    0.273    1.207   140.7    31.1    18.8
2000 01 12    09 32.32   +16 01.3    0.261    1.218   150.8    23.2    18.5
2000 01 17    09 09.90   +18 28.3    0.254    1.227   161.7    14.6    18.2
2000 01 22    08 44.92   +20 52.3    0.252    1.235   172.7     5.8    17.8
2000 01 27    08 18.92   +23 00.3    0.256    1.240   174.3     4.5    17.8
2000 02 01    07 53.77   +24 43.1    0.266    1.243   163.8    12.8    18.2
2000 02 06    07 31.18   +25 57.9    0.281    1.244   153.6    20.6    18.6
2000 02 11    07 12.24   +26 47.9    0.300    1.243   144.3    27.6    19.0
2000 02 16    06 57.32   +27 18.9    0.323    1.240   135.9    33.6    19.3
2000 02 21    06 46.26   +27 36.9    0.348    1.236   128.5    38.8    19.6
2000 02 26    06 38.63   +27 46.4    0.374    1.229   121.8    43.2    19.9

2000 03 07    06 31.74   +27 51.5    0.428    1.209   110.2    50.4    20.3
2000 03 17    06 33.16   +27 47.3    0.480    1.181   100.6    55.9    20.7
2000 03 27    06 40.05   +27 37.7    0.525    1.146    92.2    60.5    21.0
2000 04 06    06 50.48   +27 22.9    0.561    1.101    84.7    64.8    21.1
2000 04 16    07 03.00   +27 02.9    0.585    1.049    77.8    69.2    21.3
2000 04 26    07 16.16   +26 37.9    0.595    0.988    71.0    74.3    21.3
2000 05 06    07 28.41   +26 09.7    0.589    0.919    64.1    80.8    21.4
2000 05 16    07 37.39   +25 42.9    0.565    0.843    56.5    89.5    21.4
2000 05 26    07 38.89   +25 25.1    0.527    0.762    47.3   102.1    21.7
2000 06 05    07 25.66   +25 22.9    0.481    0.678    34.8   121.3    22.4

Gareth V. Williams           (C) Copyright 2000 MPC           M.P.E.C. 2000-A21

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