MPEC 2003-Y21 : 2003 YJ

A form allowing access to any MPEC is at the bottom of this page.

Read MPEC 2003-Y20 Read MPEC 2003-Y22

M.P.E.C. 2003-Y21                                Issued 2003 Dec. 18, 12:09 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.

         Supported in part by the Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                    2003 YJ

Observations:
     K03Y00J* C2003 12 17.51193 09 58 30.67 +21 08 48.2          18.4   EY021644
     K03Y00J  C2003 12 17.52220 09 58 32.59 +21 09 39.2          18.3   EY021644
     K03Y00J  C2003 12 17.53233 09 58 34.48 +21 10 29.4          18.6   EY021644
     K03Y00J  C2003 12 18.03688 10 00 19.69 +21 52 30.2          18.9 R EY021J95
     K03Y00J  C2003 12 18.03982 10 00 20.20 +21 52 46.0          18.5 R EY021J95
     K03Y00J  C2003 12 18.04378 10 00 21.01 +21 53 04.8          18.4 R EY021J95
     K03Y00J  C2003 12 18.04780 10 00 21.81 +21 53 26.5          18.9 R EY021J95
     K03Y00J  C2003 12 18.29464 10 01 14.10 +22 14 38.5          18.0 R EY021854
     K03Y00J  C2003 12 18.30129 10 01 15.35 +22 15 12.0          18.5 R EY021854
     K03Y00J  C2003 12 18.30795 10 01 16.76 +22 15 47.3          18.3 R EY021854
     K03Y00J  C2003 12 18.33377 10 01 21.81 +22 18 01.4          18.6 R EY021926
     K03Y00J  C2003 12 18.33473 10 01 22.11 +22 18 07.8          19.0 R EY021926
     K03Y00J  C2003 12 18.33569 10 01 22.19 +22 18 14.4          18.8 R EY021926

Observer details:
644 Palomar Mountain/NEAT.  Observers S. Pravdo, D. MacDonald, K. Lawrence,
    M. Hicks.  1.2-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
    Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2003 YJ
Epoch 2003 Dec. 7.0 TT = JDT 2452980.5                  MPC
M 193.77378              (2000.0)            P               Q
n   1.10472305     Peri.  166.97490     -0.22685327     +0.92281798
a   0.9267596      Node    89.25319     -0.91915525     -0.09715875
e   0.1927152      Incl.   18.14276     -0.32201122     -0.37278297
P   0.89           H   20.5           G   0.15
From 13 observations 2003 Dec. 17-18.

Ephemeris:
2003 YJ                  a,e,i = 0.93, 0.19, 18                  q = 0.7482
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 12 17    09 56.80   +20 27.0    0.193    1.094   120.0    51.2    19.0
2003 12 27    10 37.72   +36 57.2    0.160    1.081   123.8    49.1    18.5
2004 01 06    11 51.12   +56 50.7    0.150    1.064   118.8    54.1    18.5
2004 01 16    14 27.6    +70 23.5    0.164    1.043   106.6    64.7    19.0
2004 01 26    17 35.9    +70 20.9    0.193    1.017    94.3    74.8    19.6
2004 02 05    19 10.16   +64 43.6    0.226    0.989    84.2    82.7    20.1
2004 02 15    19 55.19   +58 56.3    0.257    0.957    75.7    89.2    20.6
2004 02 25    20 22.73   +53 20.1    0.285    0.923    68.3    95.0    21.0
2004 03 06    20 44.21   +47 23.7    0.308    0.888    61.7   100.5    21.3

Timothy B. Spahr             (C) Copyright 2003 MPC           M.P.E.C. 2003-Y21

Read MPEC 2003-Y20 Read MPEC 2003-Y22

• 1997-B01 (the full form)
• J97B01 (the packed version of the full form)
• B01 (the abbreviated form)