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    • MPEC 2004-F12 : 2004 EL20

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    M.P.E.C. 2004-F12                                Issued 2004 Mar. 16, 23:51 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

                                   2004 EL20

Observations:
     K04E20L* C2004 03 14.28030 11 39 37.40 +22 48 29.3          19.1   EF012704
     K04E20L  C2004 03 14.29110 11 39 05.98 +22 48 31.9          19.2   EF012704
     K04E20L  C2004 03 14.30187 11 38 34.57 +22 48 32.1          19.5   EF012704
     K04E20L  C2004 03 14.31251 11 38 03.43 +22 48 34.0          19.4   EF012704
     K04E20L  C2004 03 14.96675 11 05 47.43 +22 34 25.1                 EF012246
     K04E20L  C2004 03 14.96708 11 05 46.29 +22 34 24.2                 EF012246
     K04E20L  C2004 03 14.96777 11 05 44.08 +22 34 20.5                 EF012246
     K04E20L  C2004 03 15.30707 10 47 05.20 +22 18 27.8          20.0   EF012704
     K04E20L  C2004 03 15.31780 10 46 26.54 +22 17 38.1          20.2   EF012704
     K04E20L  C2004 03 15.32860 10 45 47.63 +22 16 49.5          19.4   EF012704
     K04E20L  C2004 03 15.33929 10 45 09.09 +22 15 59.8          19.6   EF012704
     K04E20L  C2004 03 15.35006 10 44 30.39 +22 15 07.6          19.8   EF012704
     K04E20L  C2004 03 16.21800 09 52 33.92 +20 38 02.3          19.8   EF012704
     K04E20L  C2004 03 16.22899 09 51 50.00 +20 36 19.6          20.0   EF012704
     K04E20L  C2004 03 16.23992 09 51 06.26 +20 34 35.3          19.7   EF012704
     K04E20L  C2004 03 16.25494 09 50 06.29 +20 32 10.6          19.6   EF012704
     K04E20L  C2004 03 16.26622 09 49 21.36 +20 30 19.6          20.1   EF012704
     K04E20L  C2004 03 16.85520509 12 29.61 +18 37 00.9          19.0 R EF012J95
     K04E20L  C2004 03 16.86143309 12 05.06 +18 35 42.7          18.5 R EF012J95
     K04E20L  C2004 03 16.87245309 11 21.84 +18 33 23.8          20.0 R EF012J95
     K04E20L  C2004 03 16.87861609 10 57.69 +18 32 06.8          19.8 R EF012J95

Observer details:
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  1.06-m KLENOT
    Telescope + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 EL20
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M  16.53864              (2000.0)            P               Q
n   1.34269611     Peri.  337.54050     +0.89712267     +0.44169405
a   0.8137373      Node   356.21280     -0.38240839     +0.76643660
e   0.2701219      Incl.    7.64823     -0.22121198     +0.46634890
P   0.73           H   26.7           G   0.15           U   8
Residuals in seconds of arc
040314 704  0.2-  0.1+    040315 704  0.3-  2.0+    040316 704  1.4-  0.5+
040314 704  0.3-  0.2+    040315 704  0.9-  0.4-    040316 704  1.0-  1.0+
040314 704  0.2-  1.0-    040315 704  1.2-  0.1+    040316 704  0.5+  1.0+
040314 704  0.5-  0.6+    040315 704  1.8-  0.5+    040316 J95  1.8-  1.7-
040314 246  0.8+  0.6+    040315 704  0.7-  0.0     040316 J95 (2.5-  1.5-)
040314 246  0.3+  0.5+    040316 704  0.5+  1.0+    040316 J95  0.3-  0.8-
040314 246  1.6+  1.4-    040316 704  0.2-  1.0+    040316 J95  1.2+  0.8+

Ephemeris:
2004 EL20                a,e,i = 0.81, 0.27, 8                   q = 0.5923
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 03 16    10 06.15   +21 11.7    0.015    1.008   149.2    30.4    18.8
2004 03 17    09 03.36   +18 11.2    0.015    1.006   136.3    43.1    19.1
2004 03 18    08 04.47   +14 03.2    0.015    1.004   122.4    56.9    19.6
2004 03 19    07 15.49   +09 46.7    0.017    1.001   109.9    69.2    20.2
2004 03 20    06 37.43   +06 03.0    0.019    0.999    99.6    79.3    20.8
2004 03 21    06 08.48   +03 03.4    0.022    0.997    91.5    87.3    21.3
2004 03 22    05 46.35   +00 43.1    0.025    0.995    85.1    93.5    21.9
2004 03 23    05 29.17   -01 06.3    0.028    0.992    79.9    98.5    22.4
2004 03 24    05 15.55   -02 32.6    0.031    0.990    75.6   102.6    22.8
2004 03 25    05 04.53   -03 41.6    0.035    0.987    72.1   106.0    23.2
2004 03 26    04 55.45   -04 37.8    0.038    0.985    69.0   108.9    23.6

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-F12

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