MPEC 2004-F21 : 2004 ET21
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2004-F20
Read MPEC 2004-F22
M.P.E.C. 2004-F21 Issued 2004 Mar. 17, 13:53 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 ET21
Observations:
K04E21T* C2004 03 15.38336 11 39 42.83 +08 26 10.4 22.4 V EF021691
K04E21T C2004 03 15.41090 11 39 40.44 +08 27 32.9 22.0 V EF021691
K04E21T C2004 03 15.45823 11 39 36.36 +08 29 56.7 22.1 V EF021691
K04E21T C2004 03 16.33206 11 38 24.54 +09 13 43.0 21.7 V EF021291
K04E21T C2004 03 16.33617 11 38 24.19 +09 13 55.0 21.7 V EF021291
K04E21T C2004 03 16.34118 11 38 23.74 +09 14 10.0 22.0 V EF021291
K04E21T C2004 03 16.94765 11 37 34.27 +09 44 05.0 EF021246
K04E21T C2004 03 16.94847 11 37 34.22 +09 44 08.2 EF021246
K04E21T C2004 03 16.95034 11 37 33.95 +09 44 11.9 EF021246
K04E21T C2004 03 16.95111 11 37 33.83 +09 44 15.8 EF021246
K04E21T C2004 03 17.38336 11 36 58.33 +10 05 25.5 22.1 V EF021291
K04E21T C2004 03 17.38847 11 36 57.92 +10 05 40.8 21.8 V EF021291
K04E21T C2004 03 17.39236 11 36 57.58 +10 05 52.5 21.8 V EF021291
Observer details:
246 Klet Observatory-KLENOT. Observer M. Tichy. 1.06-m KLENOT Telescope
+ CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer A. E. Gleason. 0.9-m f/3
reflector + CCD.
Orbital elements:
2004 ET21
Epoch 2004 Mar. 16.0 TT = JDT 2453080.5 MPC
M 77.99310 (2000.0) P Q
n 0.46914297 Peri. 248.60471 +0.46752937 -0.87798576
a 1.6403351 Node 171.12784 +0.82457261 +0.47504532
e 0.3271386 Incl. 41.77467 -0.31858483 -0.05893178
P 2.10 H 21.1 G 0.15
From 13 observations 2004 Mar. 15-17.
Ephemeris:
2004 ET21 a,e,i = 1.64, 0.33, 42 q = 1.1037
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 03 16 11 38.87 +08 57.2 0.711 1.702 172.6 4.3 21.9
2004 03 26 11 26.24 +16 24.4 0.781 1.743 157.0 12.9 22.5
2004 04 05 11 17.01 +21 53.5 0.881 1.783 142.8 19.8 23.1
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-F21
Read MPEC 2004-F20
Read MPEC 2004-F22
Our Web policy. Index to the CBAT/MPC/ICQ pages.
