MPEC 2004-M57 : 2004 HE64
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M.P.E.C. 2004-M57 Issued 2004 June 26, 13:20 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 HE64
Observations:
K04H64E* C2004 04 21.35570 12 27 14.50 -00 51 35.7 23.0 R EM057568
K04H64E C2004 04 21.39880 12 27 14.29 -00 51 34.6 EM057568
K04H64E C2004 04 22.32135 12 27 09.74 -00 51 10.1 EM057568
Observer details:
568 Mauna Kea. Observers K. J. Meech, J. Pittichova. 2.2-m reflector + CCD.
Orbital elements:
2004 HE64
Eccentricity assumed
Epoch 2004 Apr. 5.0 TT = JDT 2453100.5 MPC
M 359.93619 (2000.0) P Q
n 0.00394670 Peri. 169.11474 -0.99133423 +0.12007141
a 39.6563719 Node 18.04328 -0.12970282 -0.83035928
e 0.1531647 Incl. 9.90612 -0.02082367 -0.54413815
P 250 H 8.1 G 0.15
From 3 observations 2004 Apr. 21-22.
Ephemeris:
2004 HE64 a,e,i = 39.66, 0.15, 10 q = 33.582
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 06 24 12 24.62 -00 41.6 33.511 33.582 93.2 1.7 23.6
2004 07 04 12 24.81 -00 44.1 33.679 33.583 83.7 1.7 23.6
2004 07 14 12 25.18 -00 47.6 33.844 33.583 74.3 1.7 23.6
2004 07 24 12 25.72 -00 52.2 34.001 33.583 64.9 1.6 23.6
2004 08 03 12 26.42 -00 57.8 34.147 33.583 55.5 1.4 23.6
2004 08 13 12 27.25 -01 04.2 34.276 33.583 46.2 1.2 23.6
2004 08 23 12 28.21 -01 11.3 34.387 33.583 36.8 1.0 23.6
The assumed perihelic Neptune 2:3-resonance orbit keeps the object
more than 14 AU from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-M57
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