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M.P.E.C. 2004-Y29 Issued 2004 Dec. 20, 12:48 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 Brinson 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 YJ1
Observations:
K04Y01J* C2004 12 19.27544 06 05 42.28 +57 09 15.7 18.5 EY029704
K04Y01J C2004 12 19.28833 06 05 31.47 +57 06 23.5 18.5 EY029704
K04Y01J C2004 12 19.30104 06 05 20.77 +57 03 32.9 19.7 EY029704
K04Y01J C2004 12 19.31370 06 05 10.23 +57 00 42.4 18.9 EY029704
K04Y01J C2004 12 19.32635 06 04 59.65 +56 57 52.0 18.5 EY029704
K04Y01J C2004 12 20.09950 05 55 12.25 +53 58 59.0 17.9 R EY029J95
K04Y01J C2004 12 20.10410 05 55 08.85 +53 57 52.6 18.0 R EY029J95
K04Y01J C2004 12 20.10756 05 55 06.33 +53 57 03.3 18.0 R EY029J95
K04Y01J C2004 12 20.11350 05 55 02.00 +53 55 38.1 18.3 R EY029J95
K04Y01J C2004 12 20.22030 05 53 50.95 +53 30 27.8 18.6 R EY029854
K04Y01J C2004 12 20.23048 05 53 43.56 +53 28 02.4 18.7 R EY029854
K04Y01J 5C2004 12 20.25301 05 53 27.61 +53 22 38.5 18.0 R EY029673
K04Y01J 5C2004 12 20.25405 05 53 26.85 +53 22 23.5 EY029673
K04Y01J 5C2004 12 20.26429 05 53 19.38 +53 19 56.4 EY029673
K04Y01J 5C2004 12 20.27211 05 53 13.73 +53 18 04.4 EY029673
K04Y01J C2004 12 20.28963 05 53 00.17 +53 13 55.3 17.9 R EY029448
K04Y01J 3C2004 12 20.29540 05 52 55.96 +53 12 32.2 18.7 V EY029H06
K04Y01J C2004 12 20.29722 05 52 53.82 +53 12 00.3 18.1 R EY029649
K04Y01J C2004 12 20.29756 05 52 54.43 +53 12 01.1 18.0 R EY029448
K04Y01J C2004 12 20.29829 05 52 53.05 +53 11 44.5 17.5 R EY029649
K04Y01J C2004 12 20.30045 05 52 51.45 +53 11 13.7 17.8 R EY029649
K04Y01J 3C2004 12 20.30080 05 52 52.05 +53 11 14.3 18.4 V EY029H06
K04Y01J C2004 12 20.30153 05 52 50.71 +53 10 58.4 17.9 R EY029649
K04Y01J C2004 12 20.30260 05 52 50.02 +53 10 41.8 17.6 R EY029649
K04Y01J C2004 12 20.30367 05 52 49.18 +53 10 27.1 17.6 R EY029649
K04Y01J C2004 12 20.30392 05 52 49.84 +53 10 29.4 18.1 R EY029448
K04Y01J 3C2004 12 20.30474 05 52 49.19 +53 10 17.5 18.1 V EY029H06
K04Y01J 2C2004 12 20.38089 05 51 54.50 +52 51 51.3 17.9 R EY029H06
K04Y01J 2C2004 12 20.38370 05 51 52.38 +52 51 09.8 17.3 R EY029H06
K04Y01J 2C2004 12 20.39191 05 51 46.77 +52 49 09.6 17.4 R EY029H06
K04Y01J 2C2004 12 20.39473 05 51 44.71 +52 48 29.1 17.9 R EY029H06
K04Y01J 2C2004 12 20.39753 05 51 42.72 +52 47 48.7 18.0 R EY029H06
Observer details:
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
649 Powell Observatory, Louisburg. Observer R. Fredrick. 0.75-m Newtonian
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory. Observers J. Sue, R. Hutsebaut. 0.25-m
reflector + CCD, 0.30-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2004 YJ1
Epoch 2004 Dec. 1.0 TT = JDT 2453340.5 MPC
M 13.27399 (2000.0) P Q
n 0.59336070 Peri. 135.56747 +0.44146140 -0.52139178
a 1.4025667 Node 272.85299 +0.47254364 +0.82693737
e 0.2172515 Incl. 46.98326 +0.76276755 -0.21053550
P 1.66 H 20.6 G 0.15
From 32 observations 2004 Dec. 19-20.
Ephemeris:
2004 YJ1 a,e,i = 1.40, 0.22, 47 q = 1.0979
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 12 21 05 45.19 +50 19.7 0.176 1.143 153.0 23.0 18.2
2004 12 31 04 47.71 +09 24.8 0.206 1.165 149.5 25.4 18.7
2005 01 10 04 30.67 -11 52.0 0.311 1.191 125.4 42.3 20.1
2005 01 20 04 27.04 -20 46.3 0.438 1.219 112.1 48.4 21.1
2005 01 30 04 29.87 -24 53.1 0.569 1.248 103.6 50.1 21.7
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-Y29
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