MPEC 2004-Y50 : 2004 YZ23
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M.P.E.C. 2004-Y50 Issued 2004 Dec. 23, 11:58 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 YZ23
Observations:
K04Y23Z* C2004 12 22.57473 06 40 53.07 -36 43 33.0 17.4 R EY050E12
K04Y23Z C2004 12 22.58329 06 40 51.84 -36 43 58.7 17.1 R EY050E12
K04Y23Z C2004 12 22.59178 06 40 50.64 -36 44 24.2 17.6 R EY050E12
K04Y23Z C2004 12 22.60025 06 40 49.41 -36 44 49.7 17.2 R EY050E12
K04Y23Z C2004 12 22.65007 06 40 42.32 -36 47 19.4 17.6 R EY050E12
K04Y23Z C2004 12 22.65897 06 40 41.04 -36 47 46.9 17.3 R EY050E12
K04Y23Z C2004 12 22.66791 06 40 39.80 -36 48 13.4 17.6 R EY050E12
K04Y23Z C2004 12 22.67686 06 40 38.49 -36 48 40.0 17.7 R EY050E12
K04Y23Z C2004 12 22.74466 06 40 28.91 -36 52 02.1 17.3 R EY050E12
K04Y23Z C2004 12 22.74870 06 40 28.27 -36 52 14.3 16.9 R EY050E12
K04Y23Z C2004 12 22.75073 06 40 27.99 -36 52 19.8 17.4 R EY050E12
K04Y23Z C2004 12 23.46260 06 38 48.65 -37 27 50.3 17.7 R EY050E12
K04Y23Z C2004 12 23.46347 06 38 48.48 -37 27 53.0 18.0 R EY050E12
K04Y23Z C2004 12 23.46436 06 38 48.38 -37 27 56.1 17.8 R EY050E12
K04Y23Z C2004 12 23.46602 06 38 48.17 -37 28 01.4 17.9 R EY050E12
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers E. C. Beshore,
C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
2004 YZ23
Epoch 2004 Dec. 21.0 TT = JDT 2453360.5 MPC
M 342.25720 (2000.0) P Q
n 0.16631190 Peri. 309.07188 -0.63098946 +0.10288094
a 3.2748180 Node 251.46782 -0.16539674 -0.98621990
e 0.6974529 Incl. 54.19308 -0.75795529 +0.12956010
P 5.93 H 15.5 G 0.15
From 15 observations 2004 Dec. 22-23.
Ephemeris:
2004 YZ23 a,e,i = 3.27, 0.70, 54 q = 0.9908
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 12 21 06 44.41 -35 24.1 0.996 1.715 120.1 29.7 18.0
2004 12 31 06 18.53 -43 25.0 0.960 1.623 113.3 33.8 17.9
2005 01 10 05 44.88 -50 00.6 0.951 1.531 104.6 38.4 17.9
2005 01 20 05 06.18 -54 42.2 0.959 1.440 95.6 42.8 17.9
2005 01 30 04 26.99 -57 36.3 0.974 1.352 87.3 46.7 17.9
2005 02 09 03 51.31 -59 11.7 0.985 1.267 80.0 50.1 17.8
2005 02 19 03 20.75 -60 02.1 0.985 1.189 74.1 53.1 17.8
2005 03 01 02 54.30 -60 33.6 0.969 1.120 69.7 56.1 17.7
2005 03 11 02 29.61 -60 58.8 0.932 1.062 66.9 59.4 17.6
2005 03 21 02 03.72 -61 20.3 0.872 1.019 65.8 63.0 17.5
2005 03 31 01 33.32 -61 28.7 0.790 0.995 66.4 66.9 17.3
2005 04 10 00 55.23 -61 01.8 0.689 0.992 69.0 70.6 17.1
2005 04 20 00 05.97 -59 18.7 0.573 1.009 73.9 73.0 16.9
2005 04 30 23 02.24 -54 48.0 0.452 1.046 82.1 72.6 16.4
2005 05 10 21 43.45 -43 58.2 0.341 1.099 95.9 66.1 15.7
2005 05 20 20 17.61 -21 25.3 0.276 1.164 117.3 50.6 14.9
2005 05 30 19 01.38 +06 22.7 0.303 1.240 133.0 36.7 14.9
2005 06 09 18 04.93 +23 28.1 0.409 1.323 131.6 35.0 15.6
2005 06 19 17 27.61 +30 55.4 0.552 1.410 125.4 36.0 16.4
2005 06 29 17 04.68 +33 42.7 0.712 1.500 119.4 36.2 17.1
2005 07 09 16 51.80 +34 18.7 0.878 1.592 114.1 35.7 17.7
2005 07 19 16 46.04 +33 49.5 1.047 1.684 109.4 34.7 18.2
2005 07 29 16 45.36 +32 47.5 1.218 1.777 105.0 33.5 18.6
2005 08 08 16 48.43 +31 28.7 1.389 1.868 100.9 32.2 18.9
2005 08 18 16 54.36 +30 03.0 1.559 1.960 97.0 30.8 19.2
2005 08 28 17 02.48 +28 36.5 1.729 2.050 93.1 29.5 19.5
2005 09 07 17 12.35 +27 12.9 1.897 2.138 89.4 28.1 19.8
2005 09 17 17 23.63 +25 55.2 2.064 2.226 85.6 26.8 20.0
2005 09 27 17 36.01 +24 45.3 2.228 2.312 82.0 25.4 20.2
2005 10 07 17 49.32 +23 44.7 2.390 2.396 78.3 24.1 20.4
2005 10 17 18 03.36 +22 54.8 2.548 2.479 74.7 22.8 20.6
2005 10 27 18 17.98 +22 16.1 2.704 2.560 71.1 21.5 20.7
2005 11 06 18 33.04 +21 49.3 2.855 2.640 67.5 20.3 20.9
2005 11 16 18 48.43 +21 34.9 3.002 2.718 64.0 19.1 21.0
2005 11 26 19 04.03 +21 32.9 3.144 2.795 60.6 17.9 21.2
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-Y50
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