MPEC 2003-Y28 : 2002 AY1
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M.P.E.C. 2003-Y28 Issued 2003 Dec. 19, 03:10 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
2002 AY1
Revision to MPEC 2002-A30
Additional Observations:
K02A01Y 5C2003 12 17.09248 22 26 00.84 +63 18 00.6 20.5 R EY028673
K02A01Y 5C2003 12 17.10833 22 26 09.34 +63 17 04.6 EY028673
K02A01Y 5C2003 12 17.11944 22 26 15.23 +63 16 24.8 EY028673
K02A01Y 5C2003 12 17.13137 22 26 21.58 +63 15 42.0 EY028673
K02A01Y 5C2003 12 17.14271 22 26 27.65 +63 15 02.6 EY028673
K02A01Y 5C2003 12 17.15567 22 26 34.61 +63 14 16.0 EY028673
K02A01Y 5C2003 12 19.07188 22 43 20.01 +61 18 02.9 20.5 R EY028673
K02A01Y 5C2003 12 19.07662 22 43 22.35 +61 17 43.9 EY028673
K02A01Y 5C2003 12 19.08264 22 43 25.17 +61 17 21.6 EY028673
K02A01Y 5C2003 12 19.08727 22 43 27.50 +61 17 03.3 EY028673
K02A01Y 5C2003 12 19.09491 22 43 31.09 +61 16 35.7 EY028673
K02A01Y 5C2003 12 19.09931 22 43 33.25 +61 16 18.0 EY028673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
031217 673 1.4- 6.2- 031219 673 1.7- 3.5- MPO 38331 +0.0011 day
Orbital elements:
2002 AY1 PHA 0.026D
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 198.28476 (2000.0) P Q
n 1.43439944 Peri. 323.84908 -0.23835778 +0.84757456
a 0.7786745 Node 287.91047 -0.73232100 -0.47751858
e 0.4377426 Incl. 29.88637 -0.63788049 +0.23150244
P 0.69 H 20.8 G 0.15 U 2
Residuals in seconds of arc (radar residuals in s.d.)
020107 704 0.4+ 0.4- 020108 046 (1.7- 4.1+) 020112 413 0.7+ 0.0-
020107 704 0.3+ 0.5- 020109 104 0.0- 1.1+ 020114 649 1.3- 0.5+
020107 704 0.0- 0.6- 020109 104 (0.9+ 3.3+) 020114 649 0.1- 0.5-
020107 704 0.0- 0.1- 020109 104 0.1+ 1.2+ 020114 649 0.8- 0.1+
020107 704 0.3- 0.4- 020109 104 (2.0+ 3.8+) 031217 673 0.3- 1.7-
020108 704 0.1+ 0.3+ 020109 587 0.0- 0.4+ 031217 673 0.1+ 1.2-
020108 704 0.1- 0.0- 020109 251/251D 0.156+ 031217 673 0.1- 1.2-
020108 704 0.0- 0.4+ 020109 587 0.1+ 0.3+ 031217 673 0.2- 1.3-
020108 649 0.8+ 1.5+ 020109 251/251R 0.452- 031217 673 0.1- 0.1+
020108 649 1.3- 2.2- 020109 251/251R 0.450+ 031217 673 0.2+ 0.1+
020108 649 0.5- 0.1+ 020111 413 0.4+ 0.6+ 031219 673 0.2- 1.5+
020108 649 2.6+ 0.7+ 020111 413 0.3+ 0.4- 031219 673 0.2+ 0.4+
020108 704 0.3+ 0.0+ 020111 413 0.4- 0.1- 031219 673 0.5- 1.0+
020108 704 0.1- 0.4+ 020112 715 0.5- 0.5+ 031219 673 0.2+ 0.3+
020108 046 0.3+ 0.0+ 020112 715 1.2- 0.5+ 031219 673 0.6- 1.7+
020108 046 0.5+ 1.5- 020112 715 0.2- 0.2+ 031219 673 0.4- 0.7+
020108 046 0.0- 2.2- 020112 413 0.3- 0.0+
020108 046 0.1- 0.3+ 020112 413 0.1- 0.0-
Ephemeris:
2002 AY1 a,e,i = 0.78, 0.44, 30 q = 0.4378
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 12 17 22 25.18 +63 23.3 0.354 1.119 103.2 58.9 20.9
2003 12 27 23 38.88 +52 16.9 0.349 1.111 102.2 59.9 20.9
2004 01 06 00 27.63 +40 12.2 0.363 1.093 97.7 63.1 21.0
2004 01 16 01 02.95 +29 02.9 0.391 1.064 90.8 67.6 21.3
2004 01 26 01 30.47 +19 32.8 0.428 1.024 82.9 72.5 21.5
2004 02 05 01 52.53 +11 34.7 0.467 0.974 74.8 77.7 21.8
2004 02 15 02 09.69 +04 40.4 0.502 0.912 66.5 83.1 22.0
Gareth V. Williams (C) Copyright 2003 MPC M.P.E.C. 2003-Y28
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