MPEC 2003-L47 : 2001 AA50
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M.P.E.C. 2003-L47 Issued 2003 June 12, 19:32 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 AA50
Revision to MPEC 2001-B23
Additional Observations:
K01A50A C2003 06 04.75446 00 00 02.11 -15 16 01.3 19.4 R 474
K01A50A C2003 06 04.75723 00 00 02.38 -15 15 52.2 19.2 R 474
K01A50A C2003 06 04.75909 00 00 02.56 -15 15 47.6 19.9 R 474
K01A50A C2003 06 04.76083 00 00 02.68 -15 15 42.2 19.6 R 474
K01A50A C2003 06 04.76580 00 00 03.16 -15 15 26.2 19.3 R 474
K01A50A C2003 06 04.76765 00 00 03.32 -15 15 19.8 19.8 R 474
K01A50A C2003 06 04.76939 00 00 03.45 -15 15 15.0 19.9 R 474
K01A50A C2003 06 04.77170 00 00 03.72 -15 15 09.1 19.3 R 474
K01A50A C2003 06 04.77865 00 00 04.34 -15 14 45.3 20.1 R 474
K01A50A 1C2003 06 08.80432 00 06 24.88 -11 35 25.3 20.8 R 413
K01A50A 1C2003 06 08.80947 00 06 25.34 -11 35 07.6 20.1 R 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
030604 474 0.01+ 0.08+ 030608 413 0.01+ 0.08+ MPO 13805 -0.092 day
Orbital elements:
2001 AA50
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 311.39476 (2000.0) P Q
n 0.64932607 Peri. 58.55704 +0.80439154 -0.20203441
a 1.3207709 Node 306.29750 -0.28701045 +0.69122980
e 0.1977945 Incl. 43.88438 +0.52017233 +0.69381804
P 1.52 H 18.1 G 0.15 U 3
Residuals in seconds of arc
010104 704 0.2+ 0.0 010121 704 0.1+ 1.9+ 010201 413 0.2+ 0.8+
010104 704 1.2+ 0.2- 010121 704 0.2- 1.1- 010201 413 0.0 0.3+
010104 704 1.9- 1.0+ 010121 704 0.3- 0.0 010201 413 0.5+ 0.5+
010104 704 0.6+ 0.3- 010121 704 0.0 0.3- 010413 413 0.1- 0.2+
010104 704 0.0 0.6- 010121 704 0.6+ 0.1- 010413 413 0.4- 0.2+
010106 704 0.1- 0.1- 010121 046 0.1- 0.2- 030604 474 0.1- 0.5+
010106 704 0.2- 0.1- 010121 046 0.2- 0.0 030604 474 0.1+ 1.0+
010106 704 0.2+ 0.3+ 010121 046 0.1- 0.0 030604 474 0.3+ 0.3-
010106 704 1.4+ 0.0 010121 046 0.3+ 0.0 030604 474 0.3- 0.3-
010119 704 0.6+ 0.2+ 010121 046 0.6- 0.2- 030604 474 0.0 0.1+
010119 704 0.0 0.1- 010129 046 0.6+ 0.0 030604 474 0.1- 0.7+
010119 704 0.8- 0.1+ 010129 046 0.2+ 1.1+ 030604 474 0.6- 0.1+
010119 704 0.3+ 0.1+ 010129 046 0.3+ 0.0 030604 474 0.3+ 1.3-
010121 704 1.2- 0.2- 010129 046 0.0 0.4- 030604 474 0.0 0.8+
010121 704 0.1- 0.3- 010131 608 0.3+ 0.2- 030608 413 0.1+ 0.7-
010121 704 1.2- 0.2- 010131 608 0.0 0.7- 030608 413 0.0 0.5-
010121 704 0.0 0.2- 010131 608 0.2- 0.7-
Ephemeris:
2001 AA50 a,e,i = 1.32, 0.20, 44 q = 1.0595
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 06 10 00 08.28 -10 26.8 0.784 1.183 81.1 58.0 20.0
2003 06 20 00 24.09 +00 20.2 0.698 1.156 82.6 60.6 19.8
2003 06 30 00 40.86 +13 26.4 0.631 1.131 83.2 63.2 19.6
2003 07 10 01 00.16 +28 32.9 0.592 1.109 82.6 65.4 19.5
2003 07 20 01 25.05 +44 19.2 0.588 1.090 80.8 67.0 19.5
2003 07 30 02 02.09 +58 47.9 0.616 1.075 78.3 67.6 19.6
2003 08 09 03 07.3 +70 17.2 0.669 1.065 75.5 67.1 19.7
2003 08 19 05 13.8 +77 06.9 0.734 1.060 72.8 65.8 19.9
2003 08 29 07 59.8 +77 30.7 0.802 1.060 70.6 63.9 20.0
2003 09 08 09 44.1 +73 47.6 0.865 1.065 68.9 61.9 20.1
2003 09 18 10 37.05 +69 11.9 0.917 1.076 67.9 60.0 20.2
2003 09 28 11 07.50 +64 45.5 0.954 1.090 67.7 58.2 20.3
2003 10 08 11 27.26 +60 40.8 0.975 1.109 68.4 56.9 20.3
2003 10 18 11 41.09 +56 57.8 0.977 1.132 70.0 55.8 20.3
2003 10 28 11 50.98 +53 35.2 0.960 1.157 72.6 55.0 20.3
2003 11 07 11 57.56 +50 31.0 0.926 1.184 76.2 54.4 20.3
2003 11 17 12 00.81 +47 42.8 0.875 1.213 81.0 53.6 20.2
2003 11 27 12 00.07 +45 08.3 0.809 1.243 87.0 52.5 20.0
2003 12 07 11 53.89 +42 42.5 0.731 1.273 94.6 50.5 19.8
2003 12 17 11 40.04 +40 14.5 0.646 1.303 104.1 47.1 19.5
2003 12 27 11 15.16 +37 20.8 0.561 1.332 116.5 41.3 19.1
2004 01 06 10 35.85 +33 12.1 0.487 1.361 132.7 32.1 18.6
2004 01 16 09 42.63 +26 41.4 0.438 1.389 153.3 18.5 18.0
2004 01 26 08 44.80 +17 46.8 0.432 1.416 176.5 2.5 17.3
2004 02 05 07 56.08 +08 44.5 0.474 1.441 160.1 13.5 18.1
2004 02 15 07 22.80 +01 46.8 0.555 1.464 141.6 24.8 18.8
2004 02 25 07 03.49 -02 51.5 0.661 1.485 127.1 32.1 19.4
2004 03 06 06 54.55 -05 51.2 0.778 1.505 115.9 36.4 19.9
2004 03 16 06 52.79 -07 51.3 0.901 1.522 106.7 38.7 20.3
2004 03 26 06 56.10 -09 17.3 1.022 1.537 99.1 39.8 20.7
2004 04 05 07 03.10 -10 26.0 1.140 1.550 92.6 40.1 20.9
2004 04 15 07 12.83 -11 27.2 1.252 1.561 86.9 39.9 21.1
2004 04 25 07 24.75 -12 27.2 1.356 1.570 81.8 39.4 21.3
2004 05 05 07 38.44 -13 30.5 1.452 1.576 77.4 38.6 21.4
2004 05 15 07 53.64 -14 39.6 1.537 1.580 73.4 37.8 21.5
2004 05 25 08 10.22 -15 56.5 1.613 1.582 69.9 37.0 21.6
2004 06 04 08 28.09 -17 22.6 1.678 1.581 66.7 36.1 21.7
2004 06 14 08 47.20 -18 58.2 1.734 1.578 63.9 35.3 21.7
2004 06 24 09 07.61 -20 43.8 1.781 1.573 61.4 34.6 21.8
Timothy B. Spahr (C) Copyright 2003 MPC M.P.E.C. 2003-L47
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