MPEC 2002-E30 : 2001 EB18
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M.P.E.C. 2002-E30 Issued 2002 Mar. 11, 16:38 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 EB18
Revision to MPEC 2001-F09
Observations:
K01E18B 2C2002 03 09.25757 05 18 03.03 -07 09 26.5 20.1 R 568
K01E18B 2C2002 03 09.25896 05 18 03.13 -07 09 18.3 20.3 R 568
K01E18B 2C2002 03 10.34370 05 19 28.33 -05 25 26.2 20.6 R 568
K01E18B 2C2002 03 10.34502 05 19 28.43 -05 25 18.6 20.5 R 568
Observer details:
568 Mauna Kea. Observers D. Jewitt, J. X. Luu, J. Chen. 2.2-m University of
Hawaii reflector + CCD. Observers C. Veillet, A. Doressoundiram. 3.6-m
CFHT + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
020309 568 0.50- 0.97- 020310 568 0.48- 1.02- MPO 12310 +0.90 day
Orbital elements:
2001 EB18 PHA 0.020D
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 312.31914 (2000.0) P Q
n 0.91227954 Peri. 101.93813 -0.07210532 +0.94538913
a 1.0528926 Node 155.50901 -0.90144729 -0.19815908
e 0.1835112 Incl. 50.06550 +0.42684143 -0.25879019
P 1.08 H 19.5 G 0.15 U 4
Residuals in seconds of arc
010301 704 0.5- 0.1+ 010313 704 0.1- 0.7+ 010316 046 0.7+ 1.3-
010301 704 0.2+ 0.0 010313 704 0.5- 0.2+ 020309 568 0.2- 0.3+
010301 704 0.3- 0.0 010316 046 0.3- 0.8- 020309 568 0.2- 0.5+
010301 704 0.3+ 0.2- 010316 046 0.6+ 0.1+ 020310 568 0.3+ 0.4-
010313 704 1.2+ 0.8- 010316 046 0.6- 0.1- 020310 568 0.3+ 0.4-
010313 704 0.1- 0.7+ 010316 046 0.6- 0.4+
010313 704 1.0+ 0.6+ 010316 046 0.8- 0.2+
Ephemeris:
2001 EB18 a,e,i = 1.05, 0.18, 50 q = 0.8597
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 03 07 05 15.19 -10 46.4 0.524 1.126 90.4 61.8 20.6
2002 03 17 05 28.88 +04 56.1 0.542 1.098 85.9 64.7 20.7
2002 03 27 05 44.75 +18 56.8 0.586 1.069 80.3 67.0 20.8
2002 04 06 06 02.30 +30 33.1 0.648 1.038 74.6 68.4 21.0
2002 04 16 06 21.26 +39 53.6 0.716 1.007 69.4 68.9 21.2
2002 04 26 06 41.40 +47 26.3 0.781 0.976 64.7 68.9 21.3
2002 05 06 07 02.47 +53 38.2 0.837 0.946 60.8 68.6 21.4
2002 05 16 07 24.38 +58 50.5 0.878 0.919 57.7 68.4 21.4
2002 05 26 07 46.99 +63 18.2 0.899 0.896 55.5 68.7 21.4
2002 06 05 08 10.12 +67 10.2 0.896 0.877 54.2 69.8 21.4
2002 06 15 08 33.8 +70 31.9 0.869 0.865 54.0 71.7 21.4
2002 06 25 08 57.8 +73 25.8 0.816 0.860 54.7 74.6 21.3
2002 07 05 09 22.2 +75 51.1 0.738 0.862 56.2 78.5 21.3
2002 07 15 09 47.3 +77 44.7 0.639 0.871 58.3 83.1 21.1
2002 07 25 10 13.4 +78 59.9 0.520 0.887 60.8 88.4 20.9
2002 08 04 10 41.1 +79 17.3 0.387 0.908 63.1 94.5 20.6
2002 08 14 11 12.7 +77 33.2 0.244 0.933 64.3 102.1 20.0
2002 08 24 11 50.69 +66 14.3 0.098 0.962 57.5 117.5 19.0
2002 09 03 12 40.94 -63 23.6 0.068 0.993 74.3 101.9 17.4
2002 09 13 13 56.9 -83 22.9 0.211 1.024 88.8 79.3 18.9
2002 09 23 16 01 -86 37.5 0.354 1.055 88.4 72.0 19.9
2002 10 03 18 46 -87 08.6 0.488 1.085 86.3 67.0 20.5
2002 10 13 20 52 -86 23.9 0.611 1.114 83.9 63.0 20.9
2002 10 23 22 09 -85 04.1 0.721 1.140 81.6 59.7 21.2
2002 11 02 22 58.8 -83 22.1 0.816 1.164 79.5 56.9 21.4
2002 11 12 23 36.8 -81 19.9 0.895 1.186 77.8 54.7 21.6
2002 11 22 00 08.3 -78 57.5 0.957 1.204 76.5 52.9 21.8
2002 12 02 00 36.1 -76 12.9 1.002 1.219 75.6 51.6 21.8
2002 12 12 01 01.7 -73 02.9 1.031 1.231 75.3 50.7 21.9
2002 12 22 01 26.03 -69 24.9 1.044 1.240 75.3 50.1 21.9
2003 01 01 01 49.53 -65 14.3 1.044 1.245 75.7 49.9 21.9
2003 01 11 02 12.66 -60 26.0 1.032 1.247 76.4 50.1 21.9
2003 01 21 02 35.64 -54 55.5 1.011 1.245 77.2 50.4 21.9
2003 01 31 02 58.62 -48 37.6 0.986 1.239 77.9 51.0 21.8
2003 02 10 03 21.81 -41 29.4 0.960 1.231 78.4 51.8 21.8
2003 02 20 03 45.30 -33 32.7 0.938 1.218 78.4 52.6 21.7
2003 03 02 04 09.16 -24 55.0 0.925 1.203 77.7 53.6 21.7
2003 03 12 04 33.53 -15 52.0 0.923 1.184 76.2 54.6 21.7
2003 03 22 04 58.45 -06 45.2 0.936 1.163 73.9 55.4 21.7
2003 04 01 05 23.99 +02 02.9 0.962 1.138 71.0 56.1 21.7
2003 04 11 05 50.27 +10 13.8 0.999 1.112 67.5 56.4 21.8
2003 04 21 06 17.35 +17 36.6 1.042 1.083 63.8 56.4 21.8
2003 05 01 06 45.34 +24 07.5 1.088 1.053 60.2 56.1 21.8
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-E30
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