MPEC 2003-D13 : 2001 WN5
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M.P.E.C. 2003-D13 Issued 2003 Feb. 24, 02:13 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 WN5
Revision to MPEC 2002-B44
Additional Observations:
K01W05N C2003 02 23.28161 11 18 44.23 +01 13 07.2 715
K01W05N C2003 02 23.28945 11 18 43.62 +01 13 10.2 715
K01W05N C2003 02 23.29804 11 18 42.89 +01 13 14.1 715
K01W05N FC2003 02 23.98087 11 17 52.29 +01 17 56.8 20.9 R 599
K01W05N FC2003 02 23.99069 11 17 51.34 +01 18 00.6 20.6 R 599
K01W05N FC2003 02 24.00053 11 17 50.78 +01 18 03.6 20.8 R 599
K01W05N FC2003 02 24.01034 11 17 49.88 +01 18 09.9 20.7 R 599
Observer details:
599 Campo Imperatore-CINEOS. Observers A. Boattini, N. Napoleone, F. Bernardi,
E. Palomba, A. Di Paola. 0.60-m f/3 Schmidt + CCD.
715 Journada Observatory. Observer D. S. Dixon. 0.4-m f/10
Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
030223 715 31.6- 14.4+ 030224 599 31.4- 15.3+ MPO 26054 +0.032 day
Orbital elements:
2001 WN5 PHA 0.000
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 277.30947 (2000.0) P Q
n 0.44044930 Peri. 44.17629 +0.78760819 +0.61527888
a 1.7108244 Node 277.82244 -0.57422559 +0.71334921
e 0.4671298 Incl. 1.92307 -0.22346883 +0.33550678
P 2.24 H 18.3 G 0.15 U 3
Residuals in seconds of arc
010414 608 0.2+ 0.2+ 011204 413 0.7+ 0.3+ 011216 422 1.1+ 0.1-
010414 608 0.3- 0.2+ 011204 413 1.5+ 0.9+ 011216 422 0.9+ 0.1+
011120 699 0.4+ 0.7- 011204 413 0.1+ 0.9+ 011216 422 0.6+ 0.0
011120 699 1.0+ 0.4+ 011204 413 0.8+ 1.3+ 011216 422 2.1+ 0.2+
011120 699 0.0 0.1+ 011204 413 1.3+ 1.3+ 011217 691 0.0 0.2-
011120 699 0.1- 0.1- 011204 413 0.3+ 1.0+ 011217 715 1.0- 1.5-
011120 046 1.9+ 0.5- 011206 649 1.0+ 0.2- 011217 691 0.1+ 0.1+
011120 046 0.7+ 0.2+ 011206 649 0.2+ 1.0+ 011217 715 1.0- 1.2-
011120 557 1.3- 0.3- 011206 649 0.7+ 0.7+ 011217 715 0.7- 0.9-
011120 557 0.5- 0.2- 011207 658 0.1+ 0.4+ 011217 691 1.5+ 0.3+
011120 557 0.3+ 0.4+ 011207 658 0.1- 0.3+ 011227 715 0.7- 1.3-
011120 557 1.8- 0.4+ 011207 658 0.3+ 0.2+ 011227 715 1.0- 1.1-
011120 557 0.4- 0.3+ 011210 715 1.2- 0.6- 011227 715 0.1- 1.6-
011120 557 0.2- 1.2+ 011210 715 0.2- 1.0- 020109 696 1.1+ 0.2+
011120 557 1.0+ 0.0 011210 715 0.6- 1.2- 020109 696 0.9+ 0.1+
011121 918 0.3+ 0.5- 011210 587 1.4+ 1.0+ 020209 291 1.3+ 0.2+
011121 918 0.8- 0.5+ 011210 587 0.4+ 0.3+ 020209 291 2.9+ 0.8+
011121 918 1.1- 0.7- 011212 104 (5.2- 2.5-) 020209 291 0.2+ 1.5+
011121 918 0.2+ 0.2+ 011212 104 2.9- 0.9+ 030223 715 0.4- 0.3+
011122 711 0.1- 1.1+ 011212 104 0.0 0.0 030223 715 0.6- 0.0
011122 711 2.0+ 0.3+ 011212 104 2.1+ 0.6- 030223 715 1.8- 0.4+
011122 711 0.3- 0.3+ 011212 104 2.4- 0.2- 030223 599 2.1+ 0.4+
011202 715 0.3+ 0.1- 011213 620 0.4- 0.3- 030223 599 0.9- 0.0
011202 715 1.2- 0.6- 011213 620 0.7- 1.2+ 030224 599 2.1+ 1.1-
011202 715 1.5- 0.9- 011214 946 2.5- 1.1- 030224 599 0.1- 1.1+
Ephemeris:
2001 WN5 a,e,i = 1.71, 0.47, 2 q = 0.9116
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 02 20 11 22.65 +00 51.6 1.422 2.374 159.6 8.3 21.5
2003 03 02 11 10.01 +02 02.7 1.362 2.348 172.6 3.1 21.1
2003 03 12 10 56.06 +03 25.1 1.332 2.320 172.3 3.3 21.1
2003 03 22 10 42.39 +04 48.9 1.331 2.289 159.1 8.9 21.3
2003 04 01 10 30.52 +06 04.3 1.357 2.257 146.1 14.3 21.5
2003 04 11 10 21.61 +07 04.2 1.406 2.221 133.9 19.0 21.7
2003 04 21 10 16.23 +07 44.8 1.471 2.184 122.6 22.8 21.9
Gareth V. Williams (C) Copyright 2003 MPC M.P.E.C. 2003-D13
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