MPEC 2002-B44 : 2001 WN5
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M.P.E.C. 2002-B44 Issued 2002 Jan. 30, 13:23 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 2001-W51
Observations:
K01W05N C2001 04 14.36319 12 40 32.05 -08 58 39.5 18.9 V 608
K01W05N C2001 04 14.42837 12 40 24.95 -08 57 57.0 18.8 V 608
Observer details:
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD.
Images located and measured by R. Haver, A. Pelloni and G. Forti.
Orbital elements:
2001 WN5 PHA 0.000
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 13.27671 (2000.0) P Q
n 0.44039701 Peri. 44.04281 +0.78669505 +0.61644453
a 1.7109598 Node 277.87099 -0.57528310 +0.71248010
e 0.4665708 Incl. 1.92485 -0.22396485 +0.33521373
P 2.24 H 18.4 G 0.15 U 5
Residuals in seconds of arc
010414 608 0.4+ 0.4+ 011202 715 0.1+ 0.2- 011212 104 0.3- 0.1+
010414 608 0.1- 0.5+ 011202 715 1.4- 0.7- 011212 104 1.8+ 0.5-
011120 699 0.5+ 0.9- 011202 715 1.7- 0.9- 011212 104 (2.6- 0.1-)
011120 699 1.0+ 0.2+ 011204 413 0.5+ 0.3+ 011213 620 0.6- 0.2-
011120 699 0.1+ 0.1- 011204 413 1.3+ 0.9+ 011213 620 1.0- 1.3+
011120 699 0.0 0.3- 011204 413 0.1- 0.9+ 011214 946 (2.8- 1.0-)
011120 046 2.0+ 0.6- 011204 413 0.6+ 1.3+ 011216 422 0.9+ 0.0
011120 046 0.7+ 0.0 011204 413 1.1+ 1.3+ 011216 422 0.6+ 0.2+
011120 557 1.3- 0.4- 011204 413 0.1+ 1.0+ 011216 422 0.4+ 0.1+
011120 557 0.4- 0.4- 011206 649 0.8+ 0.2- 011216 422 1.8+ 0.3+
011120 557 0.3+ 0.3+ 011206 649 0.1- 1.0+ 011217 691 0.2- 0.1-
011120 557 1.7- 0.3+ 011206 649 0.4+ 0.7+ 011217 715 1.2- 1.4-
011120 557 0.4- 0.1+ 011207 658 0.2- 0.4+ 011217 691 0.2- 0.2+
011120 557 0.2- 1.1+ 011207 658 0.3- 0.3+ 011217 715 1.3- 1.1-
011120 557 1.0+ 0.2- 011207 658 0.1+ 0.2+ 011217 715 0.9- 0.8-
011121 918 0.3+ 0.7- 011210 715 1.5- 0.6- 011217 691 1.3+ 0.4+
011121 918 0.8- 0.3+ 011210 715 0.5- 1.0- 011227 715 0.9- 1.1-
011121 918 1.1- 0.8- 011210 715 0.8- 1.1- 011227 715 1.2- 0.9-
011121 918 0.2+ 0.0 011210 587 1.1+ 1.0+ 011227 715 0.3- 1.3-
011122 711 0.1- 1.0+ 011210 587 0.1+ 0.3+ 020109 696 1.1+ 0.6+
011122 711 (2.0+ 0.2+) 011212 104 (5.5- 2.4-) 020109 696 0.8+ 0.4+
011122 711 0.3- 0.2+ 011212 104 (3.1- 0.9+)
Ephemeris:
2001 WN5 a,e,i = 1.71, 0.47, 2 q = 0.9127
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 01 26 02 17.06 +14 45.7 1.275 1.626 91.1 37.3 21.5
2002 02 05 02 40.06 +16 22.5 1.429 1.689 86.7 35.6 21.8
2002 02 15 03 02.34 +17 48.3 1.587 1.750 82.1 34.0 22.0
2002 02 25 03 24.14 +19 03.6 1.746 1.809 77.4 32.3 22.3
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-B44
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