MPEC 2005-X55 : 2001 YP3
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M.P.E.C. 2005-X55 Issued 2005 Dec. 10, 19:35 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 Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 YP3
Revision to MPEC 2001-Y34
Additional Observations:
K01Y03P HC2005 12 06.38971 09 33 12.85 +05 53 48.2 EX055291
K01Y03P HC2005 12 06.39520 09 33 15.22 +05 53 44.4 EX055291
K01Y03P HC2005 12 06.40062 09 33 17.95 +05 53 41.4 EX055291
K01Y03P tC2005 12 10.37968 10 08 19.50 +04 55 23.7 21.2 V EX055291
K01Y03P tC2005 12 10.38347 10 08 21.81 +04 55 18.3 21.4 V EX055291
K01Y03P tC2005 12 10.38736 10 08 23.96 +04 55 13.9 21.5 V EX055291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
051206 291 20.8+ 2.2- 051210 291 18.8+ 2.3- MPO 74118 -0.0014 day
Orbital elements:
2001 YP3 PHA 0.018
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 11.85504 (2000.0) P Q
n 0.24935709 Peri. 36.38369 -0.74179944 -0.65693066
a 2.4998939 Node 101.97650 +0.57817562 -0.72833933
e 0.6190225 Incl. 7.92156 +0.33977427 -0.19484334
P 3.95 H 22.0 G 0.15 U 0
Residuals in seconds of arc
011217 209 0.5- 0.1- 011231 649 0.0 1.6- 020105 198 (2.3- 1.3+)
011217 209 0.5+ 0.2+ 020101 413 0.3+ 0.1- 020105 198 1.4- 1.8+
011217 209 0.4- 0.5+ 020101 413 0.5+ 0.2- 020105 198 0.8- 2.0+
011218 209 1.3- 0.6+ 020101 413 0.3+ 0.4- 020106 644 0.5- 0.3+
011218 209 1.2- 0.7+ 020102 644 0.6- 0.4+ 020106 644 0.1- 0.1-
011218 209 1.4- 1.1+ 020102 644 0.3- 0.4+ 020106 644 0.1+ 0.1-
011219 704 0.6+ 0.7+ 020102 644 0.1+ 0.8+ 020108 704 0.6+ 0.5-
011219 704 0.4+ 0.2+ 020102 151 0.0 0.6+ 020108 704 0.2+ 0.5-
011219 704 0.4+ 0.3+ 020102 151 0.6- 0.4+ 020108 704 0.5+ 1.0-
011219 704 0.5+ 0.1+ 020102 151 0.2+ 0.4- 020108 704 0.4+ 1.3-
011220 704 0.2- 0.2- 020102 151 1.5- 0.8- 020108 704 0.3+ 1.1-
011220 704 0.6- 0.3+ 020102 151 0.7+ 0.3- 020108 151 0.7- 0.2+
011220 704 0.4- 0.8+ 020102 151 0.2- 0.2+ 020108 151 0.2+ 0.5+
011220 649 (2.9- 0.5-) 020102 185 1.6+ 0.1- 020108 151 1.0+ 0.1+
011220 649 0.4- 0.5+ 020102 185 0.2- 0.9- 020108 151 1.3+ 0.5-
011220 704 0.6- 0.7+ 020102 185 1.0+ 0.2- 020108 151 0.4- 0.7+
011220 649 0.1+ 0.3+ 020102 185 0.9- 1.4+ 020108 151 0.2- 0.0
011220 649 0.1+ 1.7+ 020102 185 1.7- 0.6+ 020108 151 0.4+ 0.1-
011220 461 0.7- 0.3+ 020103 046 0.8+ 1.2- 020108 151 0.2- 0.7+
011220 461 0.8+ 1.3+ 020103 046 0.1- 0.5+ 020109 118 0.3- 0.5+
011220 461 (1.1+ 2.6+) 020103 046 1.1- 0.2- 020109 118 0.2+ 0.2+
011222 704 0.2+ 0.6- 020104 644 0.1+ 0.1- 020109 118 0.2+ 0.0
011222 704 0.2+ 0.3+ 020104 644 0.2+ 1.1- 020109 118 0.3+ 0.0
011222 704 0.1+ 0.8- 020104 644 0.7+ 0.7+ 020110 670 0.2+ 0.3+
011222 704 1.6+ 0.4+ 020104 106 0.8- 0.3+ 020110 670 0.5+ 0.6+
011222 966 0.1- 0.1- 020104 106 0.0 0.1- 020110 670 0.3- 1.1-
011222 966 0.0 0.0 020104 198 (0.1- 3.2+) 020115 649 0.6- 0.1+
011223 704 0.1+ 0.2- 020104 215 0.4- 0.1- 020115 649 0.1- 0.2-
011223 704 0.2+ 0.5- 020104 215 0.3+ 0.1+ 020115 649 1.0+ 0.0
011223 704 0.2+ 0.4- 020104 215 0.2- 0.2- 020122 649 0.1+ 1.0-
011223 704 0.2- 0.3- 020104 215 1.3- 0.9+ 020122 649 1.0- 0.5-
011223 704 0.4- 0.2+ 020104 215 0.2- 0.2- 020212 696 0.8+ 0.9+
011223 704 0.1+ 1.4- 020104 198 (2.6+ 1.3-) 020212 696 0.1+ 0.2-
011223 704 0.0 0.4+ 020104 198 (2.5+ 3.5-) 020309 696 0.9+ 1.4+
011223 704 0.5+ 0.8- 020104 046 0.0 0.0 020309 696 0.3+ 0.4+
011223 704 0.3- 0.4+ 020104 046 0.4+ 0.0 020405 696 0.5- 0.5+
011223 046 0.2+ 0.6- 020104 046 0.3+ 0.3- 020405 696 1.1+ 0.6+
011223 046 0.7+ 0.3- 020104 046 0.2+ 0.0 020405 696 0.6- 0.9+
011223 046 0.5+ 0.1- 020104 046 0.1- 0.0 051206 291 (3.5+ 1.2-)
011223 046 1.6+ 0.2- 020104 046 0.0 0.3+ 051206 291 1.9- 0.6-
011223 557 0.4+ 0.3- 020105 699 0.0 0.3+ 051206 291 1.3- 0.8+
011223 557 0.5+ 0.1- 020105 699 0.3- 0.0 051210 291 3.0- 1.8+
011231 649 0.3- 1.1- 020105 699 1.0- 0.1+ 051210 291 1.0+ 0.1-
011231 649 0.3- 1.0- 020105 699 0.2- 0.2- 051210 291 1.7+ 0.9-
Ephemeris:
2001 YP3 a,e,i = 2.50, 0.62, 8 q = 0.9524
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 12 06 09 29.91 +05 59.4 0.274 1.113 110.8 55.9 21.5
2005 12 16 11 01.33 +03 21.7 0.247 1.051 98.8 67.7 21.5
2005 12 26 12 34.20 +00 27.5 0.256 1.001 86.6 78.6 21.8
2006 01 05 13 49.94 -01 53.7 0.294 0.968 78.4 84.3 22.2
Kyle E. Smalley (C) Copyright 2005 MPC M.P.E.C. 2005-X55
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