MPEC 2009-Y46 : 2007 YV56
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M.P.E.C. 2009-Y46 Issued 2009 Dec. 23, 15:53 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 YV56
Revision to MPEC 2008-A16
Additional Observations:
K07Y56V 2C2009 08 12.26830913 46 48.028-07 47 03.61 23 R EY046568
K07Y56V 2C2009 12 09.64114212 51 43.682-10 40 24.14 EY046568
K07Y56V 2C2009 12 09.64774112 51 41.329-10 39 59.32 21.6 R EY046568
K07Y56V 2C2009 12 19.60202411 58 38.985-00 17 53.10 20.3 R EY046568
K07Y56V 2C2009 12 19.60297611 58 38.682-00 17 49.64 20.3 R EY046568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, M. Ishiguro, D. J. Tholen.
Measurer D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
090812 568 14.2+ 16.8- 091219 568 0.09- 0.07+ MPO141905 -0.064 day
Orbital elements:
2007 YV56 PHA, Earth MOID = 0.0052 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 33.07750 (2000.0) P Q
n 0.49833099 Peri. 265.52110 +0.98423687 -0.14142458
a 1.5756416 Node 102.58301 +0.17130466 +0.91160689
e 0.6220837 Incl. 6.24649 -0.04396009 +0.38596887
P 1.98 H 21.0 G 0.15 U 1
Residuals in seconds of arc
071231 703 0.1- 0.1+ 080103 H55 0.1+ 0.0 080108 A13 (2.7- 1.2+)
071231 703 0.5- 0.4- 080103 H55 0.2+ 0.1+ 080108 A13 (2.3- 1.2+)
071231 703 0.3- 0.3- 080103 H45 0.0 0.2- 080108 A13 (2.3- 0.9+)
071231 703 1.2- 0.0 080103 H45 0.4+ 0.2- 080108 A13 (2.2- 0.8+)
071231 703 1.4- 0.1- 080103 H45 0.3+ 0.0 080108 A13 (2.6- 1.6+)
071231 703 1.0- 0.7- 080103 H45 0.3+ 0.1+ 080110 704 0.2+ 0.4+
071231 703 (1.2- 2.1-) 080103 H45 0.1+ 0.3+ 080110 704 0.2+ 0.4+
071231 703 (0.1- 1.7-) 080103 H45 1.3- 0.6+ 080110 704 0.3+ 0.2+
071231 703 0.4+ 0.2- 080103 H45 0.1- 0.1+ 080110 704 0.3+ 0.6+
071231 703 0.7+ 0.8- 080103 H45 (0.5+ 3.0+) 080110 704 0.3+ 0.5+
080101 595 0.5- 0.1+ 080103 H45 1.2+ 0.6- 080111 461 0.3+ 0.3+
080101 595 0.4- 0.6+ 080103 H45 0.2+ 0.1+ 080111 461 0.1- 0.1-
080101 B55 0.6- 0.4+ 080104 711 0.7+ 0.4+ 080111 461 0.3- 0.1+
080101 595 0.3- 0.2+ 080104 711 0.7+ 0.8+ 080118 448 0.4- 0.3+
080101 B55 0.1- 0.5- 080104 H45 0.3- 0.4+ 080118 448 0.1- 0.2+
080101 204 0.2+ 0.1+ 080104 H45 0.1+ 0.2+ 080118 448 0.7- 0.1+
080101 204 0.2+ 0.1+ 080104 711 0.8+ 0.2- 080127 H55 0.0 0.3-
080101 204 0.1+ 0.0 080104 H45 0.1- 0.1+ 080127 H55 0.2+ 0.0
080101 H06 1.1+ 0.1- 080104 H45 0.2+ 0.0 080127 H55 0.1+ 0.6+
080101 H06 0.5+ 0.6- 080104 H45 0.2+ 0.1+ 080130 649 0.1+ 0.4+
080101 G96 0.1+ 0.2+ 080104 H45 0.5+ 0.1- 080130 649 0.6- 0.2+
080101 G96 0.0 0.1+ 080104 H45 0.2+ 0.5+ 080130 649 0.1+ 0.1+
080101 G96 0.1+ 0.0 080104 H45 0.1+ 0.3+ 080131 291 0.4- 0.8-
080101 G96 0.0 0.2+ 080105 J65 1.0- 1.3+ 080131 291 0.3- 0.3+
080101 G96 0.0 0.2- 080106 J95 0.1+ 0.2- 080131 291 0.5+ 1.2-
080101 G96 0.3- 0.1- 080106 J95 0.3+ 0.2- 080204 711 0.7+ 0.7+
080101 G96 0.5- 0.2- 080106 J95 0.1+ 0.4- 080204 711 0.3+ 0.6+
080101 G96 0.6- 0.1- 080108 A13 (2.3- 1.6+) 080204 711 0.9+ 0.4+
080102 I77 0.8- 0.2- 080108 A13 (2.8- 0.7+) 080212 291 1.2- 0.2-
080102 I77 0.5- 0.4- 080108 A13 (2.8- 0.9+) 080212 291 0.3- 0.1+
080102 I77 0.0 0.6- 080108 A13 (2.4- 0.7+) 080212 291 0.5- 0.3+
080103 H55 0.1+ 0.1- 080108 A13 (2.3- 1.3+) 090812 568 0.1+ 0.0
080103 H55 0.2+ 0.1- 080108 A13 (2.4- 1.1+) 091209 568 0.0 0.0
080103 H55 0.2+ 0.1- 080108 A13 (2.5- 0.9+) 091209 568 0.0 0.1-
080103 H55 0.1+ 0.0 080108 A13 (3.0- 1.6+) 091219 568 0.1+ 0.1+
080103 H55 0.1+ 0.1- 080108 A13 (2.6- 1.3+) 091219 568 0.0 0.1+
Ephemeris:
2007 YV56 a,e,i = 1.58, 0.62, 6 q = 0.5955
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 12 22.33 -05 02.2 0.239 0.955 75.9 90.0 21.0
2009 12 25 11 31.65 +05 03.8 0.251 1.063 101.7 65.0 20.4
2010 01 04 10 42.02 +14 02.1 0.277 1.169 126.5 42.6 20.2
2010 01 14 09 53.80 +20 59.8 0.323 1.272 149.3 23.3 20.2
2010 01 24 09 11.91 +25 25.8 0.392 1.370 167.4 9.0 20.3
2010 02 03 08 40.69 +27 41.6 0.486 1.464 167.6 8.3 20.8
2010 02 13 08 20.66 +28 33.8 0.600 1.552 155.2 15.4 21.7
Gareth V. Williams (C) Copyright 2009 MPC M.P.E.C. 2009-Y46
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