MPEC 2010-R92 : 2009 YE7
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M.P.E.C. 2010-R92 Issued 2010 Sept. 12, 14:00 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 https://www.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
2009 YE7
Additional Observations:
K09Y07E C2010 09 11.35097 04 09 47.202-08 41 53.12 22.3 r ER092304
K09Y07E C2010 09 11.38391 04 09 47.178-08 41 54.35 ER092304
K09Y07E C2010 09 12.37765 04 09 46.554-08 42 28.20 ER092304
Observer details:
304 Las Campanas Observatory. Observer S. S. Sheppard. Magellan-Baade 6.5-m
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
100911 304 42.5- 7.6- 100912 304 42.7- 7.6- MPO175320
Orbital elements:
2009 YE7
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 176.91450 (2000.0) P Q
n 0.00332051 Peri. 97.28071 -0.44141017 +0.84451913
a 44.4972352 Node 141.42289 -0.88606595 -0.46355763
e 0.1388193 Incl. 29.09587 +0.14157752 -0.26814503
P 297 H 4.5 G 0.15 U 7
Residuals in seconds of arc
091213 809 (2.3- 0.2-) 091218 809 0.3- 0.3+ 100318 807 0.1+ 0.6+
091213 809 0.4- 0.2- 100106 809 0.0 0.2- 100321 807 0.0 0.0
091217 809 0.5+ 0.2+ 100106 809 0.2+ 0.7- 100911 304 0.0 0.1+
091217 809 0.1+ 0.2+ 100106 809 0.0 0.2- 100911 304 0.1- 0.0
091217 809 0.0 0.2+ 100203 807 0.1- 0.0 100912 304 0.0 0.1-
091218 809 0.3- 0.2+ 100206 807 0.2+ 0.3-
091218 809 0.0 0.2+ 100208 807 0.2- 0.4-
Ephemeris:
2009 YE7 a,e,i = 44.50, 0.14, 29 q = 38.320
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 09 11 04 09.79 -08 41.7 50.364 50.668 107.0 1.1 21.7
2010 09 21 04 09.63 -08 47.4 50.230 50.668 115.4 1.0 21.7
2010 10 01 04 09.35 -08 53.0 50.108 50.668 123.5 0.9 21.7
2010 10 11 04 08.96 -08 58.3 50.003 50.669 131.3 0.8 21.7
2010 10 21 04 08.46 -09 03.2 49.918 50.669 138.5 0.7 21.6
2010 10 31 04 07.89 -09 07.5 49.856 50.669 144.6 0.6 21.6
2010 11 10 04 07.24 -09 11.0 49.818 50.669 148.9 0.6 21.6
2010 11 20 04 06.56 -09 13.7 49.807 50.669 150.5 0.6 21.6
2010 11 30 04 05.87 -09 15.3 49.822 50.669 148.9 0.6 21.6
2010 12 10 04 05.18 -09 15.8 49.864 50.669 144.6 0.6 21.6
2010 12 20 04 04.53 -09 15.2 49.931 50.669 138.3 0.7 21.6
2010 12 30 04 03.95 -09 13.5 50.021 50.670 130.9 0.8 21.7
2011 01 09 04 03.44 -09 10.8 50.131 50.670 122.8 0.9 21.7
2011 01 19 04 03.03 -09 07.1 50.258 50.670 114.2 1.0 21.7
2011 01 29 04 02.74 -09 02.5 50.397 50.670 105.5 1.1 21.7
2011 02 08 04 02.58 -08 57.3 50.545 50.670 96.7 1.1 21.7
2011 02 18 04 02.55 -08 51.4 50.697 50.670 87.9 1.1 21.7
2011 02 28 04 02.65 -08 45.2 50.848 50.670 79.1 1.1 21.7
2011 03 10 04 02.89 -08 38.8 50.993 50.670 70.5 1.1 21.7
2011 03 20 04 03.25 -08 32.4 51.128 50.670 62.1 1.0 21.7
2011 03 30 04 03.73 -08 26.1 51.250 50.670 54.0 0.9 21.7
2011 04 09 04 04.32 -08 20.2 51.355 50.671 46.4 0.8 21.7
2011 04 19 04 04.99 -08 14.7 51.440 50.671 39.6 0.7 21.7
2011 04 29 04 05.73 -08 09.8 51.504 50.671 33.9 0.6 21.7
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-R92
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