MPEC 2006-Q18 : 2005 YL128
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M.P.E.C. 2006-Q18 Issued 2006 Aug. 21, 20:45 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
2005 YL128
Revision to MPEC 2005-Y61
Additional Observations:
K05YC8L 2C2006 07 26.47781501 16 03.442+37 56 00.87 21.5 R EQ018568
K05YC8L 2C2006 07 26.48175701 16 03.408+37 56 07.10 21.6 R EQ018568
K05YC8L 2C2006 07 26.48560301 16 03.368+37 56 13.11 21.1 R EQ018568
K05YC8L 2C2006 08 11.41664601 06 57.380+43 53 21.94 22.2 R EQ018568
K05YC8L 2C2006 08 11.42281101 06 56.966+43 53 29.31 22.0 R EQ018568
Observer details:
568 Mauna Kea. Observer F. Bernardi. 2.24-m University of Hawaii reflector
+ 2048 CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
060726 568 1.6+ 2.1- 060811 568 2.5+ 2.1- MPO 98055 -0.00005 day
Orbital elements:
2005 YL128 Earth MOID = 0.1267 AU
Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC
M 88.94788 (2000.0) P Q
n 0.62478421 Peri. 309.15622 -0.60246100 +0.73527838
a 1.3551354 Node 280.93754 -0.59932562 -0.67366645
e 0.4475451 Incl. 18.43559 -0.52711435 -0.07442596
P 1.58 H 20.8 G 0.15 U 3
Residuals in seconds of arc
051229 691 0.4+ 0.4+ 060105 F65 0.1+ 0.3+ 060123 291 0.0 0.1+
051229 691 0.1+ 0.2+ 060105 F65 0.1+ 0.1+ 060123 291 0.1- 0.2-
051229 691 0.2+ 0.2+ 060105 F65 0.1- 0.2- 060125 291 0.1- 0.2+
051230 291 0.2- 0.2- 060107 291 0.5- 0.1+ 060125 291 2.5- 2.5+
051230 291 0.2- 0.1- 060107 291 0.9- 0.2- 060125 291 0.7+ 1.6-
051230 291 0.1+ 0.2+ 060107 291 0.2- 0.9- 060129 291 0.6- 0.3-
051230 G96 0.3- 0.3+ 060108 291 0.3+ 0.0 060129 291 0.1+ 0.2+
051230 G96 0.2+ 0.1+ 060108 291 0.8+ 0.2- 060129 291 0.0 0.8-
051230 G96 1.0- 0.2+ 060108 291 0.1+ 0.2- 060201 291 0.2+ 0.2-
051230 711 (3.6- 0.1+) 060110 291 0.3+ 0.6- 060201 291 0.1- 0.2+
051230 G96 0.3+ 0.1+ 060110 291 0.1- 0.2+ 060201 291 0.1+ 0.3+
051230 711 0.5+ 0.1+ 060110 291 0.0 0.7+ 060220 291 0.1+ 0.1+
051230 G96 0.3+ 0.0 060110 291 0.1- 0.0 060220 291 0.0 0.5+
051230 711 0.2- 1.0+ 060118 F65 0.1+ 0.2- 060220 291 0.0 0.3-
051230 G96 0.0 0.1- 060118 F65 0.3+ 0.1- 060726 568 0.1- 0.0
051230 G96 0.6- 1.7- 060118 F65 0.1+ 0.3+ 060726 568 0.1- 0.0
051230 G96 0.5- 0.2- 060118 F65 0.2+ 0.3- 060726 568 0.1- 0.0
060105 291 0.1+ 0.4+ 060121 291 0.2+ 0.9- 060811 568 0.1+ 0.0
060105 291 0.1+ 0.5+ 060121 291 0.9+ 0.2- 060811 568 0.2+ 0.0
060105 291 0.1- 0.1+ 060121 291 2.5+ 0.9-
060105 F65 0.1- 0.1- 060123 291 0.4- 1.3+
Ephemeris:
2005 YL128 a,e,i = 1.36, 0.45, 18 q = 0.7487
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 08 13 01 05.13 +44 22.9 0.691 1.351 103.2 46.9 22.4
2006 08 23 00 49.40 +46 55.9 0.690 1.416 111.2 41.8 22.4
2006 09 02 00 26.72 +48 13.9 0.692 1.477 119.3 36.6 22.3
2006 09 12 23 59.84 +47 57.3 0.702 1.534 127.0 31.6 22.3
2006 09 22 23 33.45 +46 01.0 0.722 1.588 133.2 27.4 22.3
2006 10 02 23 12.08 +42 43.4 0.758 1.639 136.9 24.7 22.4
2006 10 12 22 57.98 +38 40.9 0.811 1.685 137.0 23.8 22.6
2006 10 22 22 51.10 +34 30.0 0.882 1.728 133.9 24.5 22.9
Gareth V. Williams (C) Copyright 2006 MPC M.P.E.C. 2006-Q18
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