MPEC 2006-P29 : 2005 WJ56
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M.P.E.C. 2006-P29 Issued 2006 Aug. 8, 01:02 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 WJ56
Revision to MPEC 2005-W96
Additional Observations:
K05W56J C2006 08 04.86740 12 11 21.79 +60 28 47.2 17.8 EP029147
K05W56J C2006 08 04.86797 12 11 22.16 +60 28 49.6 17.9 EP029147
K05W56J C2006 08 04.86909 12 11 22.93 +60 28 54.5 18.0 EP029147
K05W56J C2006 08 04.87375 12 11 26.20 +60 29 14.1 EP029147
K05W56J C2006 08 04.87754 12 11 28.80 +60 29 30.2 EP029147
K05W56J C2006 08 07.87785 12 46 54.72 +63 35 37.3 EP029J95
K05W56J C2006 08 07.88184 12 46 57.50 +63 35 48.5 EP029J95
K05W56J C2006 08 07.88583 12 47 00.36 +63 36 00.3 18.2 R EP029J95
K05W56J C2006 08 07.88709 12 47 00.63 +63 36 00.5 18.1 R EP029204
K05W56J C2006 08 07.90369 12 47 12.57 +63 36 49.0 EP029204
K05W56J C2006 08 07.90776 12 47 15.47 +63 37 00.1 EP029204
K05W56J C2006 08 07.91933 12 47 23.66 +63 37 33.0 EP029204
Observer details:
147 Osservatorio Astronomico di Suno. Observers C. Cremaschini, D. Crespi,
S. Foglia, G. Galli, S. Minuto. Measurers S. Foglia, S. Minuto. 0.40-m
f/4 reflector + CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
060804 147 49.1- 84.2+ 060807 204 41.6- 81.7+ MPO102260 -0.00038 day
Orbital elements:
2005 WJ56 PHA, Earth MOID = 0.0218 AU
Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC
M 119.57941 (2000.0) P Q
n 1.05024438 Peri. 297.85788 -0.63577646 +0.68784521
a 0.9585376 Node 288.12220 -0.51240912 -0.71544550
e 0.1519265 Incl. 21.62339 -0.57725660 -0.12250184
P 0.94 H 18.0 G 0.15 U 3
Residuals in seconds of arc
051129 704 0.5+ 1.1+ 051204 448 0.2- 0.7- 060120 291 0.9- 0.7+
051129 704 0.8+ 0.6+ 051207 A50 1.1+ 0.2- 060123 461 0.4+ 0.2-
051129 704 0.0 0.6+ 051207 A50 0.4- 0.3- 060123 461 0.0 0.2+
051129 704 0.3- 0.0 051207 A50 0.3+ 0.4+ 060123 461 0.1- 0.4+
051129 704 0.3- 0.6+ 051207 A50 0.6- 0.1+ 060204 448 0.3+ 0.4-
051130 711 1.2- 0.5+ 051208 291 0.1+ 0.0 060204 448 0.1+ 0.4-
051130 711 0.2- 0.0 051208 291 0.7+ 0.0 060204 448 0.4- 0.5-
051130 711 0.1- 0.1+ 051208 291 1.3+ 0.0 060217 H36 1.6+ 0.9+
051130 704 1.1- 0.1+ 051212 461 0.3- 0.1- 060217 H36 (2.9+ 1.1+)
051130 G96 0.3- 0.4- 051212 461 0.1- 0.2+ 060224 G96 0.1+ 0.2-
051130 G96 0.2- 0.3- 051212 461 1.0- 0.3+ 060224 G96 0.0 0.2-
051130 704 0.8- 0.7+ 051217 448 0.5+ 0.9- 060224 G96 0.4+ 0.0
051130 704 0.3- 0.2- 051217 448 0.2- 0.2+ 060331 D35 (3.9+ 2.0-)
051130 147 0.1- 0.4- 051217 448 1.2- 0.2- 060331 D35 (6.9+ 2.9-)
051130 147 0.3- 0.1- 051224 291 0.5- 0.2- 060331 D35 (4.0+ 1.0-)
051130 147 0.3- 0.0 051224 291 0.1+ 0.1+ 060804 147 0.6+ 0.0
051201 113 (6.4- 0.6-) 051224 291 0.3+ 0.1+ 060804 147 0.4+ 0.0
051201 113 (6.6- 0.9-) 051229 291 0.0 0.0 060804 147 0.3+ 0.2+
051201 113 (7.0- 0.8-) 051229 291 0.2+ 0.0 060804 147 0.4+ 0.2+
051203 932 0.1- 0.1- 051229 291 0.2+ 0.0 060804 147 0.0 0.4+
051203 932 0.1- 0.6- 060105 448 0.1+ 0.2- 060807 J95 0.1+ 0.2+
051203 932 0.0 0.0 060105 448 0.2+ 0.0 060807 J95 0.2- 0.2-
051203 932 0.2- 0.1- 060105 448 0.1+ 0.3- 060807 J95 0.0 0.0
051203 932 0.0 0.2- 060111 461 0.1+ 0.1- 060807 204 0.4- 0.0
051203 932 0.1+ 0.3- 060111 461 0.4+ 0.0 060807 204 0.0 0.5+
051204 448 0.5- 0.6- 060120 291 0.1- 0.1- 060807 204 0.2- 0.2-
051204 448 0.6- 0.7- 060120 291 0.1- 0.1+ 060807 204 1.0- 0.7-
Ephemeris:
2005 WJ56 a,e,i = 0.96, 0.15, 22 q = 0.8129
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 08 03 11 50.08 +57 58.3 0.165 0.922 51.9 119.9 18.8
2006 08 13 13 46.24 +66 42.3 0.208 0.949 66.3 102.1 18.2
2006 08 23 15 18.07 +68 06.8 0.255 0.976 74.7 90.7 18.2
2006 09 02 16 16.07 +67 13.0 0.299 1.001 79.9 83.0 18.3
2006 09 12 16 54.54 +65 46.5 0.336 1.024 83.5 77.5 18.4
2006 09 22 17 24.47 +64 10.9 0.366 1.045 86.2 73.4 18.5
2006 10 02 17 51.97 +62 31.9 0.387 1.063 88.5 70.2 18.5
2006 10 12 18 20.03 +60 50.1 0.400 1.079 90.5 67.7 18.6
2006 10 22 18 50.55 +59 01.2 0.405 1.090 92.4 65.8 18.5
2006 11 01 19 24.76 +57 01.5 0.404 1.099 94.2 64.3 18.5
2006 11 11 20 03.03 +54 43.5 0.398 1.103 95.7 63.3 18.5
2006 11 21 20 45.45 +51 55.5 0.390 1.104 96.8 62.7 18.4
2006 12 01 21 31.38 +48 26.6 0.380 1.101 97.4 62.6 18.3
2006 12 11 22 19.32 +44 07.1 0.372 1.095 97.1 63.2 18.3
2006 12 21 23 07.55 +38 53.4 0.367 1.085 95.9 64.4 18.3
2006 12 31 23 54.38 +32 56.0 0.369 1.072 93.6 66.3 18.3
2007 01 10 00 38.42 +26 32.6 0.376 1.055 90.4 68.8 18.4
2007 01 20 01 19.02 +20 04.6 0.388 1.035 86.5 71.6 18.5
2007 01 30 01 56.00 +13 49.3 0.405 1.013 82.2 74.4 18.7
2007 02 09 02 29.32 +07 54.0 0.424 0.989 77.9 77.3 18.8
2007 02 19 02 59.11 +02 19.9 0.441 0.963 73.7 80.2 18.9
2007 03 01 03 25.43 -02 56.4 0.455 0.936 69.7 83.2 19.1
2007 03 11 03 48.01 -08 00.2 0.464 0.909 66.0 86.3 19.2
2007 03 21 04 06.45 -12 53.5 0.465 0.883 62.5 89.7 19.2
Gareth V. Williams (C) Copyright 2006 MPC M.P.E.C. 2006-P29
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