MPEC 2005-Y50 : 2005 YW55
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M.P.E.C. 2005-Y50 Issued 2005 Dec. 29, 12:47 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 YW55
Observations:
K05Y55W* C2005 12 28.39957 08 56 56.07 -05 50 56.0 19.1 V EY050703
K05Y55W C2005 12 28.40873 08 56 56.32 -05 51 14.0 19.5 V EY050703
K05Y55W C2005 12 28.41818 08 56 56.79 -05 51 33.9 19.2 V EY050703
K05Y55W C2005 12 28.42743 08 56 57.19 -05 51 52.3 19.6 V EY050703
K05Y55W C2005 12 28.45986 08 56 58.34 -05 52 57.2 18.9 V EY050703
K05Y55W C2005 12 28.46691 08 56 58.56 -05 53 10.7 18.7 V EY050703
K05Y55W C2005 12 28.47406 08 56 58.84 -05 53 26.0 18.5 V EY050703
K05Y55W C2005 12 28.48099 08 56 59.13 -05 53 39.2 19.0 V EY050703
K05Y55W C2005 12 28.56910 08 57 04.10 -05 56 07.7 19.0 R EY050474
K05Y55W C2005 12 28.57130 08 57 04.17 -05 56 12.4 18.9 R EY050474
K05Y55W C2005 12 28.57442 08 57 04.28 -05 56 18.4 18.5 R EY050474
K05Y55W C2005 12 28.58391 08 57 04.58 -05 56 36.7 18.9 R EY050474
K05Y55W C2005 12 28.72903 08 57 10.44 -06 01 33.5 18.9 V EY050E12
K05Y55W C2005 12 28.73476 08 57 10.65 -06 01 45.3 19.0 V EY050E12
K05Y55W C2005 12 28.73843 08 57 10.80 -06 01 51.9 18.9 V EY050E12
K05Y55W C2005 12 29.30451 08 57 36.76 -06 21 15.5 19.7 V EY050703
K05Y55W C2005 12 29.31238 08 57 37.05 -06 21 30.7 19.5 V EY050703
K05Y55W C2005 12 29.32015 08 57 37.31 -06 21 47.1 19.0 V EY050703
K05Y55W C2005 12 29.32799 08 57 37.61 -06 22 02.5 19.2 V EY050703
K05Y55W C2005 12 29.34440 08 57 38.24 -06 22 34.5 19.2 R EY050651
K05Y55W C2005 12 29.34567 08 57 38.28 -06 22 37.2 19.2 R EY050651
K05Y55W C2005 12 29.34693 08 57 38.37 -06 22 39.6 19.6 R EY050651
K05Y55W C2005 12 29.39751 08 57 39.68 -06 24 24.3 19.0 R EY050734
K05Y55W 5C2005 12 29.40000 08 57 40.27 -06 24 27.7 19.0 R EY050673
K05Y55W C2005 12 29.40045 08 57 39.81 -06 24 30.4 19.1 R EY050734
K05Y55W 5C2005 12 29.40231 08 57 40.36 -06 24 32.7 EY050673
K05Y55W C2005 12 29.40339 08 57 39.89 -06 24 36.4 19.2 R EY050734
K05Y55W C2005 12 29.41050 08 57 40.33 -06 24 47.6 19.0 R EY050711
K05Y55W 5C2005 12 29.41065 08 57 40.66 -06 24 49.3 EY050673
K05Y55W 5C2005 12 29.41493 08 57 40.78 -06 24 58.0 EY050673
K05Y55W C2005 12 29.41543 08 57 40.50 -06 24 57.6 19.0 R EY050711
K05Y55W C2005 12 29.42281 08 57 40.76 -06 25 13.3 19.1 R EY050711
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
734 Farpoint Observatory. Observer G. Hug. Measurer D. Tibbets. 0.7-m
reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
2005 YW55
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 11.36421 (2000.0) P Q
n 0.48288722 Peri. 263.94799 -0.78254250 -0.61010063
a 1.6090600 Node 238.38588 +0.61317958 -0.72069408
e 0.2397258 Incl. 8.38033 +0.10787978 -0.32920703
P 2.04 H 19.5 G 0.15 U 9
Residuals in seconds of arc
051228 703 0.5- 0.1- 051228 474 0.6- 0.6+ 051229 734 0.4- 0.1+
051228 703 1.8- 0.4+ 051228 E12 0.2+ 0.1+ 051229 673 0.2- 0.3+
051228 703 0.1+ 0.5- 051228 E12 0.2+ 0.2- 051229 734 0.0 0.1-
051228 703 1.0+ 0.3- 051228 E12 0.5+ 0.6+ 051229 673 0.0 0.1-
051228 703 0.3+ 0.1- 051229 703 0.2- 0.5- 051229 734 0.4- 0.2-
051228 703 0.3- 0.6+ 051229 703 0.2- 0.2+ 051229 711 0.2+ 0.3+
051228 703 0.1- 0.4- 051229 703 0.4- 0.5- 051229 673 0.2+ 0.1+
051228 703 0.4+ 0.3+ 051229 703 0.1- 0.1- 051229 673 0.2- 0.0
051228 474 0.6+ 0.2- 051229 651 0.6+ 0.7+ 051229 711 0.2+ 0.2+
051228 474 0.4+ 0.5- 051229 651 0.5+ 0.6+ 051229 711 0.3+ 0.7-
051228 474 0.3+ 0.2- 051229 651 1.2+ 0.7+
Ephemeris:
2005 YW55 a,e,i = 1.61, 0.24, 8 q = 1.2233
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 12 26 08 55.01 -04 30.3 0.380 1.272 132.7 34.6 19.4
2006 01 05 09 01.51 -10 02.9 0.343 1.254 136.2 32.9 19.1
2006 01 15 09 04.18 -15 12.0 0.317 1.240 138.9 31.5 18.8
2006 01 25 09 03.52 -19 26.1 0.298 1.230 140.6 30.6 18.6
2006 02 04 09 00.86 -22 14.7 0.288 1.224 141.3 30.2 18.5
2006 02 14 08 58.53 -23 21.9 0.285 1.224 141.4 30.2 18.5
2006 02 24 08 58.81 -22 49.5 0.289 1.228 140.9 30.6 18.6
2006 03 06 09 03.43 -20 53.9 0.300 1.236 139.9 31.2 18.7
2006 03 16 09 13.14 -18 04.9 0.317 1.249 138.2 32.0 18.9
2006 03 26 09 27.49 -14 53.3 0.343 1.266 135.9 33.3 19.1
2006 04 05 09 45.61 -11 46.4 0.377 1.287 132.9 34.7 19.4
2006 04 15 10 06.44 -09 05.2 0.421 1.311 129.4 36.3 19.7
2006 04 25 10 28.88 -07 00.2 0.473 1.338 125.5 37.7 20.0
2006 05 05 10 52.19 -05 34.8 0.535 1.366 121.5 39.0 20.4
2006 05 15 11 15.79 -04 47.7 0.605 1.397 117.4 40.0 20.7
2006 05 25 11 39.29 -04 33.6 0.684 1.429 113.3 40.6 21.0
2006 06 04 12 02.55 -04 47.0 0.769 1.462 109.3 40.9 21.4
2006 06 14 12 25.49 -05 22.1 0.862 1.495 105.2 41.0 21.7
2006 06 24 12 48.08 -06 13.3 0.961 1.528 101.2 40.7 21.9
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-Y50
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