MPEC 2005-W05 : 1998 XX2
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M.P.E.C. 2005-W05 Issued 2005 Nov. 17, 11:32 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
1998 XX2
Revision to MPEC 1998-X34
Additional Observations:
J98X02X C2005 11 16.50182 23 26 29.47 -36 56 45.0 17.5 V EW005E12
J98X02X C2005 11 16.51250 23 26 27.16 -36 55 38.2 17.8 V EW005E12
J98X02X C2005 11 16.52314 23 26 24.79 -36 54 29.8 17.4 V EW005E12
J98X02X C2005 11 16.53378 23 26 22.52 -36 53 20.9 17.4 V EW005E12
J98X02X C2005 11 16.57535 23 26 13.70 -36 48 53.4 17.4 V EW005E12
J98X02X C2005 11 16.57576 23 26 13.59 -36 48 50.1 17.4 V EW005E12
J98X02X C2005 11 16.57618 23 26 13.52 -36 48 47.8 17.7 V EW005E12
J98X02X C2005 11 16.57660 23 26 13.45 -36 48 45.2 16.9 V EW005E12
J98X02X C2005 11 16.57742 23 26 13.30 -36 48 40.5 17.5 V EW005E12
J98X02X C2005 11 16.57784 23 26 13.12 -36 48 37.8 17.6 V EW005E12
J98X02X C2005 11 16.57825 23 26 13.09 -36 48 34.9 17.9 V EW005E12
J98X02X C2005 11 16.57867 23 26 13.05 -36 48 31.7 17.2 V EW005E12
J98X02X C2005 11 16.57909 23 26 12.91 -36 48 28.2 17.0 V EW005E12
J98X02X C2005 11 16.60837 23 26 07.00 -36 45 20.4 17.5 V EW005E12
J98X02X C2005 11 16.60880 23 26 06.90 -36 45 17.7 17.1 V EW005E12
J98X02X C2005 11 16.60920 23 26 06.82 -36 45 14.2 17.6 V EW005E12
J98X02X C2005 11 16.60962 23 26 06.68 -36 45 12.2 18.1 V EW005E12
J98X02X C2005 11 16.61003 23 26 06.64 -36 45 08.8 17.2 V EW005E12
J98X02X C2005 11 16.94025 23 25 11.37 -36 12 00.2 17.3 R EW005I77
J98X02X C2005 11 16.94292 23 25 10.77 -36 11 43.8 17.4 R EW005I77
J98X02X C2005 11 16.94650 23 25 09.99 -36 11 21.9 17.3 R EW005I77
J98X02X 5C2005 11 17.09068 23 24 46.10 -35 57 35.1 17.8 R EW005673
J98X02X 5C2005 11 17.09578 23 24 45.02 -35 57 04.1 EW005673
J98X02X 5C2005 11 17.10156 23 24 43.79 -35 56 29.7 EW005673
J98X02X 5C2005 11 17.10725 23 24 42.58 -35 55 55.7 EW005673
J98X02X 5C2005 11 17.11095 23 24 41.79 -35 55 33.4 EW005673
J98X02X 5C2005 11 17.15399 23 24 32.68 -35 51 13.4 17.5 R EW005673
J98X02X 5C2005 11 17.16163 23 24 31.03 -35 50 27.0 EW005673
J98X02X C2005 11 17.16949 23 24 28.72 -35 49 40.1 18.2 R EW005854
J98X02X C2005 11 17.17044 23 24 28.54 -35 49 32.1 18.1 R EW005854
J98X02X C2005 11 17.17188 23 24 28.14 -35 49 22.9 17.9 R EW005854
J98X02X C2005 11 17.17332 23 24 27.86 -35 49 13.3 18.3 R EW005854
J98X02X 5C2005 11 17.17760 23 24 27.66 -35 48 49.8 17.2 R EW005673
J98X02X C2005 11 17.18338 23 24 25.76 -35 48 11.2 17.9 R EW005854
J98X02X 5C2005 11 17.19821 23 24 23.30 -35 46 43.9 EW005673
J98X02X C2005 11 17.40919 23 23 48.19 -35 24 27.5 17.3 V EW005E12
J98X02X C2005 11 17.40960 23 23 48.04 -35 24 25.1 17.3 V EW005E12
J98X02X C2005 11 17.41001 23 23 47.90 -35 24 22.2 17.4 V EW005E12
J98X02X C2005 11 17.41043 23 23 47.86 -35 24 19.9 17.5 V EW005E12
J98X02X C2005 11 17.41083 23 23 47.76 -35 24 17.6 17.6 V EW005E12
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m f/16
Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + 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.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
Orbital elements:
1998 XX2 PHA 0.031
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5 MPC
M 43.17954 (2000.0) P Q
n 1.54510599 Peri. 152.77825 -0.67279199 +0.73055091
a 0.7410210 Node 74.68678 -0.69891455 -0.57582661
e 0.3676643 Incl. 6.95660 -0.24263015 -0.36704098
P 0.64 H 19.9 G 0.15 U 5
Residuals in seconds of arc
981208 704 1.3- 0.4- 981212 704 (0.2- 2.8+) 051116 I77 0.1+ 0.0
981208 704 (2.8+ 0.9+) 981212 704 0.4+ 0.6- 051116 I77 0.3+ 0.0
981208 704 (1.3+ 2.9+) 981212 704 2.0- 0.4- 051117 673 0.0 0.1+
981208 704 (1.1+ 2.7+) 051116 E12 0.6- 0.9+ 051117 673 0.0 0.6+
981208 704 1.1- 0.3+ 051116 E12 0.0 0.7- 051117 673 0.1- 0.3+
981209 704 1.0+ 0.2+ 051116 E12 0.4- 0.5- 051117 673 0.1- 0.1+
981209 704 0.6- 1.3- 051116 E12 0.1+ 0.1+ 051117 673 0.1- 0.2+
981209 704 1.3+ 1.0+ 051116 E12 0.0 0.1- 051117 673 0.5+ 0.3+
981209 704 0.8+ 0.6+ 051116 E12 0.3- 0.5+ 051117 673 0.2+ 0.3+
981210 046 1.4+ 0.2+ 051116 E12 0.1- 0.1+ 051117 854 (0.7+ 2.7-)
981210 046 0.3+ 1.0+ 051116 E12 0.1+ 0.0 051117 854 1.0+ 0.6-
981210 046 0.1+ 0.7+ 051116 E12 0.3+ 0.6- 051117 854 0.2- 0.2-
981210 046 0.6+ 0.5+ 051116 E12 0.8- 0.6- 051117 854 0.1+ 0.6+
981210 046 0.4- 0.1- 051116 E12 0.2- 0.3- 051117 673 0.3+ 0.2+
981211 557 0.4- 0.5- 051116 E12 0.4+ 0.2+ 051117 854 0.4+ 1.0+
981211 557 0.4- 0.2- 051116 E12 0.2- 0.9+ 051117 673 0.1+ 0.2+
981212 704 1.4+ 0.5- 051116 E12 0.2+ 0.5- 051117 E12 1.0+ 0.3-
981212 704 0.1+ 0.3- 051116 E12 0.0 0.5- 051117 E12 0.2+ 0.3-
981212 704 1.1- 0.5- 051116 E12 0.0 0.4+ 051117 E12 0.5- 0.1+
981212 704 (3.3- 0.2-) 051116 E12 0.7- 0.3- 051117 E12 0.1+ 0.1-
981212 704 0.6+ 0.6- 051116 E12 0.1- 0.4+ 051117 E12 0.1- 0.2-
981212 704 0.7- 1.1+ 051116 I77 0.2+ 0.1-
Ephemeris:
1998 XX2 a,e,i = 0.74, 0.37, 7 q = 0.4686
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 11 16 23 28.19 -37 49.6 0.104 1.013 100.7 73.5 17.6
2005 11 26 23 07.35 -23 40.1 0.134 1.007 94.6 77.8 18.3
2005 12 06 22 58.91 -14 35.0 0.167 0.989 86.5 83.9 18.9
2005 12 16 22 53.92 -08 21.6 0.197 0.961 77.5 90.9 19.5
2005 12 26 22 48.01 -03 56.7 0.223 0.922 67.7 99.4 20.1
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-W05
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