MPEC 2002-X06 : 2002 WC1 = 1998 YD30
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M.P.E.C. 2002-X06 Issued 2002 Dec. 2, 15:34 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 http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 WC1 = 1998 YD30
Revision to MPEC 2002-W35
Additional Observations:
K02W01C C1999 04 15.30920 13 40 32.59 -05 21 47.6 693
K02W01C C1999 04 15.31682 13 40 31.92 -05 21 48.6 693
K02W01C C1999 04 15.32436 13 40 31.34 -05 21 49.6 20.7 R 693
Observer details:
693 Catalina Station, Tucson. Observer C. W. Hergenrother. 1.5-m reflector
+ CCD.
Orbital elements:
2002 WC1 = 1998 YD30
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 340.30050 (2000.0) P Q
n 0.24124240 Peri. 77.60713 -0.54736209 -0.83482983
a 2.5556436 Node 45.74075 +0.73242718 -0.51182803
e 0.5861687 Incl. 4.70693 +0.40490143 -0.20270968
P 4.09 H 19.8 G 0.15 U 3
Residuals in seconds of arc
981221 704 1.0+ 0.5+ 021123 673 1.5- 0.1+ 021124 673 1.4+ 0.1+
981221 704 1.1- 0.5+ 021123 673 0.3- 0.0 021124 673 1.2- 0.2+
981221 704 1.2- 0.4- 021123 673 0.6- 0.5- 021124 926 (1.8- 3.1+)
981221 704 (2.7- 0.0 ) 021123 448 0.4- 0.2+ 021124 926 0.3+ 0.3+
981222 046 0.7- 0.4- 021123 448 0.3- 0.1+ 021124 926 0.3- 0.3+
981222 046 0.8+ 0.4- 021123 448 0.4+ 0.1+ 021124 926 1.1- 0.3+
981222 046 0.1- 0.4- 021123 448 0.1+ 0.3+ 021128 715 0.2- 0.3+
981222 046 0.8+ 0.1- 021123 046 0.7- 0.5- 021128 715 0.2- 0.3+
981222 046 0.4- 0.2+ 021123 046 (0.2- 2.5-) 021128 715 0.2+ 0.0
981222 046 0.4+ 0.1- 021123 046 1.6+ 0.7- 021201 246 0.4- 0.3+
990415 693 0.0 0.3+ 021123 557 0.7+ 1.1- 021201 246 0.0 0.2+
990415 693 0.2- 0.4+ 021123 557 0.7- 1.1- 021201 246 0.2- 0.9+
990415 693 0.8+ 0.4+ 021123 557 0.9+ 1.2- 021201 246 0.3+ 0.5+
021122 644 0.4+ 0.5+ 021123 557 (2.6+ 1.6-) 021201 246 0.7- 0.6+
021122 644 0.1+ 0.0 021124 673 0.8+ 0.0 021201 246 0.4- 0.9+
021122 644 0.4+ 0.0 021124 673 0.6+ 0.1+
Ephemeris:
2002 WC1 a,e,i = 2.56, 0.59, 5 q = 1.0576
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 12 02 01 31.09 +11 57.7 0.483 1.374 135.8 30.0 20.2
2002 12 12 01 22.48 +12 47.7 0.466 1.304 124.0 38.8 20.3
2002 12 22 01 20.29 +14 16.4 0.454 1.239 113.9 46.6 20.3
2003 01 01 01 24.97 +16 25.9 0.441 1.181 105.5 53.4 20.3
2003 01 11 01 36.77 +19 16.9 0.425 1.131 99.1 59.2 20.3
2003 01 21 01 56.07 +22 47.6 0.406 1.093 94.4 63.8 20.3
2003 01 31 02 23.92 +26 52.6 0.383 1.068 91.8 67.2 20.2
2003 02 10 03 02.61 +31 18.3 0.360 1.058 91.3 68.8 20.1
2003 02 20 03 55.14 +35 30.5 0.340 1.063 93.1 68.2 20.0
2003 03 02 05 03.14 +38 20.4 0.330 1.083 97.2 65.2 19.9
2003 03 12 06 21.72 +38 23.7 0.335 1.117 103.0 60.1 19.8
2003 03 22 07 37.90 +35 13.5 0.359 1.163 108.9 54.1 19.9
2003 04 01 08 41.19 +29 58.5 0.405 1.219 113.5 48.7 20.1
2003 04 11 09 30.29 +24 11.4 0.472 1.282 116.2 44.6 20.4
2003 04 21 10 08.42 +18 46.9 0.557 1.350 116.8 41.6 20.8
2003 05 01 10 39.06 +14 02.3 0.658 1.423 115.8 39.6 21.2
2003 05 11 11 04.87 +09 56.2 0.775 1.498 113.5 38.2 21.7
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-X06
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