MPEC 2001-A26: 1950 DA = 2000 YK66
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M.P.E.C. 2001-A26 Issued 2001 Jan. 4, 19:14 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
1950 DA = 2000 YK66
Revision to MPEC 2001-A22
Additional observations:
K00Y66K C2001 01 04.49575 10 45 02.23 +36 39 59.9 670
K00Y66K C2001 01 04.54806 10 45 07.45 +36 40 23.6 670
K00Y66K C2001 01 04.57615 10 45 10.19 +36 40 37.8 670
Observer details:
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
Orbital elements:
1950 DA = 2000 YK66
Id. C. M. Bardwell
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Williams
M 354.69194 (2000.0) P Q
n 0.44498841 Peri. 224.50624 -0.75004827 +0.66127969
a 1.6991703 Node 356.82334 -0.53258382 -0.61437229
e 0.5076666 Incl. 12.18374 -0.39215058 -0.43041360
P 2.21 H 17.5 G 0.15 U 3
Residuals in seconds of arc
500223 662 1.5+ 0.0 001231 699 0.6+ 0.6- 010101 557 1.6- 1.4-
500223 662 3.5+ 0.4- 001231 699 0.4+ 0.5- 010102 912 0.5- 0.1-
500224 662 2.0+ 0.4+ 001231 699 0.3+ 0.1- 010102 912 0.1+ 0.3+
500225 662 0.2+ 1.6+ 001231 699 0.2- 0.8- 010102 912 1.1- 0.3+
500226 662 0.4+ 2.0+ 010101 118 0.2- 0.2+ 010102 912 0.7+ 1.2-
500226 662 1.3+ 1.7+ 010101 118 0.1- 0.0 010102 670 0.2+ 0.4-
500301 662 0.8- 0.1- 010101 118 0.7- 0.0 010102 670 1.8+ 0.7-
500302 662 1.4- 0.3+ 010101 046 0.2+ 0.0 010102 670 (2.9+ 2.1+)
500303 662 1.7- 0.4+ 010101 046 0.1+ 0.2- 010103 912 (2.6- 2.0+)
500305 662 2.5- 1.6- 010101 046 0.3+ 0.2+ 010103 912 0.5- 0.0
500307 662 0.8+ 0.1- 010101 046 0.0 0.2+ 010103 912 (1.3+ 3.5+)
500309 662 3.3+ 0.8- 010101 046 0.2- 0.4+ 010104 670 1.0- 0.2-
500312 662 (8.5+ 10.1+) 010101 557 0.2- 0.4- 010104 670 0.9- 1.2-
500312 662 (9.1+ 10.4+) 010101 557 0.3+ 0.0 010104 670 1.8- 0.1+
Ephemeris:
1950 DA a,e,i = 1.70, 0.51, 12 q = 0.8366
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 01 01 10 38.86 +36 13.4 0.617 1.450 128.5 32.0 18.6
2001 01 06 10 47.70 +36 52.3 0.557 1.412 130.9 31.7 18.3
2001 01 11 10 56.62 +37 37.0 0.500 1.374 133.1 31.5 18.0
2001 01 16 11 05.73 +38 28.1 0.445 1.336 135.0 31.4 17.7
2001 01 21 11 15.19 +39 26.1 0.392 1.297 136.5 31.5 17.4
2001 01 26 11 25.29 +40 31.4 0.342 1.258 137.4 32.0 17.0
2001 01 31 11 36.55 +41 44.6 0.294 1.219 137.8 32.9 16.7
2001 02 05 11 49.91 +43 06.7 0.248 1.180 137.3 34.5 16.3
2001 02 10 12 07.13 +44 39.1 0.204 1.142 135.8 37.0 15.8
2001 02 15 12 31.78 +46 23.5 0.162 1.104 132.8 41.0 15.4
2001 02 20 13 12.05 +48 12.4 0.122 1.067 127.4 47.4 14.9
2001 02 25 14 28.36 +48 50.2 0.086 1.032 117.1 58.7 14.3
2001 03 02 16 51.09 +40 23.8 0.058 0.998 94.8 81.9 14.2
2001 03 07 19 21.67 +11 10.8 0.055 0.966 59.2 118.0 15.8
2001 03 12 20 45.50 -12 10.3 0.079 0.936 41.3 135.5 18.1
2001 05 11 23 49.64 -22 21.7 0.580 0.915 63.7 81.7 19.0
2001 05 21 00 06.32 -19 34.5 0.639 0.973 67.9 74.6 19.1
2001 05 31 00 20.99 -16 58.5 0.683 1.040 72.6 68.6 19.2
2001 06 10 00 33.24 -14 39.8 0.712 1.113 78.1 63.2 19.2
2001 06 20 00 42.64 -12 42.1 0.726 1.189 84.3 58.3 19.3
2001 06 30 00 48.60 -11 08.1 0.729 1.267 91.5 53.4 19.3
2001 07 10 00 50.48 -09 58.8 0.722 1.344 99.9 48.2 19.2
2001 07 20 00 47.56 -09 15.2 0.709 1.421 109.6 42.4 19.2
2001 07 30 00 39.14 -08 56.7 0.696 1.496 120.7 35.7 19.0
2001 08 09 00 25.02 -08 59.7 0.688 1.568 133.4 28.0 18.9
2001 08 19 00 05.86 -09 17.3 0.693 1.639 147.3 19.5 18.8
2001 08 29 23 43.62 -09 39.1 0.718 1.707 161.9 10.6 18.6
2001 09 08 23 21.35 -09 53.9 0.767 1.772 174.4 3.2 18.5
2001 09 18 23 01.89 -09 55.3 0.841 1.835 167.2 7.0 19.0
2001 09 28 22 47.10 -09 41.2 0.940 1.895 154.5 13.1 19.5
2001 10 08 22 37.52 -09 13.2 1.061 1.952 142.7 18.1 20.0
2001 10 18 22 32.78 -08 33.8 1.198 2.006 132.0 21.7 20.5
2001 10 28 22 32.19 -07 44.8 1.349 2.058 122.2 24.1 20.8
2001 11 07 22 34.92 -06 47.7 1.510 2.107 113.2 25.6 21.2
2001 11 17 22 40.28 -05 43.7 1.677 2.153 104.7 26.4 21.5
2001 11 27 22 47.70 -04 33.2 1.849 2.197 96.8 26.5 21.7
2001 12 07 22 56.71 -03 17.1 2.022 2.238 89.2 26.1 22.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-A26
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