MPEC 2002-A82 : 2001 YX11
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M.P.E.C. 2002-A82 Issued 2002 Jan. 14, 00:40 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
2001 YX11
Observations:
K01Y11X* C2001 12 23.37240 08 41 50.46 -01 59 21.9 19.2 R 699
K01Y11X C2001 12 23.39664 08 41 53.46 -02 00 16.2 699
K01Y11X C2001 12 23.42087 08 41 56.49 -02 01 09.0 699
K01Y11X C2001 12 23.44517 08 41 59.48 -02 02 01.8 699
K01Y11X C2001 12 24.04463 08 43 20.24 -02 24 22.6 557
K01Y11X C2001 12 24.04685 08 43 20.43 -02 24 25.6 557
K01Y11X IC2001 12 24.04906 08 43 20.65 -02 24 31.9 557
K01Y11X C2002 01 12.40009 09 33 42.81 -16 30 20.3 18.7 644
K01Y11X C2002 01 12.41083 09 33 44.68 -16 30 52.1 18.7 644
K01Y11X C2002 01 12.42462 09 33 47.04 -16 31 32.7 19.1 644
K01Y11X C2002 01 13.33985 09 36 40.80 -17 16 45.0 19.3 644
K01Y11X C2002 01 13.35053 09 36 42.68 -17 17 17.0 19.3 644
K01Y11X C2002 01 13.36102 09 36 44.53 -17 17 48.5 18.9 644
K01Y11X C2002 01 13.37077 09 36 47.79 -17 18 08.1 20.4 608
K01Y11X C2002 01 13.37322 09 36 45.74 -17 18 27.3 18.0 R 649
K01Y11X C2002 01 13.37505 09 36 46.06 -17 18 32.3 18.9 R 649
K01Y11X C2002 01 13.37779 09 36 46.31 -17 18 37.2 18.6 R 649
K01Y11X C2002 01 13.38176 09 36 49.79 -17 18 41.9 20.2 608
K01Y11X C2002 01 13.38924 09 36 49.06 -17 19 14.0 18.6 R 711
K01Y11X C2002 01 13.39258 09 36 51.77 -17 19 14.7 20.1 608
K01Y11X C2002 01 13.39347 09 36 49.75 -17 19 26.2 18.7 R 711
K01Y11X C2002 01 13.39770 09 36 50.53 -17 19 39.0 18.6 R 711
K01Y11X C2002 01 13.40829 09 36 52.84 -17 20 09.6 18.7 644
K01Y11X C2002 01 13.41896 09 36 54.71 -17 20 41.1 18.8 644
K01Y11X C2002 01 13.42953 09 36 56.55 -17 21 12.8 18.7 644
K01Y11X C2002 01 13.48609 09 37 08.26 -17 23 56.3 19.1 608
K01Y11X C2002 01 13.49723 09 37 10.24 -17 24 28.7 19.5 608
K01Y11X C2002 01 13.50787 09 37 12.08 -17 25 01.2 19.3 608
K01Y11X C2002 01 13.57045 09 37 25.20 -17 27 29.4 413
K01Y11X C2002 01 13.57207 09 37 25.49 -17 27 34.2 413
K01Y11X C2002 01 13.57368 09 37 25.78 -17 27 39.2 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
649 Powell Observatory, Louisburg. Observers R. Fredrick, R. Trentman.
0.75-m Newtonian + CCD.
699 Lowell Observatory-LONEOS. Observer N. E. Van Ness. 0.59-m
LONEOS Schmidt + CCD.
711 McDonald Observatory. Observers P. J. Shelus, J. G. Ries. 0.76-m
reflector + CCD.
Orbital elements:
2001 YX11
Epoch 2001 Dec. 17.0 TT = JDT 2452260.5 MPC
M 331.65688 (2000.0) P Q
n 0.42941901 Peri. 301.70769 -0.92485745 -0.37617622
a 1.7399972 Node 216.28141 +0.37303300 -0.86863420
e 0.3860113 Incl. 5.42519 +0.07406129 -0.32243771
P 2.30 H 20.0 G 0.15
From 30 observations 2001 Dec. 23-2002 Jan. 13.
Ephemeris:
2001 YX11 a,e,i = 1.74, 0.39, 5 q = 1.0683
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 01 06 09 15.11 -11 24.4 0.244 1.166 133.8 37.5 18.8
2002 01 11 09 29.42 -15 21.3 0.224 1.147 132.5 39.2 18.6
2002 01 16 09 45.38 -19 29.2 0.207 1.130 130.7 41.3 18.5
2002 01 21 10 03.39 -23 42.2 0.193 1.115 128.5 43.7 18.3
2002 01 26 10 23.88 -27 52.6 0.181 1.101 126.1 46.2 18.3
2002 01 31 10 47.18 -31 50.4 0.172 1.090 123.6 48.8 18.2
2002 02 05 11 13.35 -35 24.0 0.165 1.081 121.3 51.2 18.2
2002 02 10 11 42.08 -38 21.1 0.161 1.074 119.2 53.3 18.1
2002 02 15 12 12.65 -40 31.2 0.158 1.070 117.7 54.8 18.1
2002 02 20 12 43.86 -41 48.2 0.157 1.068 116.8 55.7 18.1
2002 02 25 13 14.26 -42 11.7 0.157 1.069 116.6 55.9 18.1
2002 03 02 13 42.44 -41 46.2 0.158 1.072 117.1 55.3 18.2
2002 03 07 14 07.29 -40 39.4 0.160 1.078 118.5 54.0 18.2
2002 03 12 14 28.19 -38 59.7 0.164 1.086 120.6 51.9 18.2
2002 03 17 14 44.98 -36 55.0 0.168 1.096 123.5 49.2 18.2
2002 03 27 15 07.17 -31 59.2 0.178 1.123 131.3 41.8 18.1
2002 04 06 15 16.78 -26 38.5 0.193 1.158 141.4 32.6 18.1
2002 04 16 15 17.25 -21 25.1 0.214 1.198 153.1 22.3 18.1
2002 04 26 15 12.65 -16 49.4 0.244 1.244 165.2 11.9 18.1
2002 05 06 15 06.60 -13 13.7 0.285 1.293 175.1 3.8 18.2
2002 05 16 15 01.62 -10 45.9 0.338 1.345 169.2 8.1 18.9
2002 05 26 14 59.34 -09 22.3 0.404 1.398 159.3 14.8 19.6
2002 06 05 15 00.20 -08 50.1 0.482 1.452 150.1 20.4 20.2
2002 06 15 15 04.08 -08 55.9 0.572 1.507 141.7 24.7 20.8
2002 06 25 15 10.71 -09 28.1 0.673 1.561 134.1 27.9 21.3
2002 07 05 15 19.59 -10 16.8 0.784 1.615 127.0 30.2 21.8
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-A82
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