MPEC 2001-D16: 2001 DU8
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M.P.E.C. 2001-D16 Issued 2001 Feb. 19, 23:10 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 DU8
Observations:
K01D08U* C2001 02 17.36773 11 16 17.40 -03 47 04.3 16.8 704
K01D08U C2001 02 17.38235 11 16 16.31 -03 46 18.5 17.9 704
K01D08U C2001 02 17.41173 11 16 14.48 -03 44 46.0 17.1 704
K01D08U C2001 02 17.42573 11 16 13.57 -03 44 02.4 17.3 704
K01D08U C2001 02 18.19450 11 15 27.71 -03 03 34.6 13.1 R 844
K01D08U C2001 02 18.21091 11 15 26.63 -03 02 44.0 14.3 R 844
K01D08U C2001 02 18.21250 11 15 26.90 -03 02 55.6 15.7 R 850
K01D08U C2001 02 18.21457 11 15 26.35 -03 02 31.5 14.8 R 844
K01D08U C2001 02 18.24167 11 15 24.96 -03 01 23.9 16.0 R 850
K01D08U C2001 02 18.28440 11 15 21.53 -02 58 56.2 18.1 V 859
K01D08U C2001 02 18.28675 11 15 21.43 -02 58 48.8 18.3 V 859
K01D08U C2001 02 18.28910 11 15 21.21 -02 58 40.9 18.0 V 859
K01D08U C2001 02 18.28976 11 15 21.89 -02 58 53.5 18.3 739
K01D08U C2001 02 18.29188 11 15 21.73 -02 58 47.2 18.0 739
K01D08U C2001 02 18.29353 11 15 21.65 -02 58 41.1 18.3 739
K01D08U C2001 02 18.62895 11 15 01.03 -02 40 50.6 17.4 R 428
K01D08U C2001 02 18.86986 11 14 46.73 -02 28 27.2 17.9 V 151
K01D08U C2001 02 18.87117 11 14 46.65 -02 28 22.6 18.1 V 151
K01D08U C2001 02 18.87250 11 14 46.64 -02 28 20.5 18.0 V 151
K01D08U C2001 02 18.87481 11 14 46.41 -02 28 11.6 18.0 V 151
K01D08U C2001 02 18.88083 11 14 46.01 -02 27 52.0 18.2 V 151
K01D08U C2001 02 18.97556 11 14 39.83 -02 22 54.8 595
K01D08U C2001 02 18.98024 11 14 39.44 -02 22 40.4 595
K01D08U C2001 02 18.98912 11 14 38.83 -02 22 12.1 595
K01D08U C2001 02 18.99235 11 14 38.69 -02 22 00.8 595
K01D08U C2001 02 18.99748 11 14 38.35 -02 21 45.9 17.4 V 595
K01D08U C2001 02 19.03760 11 14 35.65 -02 19 38.9 557
K01D08U C2001 02 19.03884 11 14 35.59 -02 19 35.0 557
K01D08U C2001 02 19.04008 11 14 35.51 -02 19 31.0 557
K01D08U C2001 02 19.04132 11 14 35.42 -02 19 27.0 557
K01D08U C2001 02 19.04256 11 14 35.35 -02 19 23.1 557
K01D08U C2001 02 19.34407 11 14 16.85 -02 03 25.9 17.6 V 926
K01D08U C2001 02 19.34481 11 14 16.80 -02 03 23.5 17.7 V 926
K01D08U C2001 02 19.34554 11 14 16.76 -02 03 21.2 17.6 V 926
K01D08U C2001 02 19.36297 11 14 15.60 -02 02 27.8 17.5 854
K01D08U C2001 02 19.36536 11 14 15.37 -02 02 20.5 17.5 854
K01D08U C2001 02 19.38990 11 14 13.74 -02 01 02.5 17.5 854
K01D08U C2001 02 19.90441 11 13 41.90 -01 33 57.9 17.2 V 596
K01D08U C2001 02 19.90928 11 13 41.62 -01 33 41.0 596
K01D08U C2001 02 19.91275 11 13 41.29 -01 33 28.7 596
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
595 Farra d'Isonzo. Observers G. Lombardi, E. Pettarin. 0.40-m f/4.5
reflector + CCD.
596 Colleverde di Guidonia. Observer V. S. Casulli. 0.40-m f/2.95 reflector
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
739 Sunflower Observatory, Olathe. Observer L. Robinson. 0.25-m
Schmidt-Cassegrain + CCD.
844 Los Molinos. Observer R. Salvo. 0.35-m f/6.4 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/5.75
Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/6.1
Schmidt-Cassegrain + CCD.
859 Wykrota Observatory-CEAMIG. Observers C. Jacques, C. Magno, L. Duczmal,
N. Cunha. 0.3-m f/3.3 Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, C. W. Juels,
M. Schwartz. Measurer P. R. Holvorcem. 0.5-m f/10 Ritchey-Chretien + CCD.
Orbital elements:
2001 DU8
Epoch 2001 Jan. 31.0 TT = JDT 2451940.5 Spahr
M 44.66708 (2000.0) P Q
n 0.43062452 Peri. 264.69583 +0.35133886 -0.92153120
a 1.7367483 Node 161.81688 +0.91947588 +0.37290085
e 0.3347701 Incl. 31.99738 -0.17642312 +0.10828297
P 2.29 H 16.6 G 0.15
From 40 observations 2001 Feb. 17-19.
Ephemeris:
2001 DU8 a,e,i = 1.74, 0.33, 32 q = 1.1553
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 02 10 11 22.78 -09 55.8 0.592 1.506 143.8 22.8 17.4
2001 02 20 11 13.59 -01 28.8 0.584 1.552 160.6 12.2 17.1
2001 03 02 11 02.52 +07 13.0 0.608 1.598 177.3 1.7 16.7
2001 03 12 10 52.09 +14 51.2 0.663 1.644 165.4 8.8 17.4
2001 03 22 10 44.30 +20 41.1 0.747 1.689 151.0 16.6 18.0
2001 04 01 10 40.26 +24 39.6 0.853 1.734 138.5 22.4 18.5
2001 04 11 10 40.21 +27 05.9 0.975 1.777 127.9 26.4 19.0
2001 04 21 10 43.71 +28 22.9 1.108 1.819 118.7 29.0 19.4
2001 05 01 10 50.20 +28 49.3 1.248 1.859 110.6 30.5 19.7
2001 05 11 10 59.05 +28 39.3 1.392 1.898 103.3 31.2 20.0
2001 05 21 11 09.70 +28 02.7 1.537 1.936 96.7 31.3 20.3
2001 05 31 11 21.73 +27 06.3 1.683 1.972 90.5 30.9 20.5
2001 06 10 11 34.81 +25 55.2 1.826 2.006 84.7 30.3 20.7
2001 06 20 11 48.68 +24 33.0 1.967 2.039 79.3 29.3 20.9
2001 06 30 12 03.18 +23 02.5 2.104 2.070 74.0 28.2 21.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-D16
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