MPEC 2000-O31: 2000 ON
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M.P.E.C. 2000-O31 Issued 2000 July 27, 20:00 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 ON
Observations:
K00O00N* C2000 07 23.42807 23 27 53.80 -03 20 50.3 16.5 704
K00O00N C2000 07 23.44133 23 27 53.82 -03 21 08.4 16.5 704
K00O00N C2000 07 23.45479 23 27 53.89 -03 21 25.4 16.7 704
K00O00N C2000 07 24.40414 23 27 57.60 -03 42 45.1 17.5 704
K00O00N C2000 07 24.41742 23 27 57.67 -03 43 02.5 18.2 704
K00O00N C2000 07 24.42990 23 27 57.80 -03 43 19.4 15.4 R 854
K00O00N C2000 07 24.43059 23 27 57.67 -03 43 21.0 17.2 704
K00O00N C2000 07 24.43297 23 27 57.69 -03 43 24.4 15.5 R 854
K00O00N C2000 07 24.43571 23 27 57.70 -03 43 28.5 15.4 R 854
K00O00N C2000 07 24.44382 23 27 57.64 -03 43 39.1 17.4 704
K00O00N 1C2000 07 24.45220 23 27 57.78 -03 43 51.9 658
K00O00N 1C2000 07 24.45542 23 27 57.79 -03 43 56.0 658
K00O00N 1C2000 07 24.45822 23 27 57.79 -03 43 59.8 658
K00O00N 1C2000 07 24.63703 23 27 58.45 -03 47 56.7 18.2 413
K00O00N 1C2000 07 24.63820 23 27 58.47 -03 47 58.6 18.1 413
K00O00N C2000 07 24.79482 23 27 58.54 -03 51 33.4 18.4 R 428
K00O00N C2000 07 24.79854 23 27 58.50 -03 51 38.2 18.2 R 428
K00O00N 1C2000 07 24.82539 23 27 58.57 -03 52 15.1 18.5 413
K00O00N 1C2000 07 24.82693 23 27 58.57 -03 52 17.3 18.2 413
K00O00N C2000 07 25.03190 23 27 59.28 -03 57 04.9 16.0 V 151
K00O00N C2000 07 25.03707 23 27 59.28 -03 57 14.4 16.9 V 151
K00O00N C2000 07 25.04463 23 27 59.30 -03 57 26.1 16.1 V 151
K00O00N C2000 07 25.04564 23 27 59.29 -03 57 24.7 16.1 V 151
K00O00N C2000 07 25.62059 23 28 00.33 -04 10 37.2 18.6 R 428
K00O00N C2000 07 25.62568 23 28 00.31 -04 10 44.5 18.4 R 428
K00O00N C2000 07 25.96137 23 28 00.60 -04 18 41.6 557
K00O00N C2000 07 25.96369 23 28 00.61 -04 18 45.1 557
K00O00N C2000 07 26.95422 23 28 00.37 -04 42 09.0 16.7 V 151
K00O00N C2000 07 26.95743 23 28 00.19 -04 42 16.5 16.6 V 151
K00O00N C2000 07 26.95944 23 28 00.31 -04 42 19.1 16.9 V 151
K00O00N C2000 07 26.96145 23 28 00.27 -04 42 21.3 17.0 V 151
K00O00N C2000 07 26.96342 23 28 00.31 -04 42 24.5 16.9 V 151
K00O00N C2000 07 26.96545 23 28 00.27 -04 42 29.0 17.3 V 151
K00O00N C2000 07 26.96735 23 28 00.38 -04 42 31.5 17.1 V 151
K00O00N C2000 07 27.20454 23 27 59.89 -04 48 06.8 18.1 V 859
K00O00N C2000 07 27.20780 23 27 59.89 -04 48 11.5 17.9 V 859
K00O00N C2000 07 27.21295 23 27 59.85 -04 48 18.7 17.9 V 859
K00O00N C2000 07 27.21542 23 27 59.85 -04 48 22.5 17.9 V 859
K00O00N C2000 07 27.55712 23 27 59.29 -04 56 33.6 17.1 R 474
K00O00N C2000 07 27.56230 23 27 59.27 -04 56 41.2 17.2 R 474
K00O00N C2000 07 27.56847 23 27 59.24 -04 56 50.4 17.2 R 474
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.25-m f/8.0
reflector + CCD.
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observers I. P. Griffin, N. Brady,
R. Greatrex. 1.0-m f/7.7 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber, L. Manguso. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + 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, L. Duczmal, D. Weaver.
0.3-m f/3.3 Schmidt-Cassegrain + CCD.
Orbital elements:
2000 ON
Epoch 2000 July 15.0 TT = JDT 2451740.5 Williams
M 356.53166 (2000.0) P Q
n 0.21698262 Peri. 182.19242 +0.89032829 +0.27450799
a 2.7427491 Node 151.54301 -0.40528831 +0.84138067
e 0.1580922 Incl. 49.67280 -0.20750163 -0.46553618
P 4.54 H 13.6 G 0.15
From 41 observations 2000 July 23-27.
Ephemeris:
2000 ON a,e,i = 2.74, 0.16, 50 q = 2.3091
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 07 25 23 27.99 -03 56.3 1.510 2.309 131.3 19.3 17.3
2000 07 30 23 27.82 -05 57.1 1.462 2.309 136.8 17.5 17.2
2000 08 04 23 26.94 -08 09.5 1.420 2.309 142.5 15.5 17.0
2000 08 09 23 25.37 -10 32.3 1.385 2.309 148.3 13.3 16.9
2000 08 14 23 23.12 -13 03.5 1.357 2.310 153.9 11.1 16.8
2000 08 19 23 20.23 -15 40.8 1.337 2.311 159.0 9.0 16.7
2000 08 24 23 16.76 -18 21.1 1.326 2.312 162.9 7.4 16.6
2000 08 29 23 12.81 -21 00.8 1.324 2.313 164.6 6.7 16.5
2000 09 03 23 08.50 -23 36.2 1.330 2.314 163.3 7.2 16.6
2000 09 08 23 03.99 -26 04.1 1.345 2.316 159.6 8.7 16.7
2000 09 13 22 59.45 -28 21.4 1.368 2.318 154.7 10.7 16.8
2000 09 18 22 55.04 -30 26.1 1.399 2.320 149.2 12.8 16.9
2000 09 23 22 50.93 -32 16.9 1.436 2.322 143.6 14.8 17.0
2000 09 28 22 47.26 -33 53.1 1.480 2.324 138.1 16.7 17.2
2000 10 03 22 44.19 -35 14.8 1.529 2.327 132.7 18.4 17.3
2000 10 08 22 41.81 -36 22.6 1.583 2.330 127.4 19.9 17.4
2000 10 13 22 40.19 -37 17.5 1.641 2.333 122.4 21.2 17.6
2000 10 18 22 39.37 -38 00.5 1.702 2.336 117.6 22.2 17.7
2000 10 23 22 39.36 -38 32.9 1.765 2.339 112.9 23.1 17.8
2000 10 28 22 40.15 -38 55.6 1.830 2.343 108.5 23.7 17.9
2000 11 02 22 41.73 -39 09.8 1.896 2.347 104.3 24.2 18.0
2000 11 07 22 44.07 -39 16.4 1.963 2.351 100.3 24.5 18.1
2000 11 12 22 47.12 -39 16.4 2.030 2.355 96.4 24.7 18.1
2000 11 17 22 50.81 -39 10.6 2.097 2.360 92.7 24.7 18.2
2000 11 22 22 55.11 -38 59.5 2.164 2.364 89.1 24.7 18.3
2000 12 02 23 05.32 -38 23.7 2.294 2.374 82.4 24.3 18.4
2000 12 12 23 17.38 -37 33.1 2.420 2.384 76.1 23.6 18.5
2000 12 22 23 30.92 -36 30.5 2.539 2.395 70.4 22.8 18.6
2001 01 01 23 45.67 -35 18.2 2.650 2.406 65.0 21.7 18.7
2001 01 11 00 01.40 -33 58.2 2.753 2.418 60.1 20.6 18.7
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-O31
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