MPEC 2000-U21 : 2000 SQ43
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M.P.E.C. 2000-U21 Issued 2000 Oct. 24, 20:17 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 2000 SQ43 Revision to MPEC 2000-S63 Observations: K00S43Q 1 1979 06 16.41972 14 30 34.59 -00 46 19.9 260 K00S43Q 1 1979 06 16.46486 14 30 33.09 -00 46 13.9 260 K00S43Q 1 1993 06 28.40347 21 09 58.91 +07 38 51.4 261 K00S43Q 1 1993 06 28.44514 21 10 09.23 +07 40 01.0 261 K00S43Q C2000 10 24.39988 02 43 48.51 +05 47 35.0 18.7 704 K00S43Q C2000 10 24.41819 02 43 47.00 +05 47 24.7 19.1 704 K00S43Q C2000 10 24.43308 02 43 45.76 +05 47 18.0 19.6 704 Observer details: 260 Siding Spring-DSS. Trail located and measured by DANEOPS (R. Stoss, A. Gnadig). 1.2-m Schmidt. 261 Palomar-DSS. Trail located and measured by DANEOPS (R. Stoss, A. Gnadig). 1.2-m Schmidt. 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. Orbital elements: 2000 SQ43 Id. DANEOPS (1979, 1993 observations) Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams M 16.65018 (2000.0) P Q n 0.28316599 Peri. 144.33715 +0.71539201 +0.69859127 a 2.2967232 Node 171.30895 -0.66010716 +0.68210017 e 0.5038553 Incl. 5.15740 -0.22906944 +0.21612404 P 3.48 H 18.4 G 0.15 U 3 Residuals in seconds of arc 790616 260 0.4- 0.6+ 000927 046 0.2- 0.1+ 001002 704 0.0 0.1+ 790616 260 0.4+ 0.3- 000927 046 0.7- 0.5+ 001002 704 0.9- 0.8- 930628 261 0.1- 0.8- 000927 046 0.0 0.9- 001002 704 0.3+ 0.1+ 930628 261 0.1+ 0.7+ 000927 046 0.5- 1.0+ 001005 608 0.6- 1.5- 000924 704 0.0 0.2+ 000927 557 0.2+ 0.4- 001005 608 0.5- 1.2- 000924 704 0.1+ 0.9- 000927 557 0.4+ 0.1- 001005 608 0.8- 1.2- 000924 704 0.2- 0.4+ 000927 557 1.2+ 0.0 001023 046 0.6- 0.1+ 000924 704 0.2+ 0.1- 000927 557 0.6- 0.4- 001023 046 0.1- 0.5- 000924 704 (2.4+ 0.4+) 000928 118 0.7- 0.1+ 001023 046 0.4+ 0.3+ 000925 608 0.6+ 1.3+ 000928 118 0.1+ 0.3- 001024 704 1.1+ 0.6+ 000925 608 1.2+ 1.5+ 000928 118 0.5- 1.0- 001024 704 0.6+ 0.0 000925 608 1.0+ 1.2+ 001002 704 0.2- 0.9+ 001024 704 0.1- 1.1+ Ephemeris: 2000 SQ43 a,e,i = 2.30, 0.50, 5 q = 1.1395 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2000 10 23 02 45.59 +06 00.2 0.572 1.555 165.5 9.2 18.8 2000 11 02 02 33.42 +04 44.7 0.634 1.620 169.9 6.1 18.9 2000 11 12 02 23.67 +04 03.4 0.716 1.686 162.3 10.3 19.5 2000 11 22 02 17.40 +03 55.1 0.818 1.753 152.0 15.4 20.0 2000 12 02 02 14.87 +04 14.5 0.938 1.819 142.0 19.5 20.5 2000 12 12 02 15.86 +04 55.3 1.073 1.884 132.6 22.6 21.0 2000 12 22 02 19.83 +05 51.1 1.221 1.949 123.9 24.8 21.4 2001 01 01 02 26.30 +06 57.1 1.381 2.013 115.7 26.1 21.8 2001 01 11 02 34.79 +08 09.1 1.549 2.075 108.0 26.8 22.1 Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-U21


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