MPEC 1998-U18: 1998 UQ1
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M.P.E.C. 1998-U18 Issued 1998 Oct. 21, 22:39 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
1998 UQ1
Observations:
J98U01Q* C1998 10 19.19747 02 51 30.43 +48 16 28.3 17.9 704
J98U01Q C1998 10 19.21788 02 51 27.56 +48 15 08.4 18.9 704
J98U01Q C1998 10 19.23818 02 51 24.71 +48 13 46.0 18.3 704
J98U01Q C1998 10 19.25851 02 51 21.41 +48 12 24.1 17.9 704
J98U01Q C1998 10 20.04741 02 49 31.70 +47 17 45.9 557
J98U01Q C1998 10 20.04903 02 49 31.48 +47 17 39.4 557
J98U01Q C1998 10 20.05066 02 49 31.24 +47 17 32.6 557
J98U01Q C1998 10 20.09809 02 49 24.44 +47 14 11.5 17.1 V 046
J98U01Q C1998 10 20.09926 02 49 24.28 +47 14 06.5 046
J98U01Q C1998 10 20.10036 02 49 24.11 +47 14 01.4 046
J98U01Q C1998 10 20.10188 02 49 23.87 +47 13 55.0 046
J98U01Q C1998 10 20.26228 02 49 02.87 +47 02 35.3 17.8 V 673
J98U01Q C1998 10 20.27050 02 49 01.71 +47 01 59.9 673
J98U01Q C1998 10 20.43866 02 48 37.40 +46 49 58.1 658
J98U01Q C1998 10 20.44109 02 48 37.05 +46 49 47.8 658
J98U01Q C1998 10 20.44443 02 48 36.58 +46 49 33.4 658
J98U01Q C1998 10 20.58674 02 48 17.34 +46 39 33.0 17.1 R 422
J98U01Q C1998 10 20.58831 02 48 16.99 +46 39 26.0 17.0 R 422
J98U01Q C1998 10 20.78079 02 47 51.08 +46 25 12.2 17.7 V 104
J98U01Q C1998 10 20.78299 02 47 50.80 +46 25 02.5 104
J98U01Q C1998 10 20.78513 02 47 50.51 +46 24 53.1 104
J98U01Q C1998 10 20.79380 02 47 49.47 +46 24 13.4 104
J98U01Q C1998 10 20.81218 02 47 46.63 +46 22 54.3 106
J98U01Q C1998 10 20.82554 02 47 44.80 +46 21 56.7 106
J98U01Q C1998 10 20.82973 02 47 44.21 +46 21 37.8 106
J98U01Q C1998 10 20.94123 02 47 28.23 +46 13 32.0 557
J98U01Q C1998 10 20.94285 02 47 27.99 +46 13 24.5 557
J98U01Q C1998 10 20.94448 02 47 27.75 +46 13 17.4 17.5 V 557
J98U01Q C1998 10 20.97714 02 47 23.01 +46 10 54.8 118
J98U01Q C1998 10 20.98435 02 47 21.98 +46 10 22.9 16.8 R 118
J98U01Q C1998 10 20.98756 02 47 21.51 +46 10 08.5 118
J98U01Q C1998 10 21.10885 02 47 04.14 +46 01 11.2 17.0 V 046
J98U01Q C1998 10 21.10965 02 47 03.95 +46 01 07.6 046
J98U01Q C1998 10 21.11056 02 47 03.81 +46 01 03.6 046
J98U01Q C1998 10 21.11152 02 47 03.66 +46 00 59.0 046
J98U01Q C1998 10 21.30782 02 46 37.16 +45 46 25.6 673
J98U01Q C1998 10 21.31743 02 46 35.81 +45 45 42.5 17.4 V 673
J98U01Q C1998 10 21.80469 02 45 28.57 +45 08 55.6 557
J98U01Q C1998 10 21.80854 02 45 28.01 +45 08 38.2 557
J98U01Q C1998 10 21.80983 02 45 27.81 +45 08 32.8 557
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
104 San Marcello Pistoiese. Observer L. Tesi. Measurers G. Forti, L. Tesi.
0.40-m f/5 reflector + CCD.
106 Crni Vrh. Observers H. Mikuz, S. Maticic. 0.36-m f/6.7 Schmidt-Cassegrain
+ CCD.
118 Modra. Observers L. Kornos, D. Kalmancok. 0.6-m f/5.5 reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. L. Rabinowitz. 0.6-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
Orbital elements:
1998 UQ1
Epoch 1998 Oct. 14.0 TT = JDT 2451100.5 Williams
M 354.89386 (2000.0) P Q
n 0.16136674 Peri. 182.90852 +0.72162098 -0.32292941
a 3.3413864 Node 222.51696 +0.65204851 +0.61422107
e 0.5390803 Incl. 64.97302 +0.23258524 -0.72003407
P 6.11 H 16.0 G 0.15
From 38 observations 1998 Oct. 19-21.
Ephemeris:
1998 UQ1 a,e,i = 3.34, 0.54, 65 q = 1.5401
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 10 14 03 03.12 +53 27.6 0.737 1.573 129.6 29.2 17.6
1998 10 19 02 51.95 +48 29.8 0.674 1.564 138.0 25.2 17.3
1998 10 24 02 40.38 +42 14.0 0.621 1.556 147.7 20.0 16.9
1998 10 29 02 29.08 +34 37.5 0.582 1.549 158.4 13.7 16.6
1998 11 03 02 18.58 +25 54.3 0.560 1.545 168.6 7.3 16.2
1998 11 08 02 09.29 +16 37.7 0.556 1.542 169.8 6.5 16.2
1998 11 13 02 01.44 +07 32.4 0.573 1.540 160.0 12.7 16.5
1998 11 18 01 55.12 -00 41.9 0.607 1.540 149.0 19.3 16.8
1998 11 23 01 50.38 -07 43.3 0.655 1.542 138.8 24.9 17.2
1998 11 28 01 47.13 -13 27.9 0.716 1.546 129.9 29.3 17.5
1998 12 03 01 45.27 -18 03.0 0.784 1.551 122.1 32.6 17.8
1998 12 08 01 44.67 -21 39.6 0.857 1.558 115.4 34.8 18.1
1998 12 13 01 45.19 -24 29.1 0.934 1.567 109.5 36.3 18.3
1998 12 18 01 46.72 -26 41.0 1.013 1.577 104.3 37.2 18.5
1998 12 23 01 49.16 -28 23.3 1.093 1.588 99.7 37.6 18.7
1998 12 28 01 52.42 -29 42.2 1.172 1.601 95.5 37.7 18.9
1999 01 02 01 56.40 -30 42.6 1.251 1.616 91.8 37.5 19.0
1999 01 07 02 01.02 -31 28.1 1.328 1.631 88.5 37.1 19.2
1999 01 12 02 06.24 -32 01.7 1.404 1.648 85.4 36.5 19.3
1999 01 17 02 11.99 -32 25.7 1.477 1.666 82.6 35.8 19.4
1999 01 22 02 18.25 -32 41.7 1.548 1.686 80.1 35.1 19.5
1999 01 27 02 24.96 -32 51.4 1.617 1.706 77.8 34.3 19.6
1999 02 01 02 32.11 -32 55.9 1.683 1.727 75.7 33.6 19.7
1999 02 06 02 39.64 -32 56.2 1.746 1.750 73.8 32.8 19.8
1999 02 11 02 47.55 -32 52.9 1.806 1.773 72.1 32.0 19.9
1999 02 16 02 55.82 -32 46.9 1.864 1.797 70.6 31.2 20.0
1999 02 21 03 04.43 -32 38.6 1.919 1.821 69.3 30.5 20.0
1999 02 26 03 13.37 -32 28.7 1.971 1.846 68.1 29.8 20.1
1999 03 03 03 22.61 -32 17.5 2.021 1.872 67.1 29.2 20.2
1999 03 13 03 41.95 -31 52.4 2.114 1.926 65.4 28.0 20.3
1999 03 23 04 02.38 -31 26.0 2.199 1.981 64.2 26.9 20.4
1999 04 02 04 23.77 -31 00.3 2.278 2.038 63.4 26.0 20.5
1999 04 12 04 46.00 -30 36.7 2.353 2.096 62.9 25.2 20.6
1999 04 22 05 08.96 -30 16.7 2.425 2.155 62.5 24.4 20.7
1999 05 02 05 32.49 -30 01.4 2.496 2.214 62.2 23.7 20.8
1999 05 12 05 56.44 -29 51.5 2.569 2.274 61.8 23.1 20.9
1999 05 22 06 20.65 -29 47.7 2.644 2.334 61.3 22.4 21.0
1999 06 01 06 44.94 -29 50.6 2.722 2.394 60.6 21.7 21.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-U18
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