MPEC 1998-Q18 : 1998 QD2
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M.P.E.C. 1998-Q18 Issued 1998 Aug. 22, 15:21 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 QD2
Observations:
J98Q02D* C1998 08 19.37691 22 40 46.86 +03 47 18.1 19.5 704
J98Q02D C1998 08 19.38881 22 40 46.28 +03 47 30.3 19.6 704
J98Q02D C1998 08 19.40146 22 40 45.59 +03 47 42.3 19.5 704
J98Q02D C1998 08 19.41421 22 40 44.83 +03 47 49.7 19.5 704
J98Q02D C1998 08 19.42687 22 40 44.23 +03 48 03.0 19.3 704
J98Q02D C1998 08 19.87214 22 40 22.22 +03 54 22.7 557
J98Q02D C1998 08 19.89214 22 40 21.05 +03 54 38.3 18.5 V 557
J98Q02D C1998 08 20.01376 22 40 14.43 +03 56 23.9 18.1 V 046
J98Q02D C1998 08 20.01569 22 40 14.37 +03 56 25.8 046
J98Q02D C1998 08 20.01752 22 40 14.29 +03 56 27.4 046
J98Q02D C1998 08 20.01940 22 40 14.15 +03 56 28.8 046
J98Q02D C1998 08 20.60426 22 39 44.07 +04 04 48.8 18.4 V 402
J98Q02D C1998 08 20.60531 22 39 44.03 +04 04 48.7 402
J98Q02D C1998 08 20.60635 22 39 43.96 +04 04 50.0 402
J98Q02D C1998 08 20.60740 22 39 43.88 +04 04 51.5 402
J98Q02D bC1998 08 20.73994 22 39 36.39 +04 06 55.8 18.4 R 422
J98Q02D bC1998 08 20.74272 22 39 36.22 +04 06 58.5 422
J98Q02D C1998 08 20.94716 22 39 25.98 +04 09 36.5 557
J98Q02D C1998 08 20.94977 22 39 25.89 +04 09 39.2 557
J98Q02D C1998 08 20.95241 22 39 25.77 +04 09 40.9 18.2 V 557
J98Q02D C1998 08 22.48615 22 38 03.12 +04 31 04.0 658
J98Q02D C1998 08 22.49017 22 38 02.90 +04 31 07.1 658
J98Q02D C1998 08 22.49521 22 38 02.61 +04 31 11.1 658
J98Q02D C1998 08 22.51403 22 38 02.41 +04 31 41.3 18.5 R 426
J98Q02D C1998 08 22.52094 22 38 02.02 +04 31 46.8 18.5 R 426
J98Q02D C1998 08 22.52793 22 38 01.52 +04 31 52.2 18.6 R 426
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + 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.
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 QD2
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 349.75378 (2000.0) P Q
n 0.20054379 Peri. 44.50854 +0.98395936 +0.02122343
a 2.8906570 Node 313.37959 -0.11508343 +0.83417894
e 0.4053324 Incl. 14.10502 +0.13630771 +0.55108535
P 4.91 H 17.5 G 0.15
From 26 observations 1998 Aug. 19-22.
Ephemeris:
1998 QD2 a,e,i = 2.89, 0.41, 14 q = 1.7190
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 15 22 44.25 +02 43.1 0.795 1.771 156.4 13.3 19.0
1998 08 20 22 40.25 +03 56.3 0.775 1.761 160.2 11.2 18.9
1998 08 25 22 35.73 +05 05.2 0.760 1.753 163.2 9.6 18.8
1998 08 30 22 30.88 +06 08.9 0.751 1.745 164.7 8.8 18.7
1998 09 04 22 25.94 +07 06.6 0.746 1.738 164.3 9.0 18.7
1998 09 09 22 21.16 +07 57.8 0.746 1.733 162.0 10.3 18.7
1998 09 14 22 16.75 +08 42.3 0.752 1.728 158.6 12.2 18.8
1998 09 19 22 12.96 +09 20.2 0.762 1.724 154.6 14.5 18.9
1998 09 24 22 09.95 +09 52.1 0.776 1.721 150.3 16.8 19.0
1998 09 29 22 07.89 +10 18.9 0.795 1.720 146.0 19.0 19.1
1998 10 04 22 06.86 +10 41.6 0.818 1.719 141.8 21.1 19.3
1998 10 09 22 06.89 +11 01.3 0.844 1.719 137.7 23.0 19.4
1998 10 14 22 07.98 +11 18.8 0.873 1.721 133.7 24.8 19.5
1998 10 19 22 10.12 +11 35.2 0.905 1.723 129.9 26.3 19.7
1998 10 24 22 13.25 +11 51.2 0.940 1.726 126.3 27.7 19.8
1998 10 29 22 17.33 +12 07.6 0.977 1.731 122.8 28.8 19.9
1998 11 03 22 22.28 +12 25.1 1.017 1.736 119.5 29.8 20.0
1998 11 08 22 28.02 +12 43.9 1.059 1.742 116.4 30.6 20.1
1998 11 13 22 34.46 +13 04.3 1.103 1.749 113.3 31.3 20.3
1998 11 18 22 41.55 +13 26.6 1.148 1.757 110.4 31.8 20.4
1998 11 23 22 49.22 +13 50.9 1.196 1.766 107.6 32.2 20.5
1998 11 28 22 57.41 +14 17.3 1.245 1.776 104.9 32.5 20.6
1998 12 03 23 06.06 +14 45.7 1.296 1.787 102.3 32.6 20.7
1998 12 08 23 15.09 +15 16.2 1.348 1.798 99.7 32.7 20.8
1998 12 13 23 24.48 +15 48.4 1.402 1.811 97.2 32.6 20.9
1998 12 18 23 34.18 +16 22.4 1.457 1.824 94.7 32.5 21.0
1998 12 23 23 44.16 +16 57.9 1.514 1.838 92.3 32.3 21.1
1998 12 28 23 54.37 +17 34.7 1.572 1.852 89.9 32.1 21.2
1999 01 02 00 04.79 +18 12.7 1.631 1.867 87.5 31.7 21.3
1999 01 07 00 15.38 +18 51.5 1.691 1.883 85.1 31.4 21.4
1999 01 12 00 26.13 +19 31.0 1.753 1.899 82.8 30.9 21.4
1999 01 17 00 37.02 +20 10.9 1.815 1.916 80.5 30.4 21.5
1999 01 22 00 48.04 +20 51.0 1.879 1.934 78.2 29.9 21.6
1999 01 27 00 59.16 +21 31.1 1.943 1.952 75.9 29.3 21.7
1999 02 01 01 10.36 +22 11.0 2.007 1.970 73.6 28.7 21.7
1999 02 06 01 21.65 +22 50.3 2.073 1.989 71.3 28.0 21.8
1999 02 11 01 32.99 +23 28.9 2.139 2.008 69.0 27.3 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q18
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