MPEC 1998-Q12 : 1998 QC1
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M.P.E.C. 1998-Q12 Issued 1998 Aug. 20, 22:38 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 QC1
Observations:
J98Q01C* C1998 08 17.25493 21 49 05.88 -02 51 48.2 19.6 704
J98Q01C C1998 08 17.27580 21 49 02.89 -02 51 25.3 19.6 704
J98Q01C C1998 08 17.29692 21 48 59.93 -02 50 59.3 19.2 704
J98Q01C C1998 08 17.31779 21 48 57.25 -02 50 38.7 19.1 704
J98Q01C C1998 08 17.33877 21 48 54.38 -02 50 11.9 19.0 704
J98Q01C C1998 08 17.93492 21 47 36.51 -02 38 58.9 18.8 V 046
J98Q01C C1998 08 17.93627 21 47 36.24 -02 38 57.7 046
J98Q01C C1998 08 17.93743 21 47 36.14 -02 38 56.6 046
J98Q01C C1998 08 17.93892 21 47 35.90 -02 38 54.7 046
J98Q01C C1998 08 18.55304 21 46 13.33 -02 26 36.6 18.7 R 426
J98Q01C C1998 08 18.55910 21 46 12.53 -02 26 29.0 18.6 R 426
J98Q01C C1998 08 18.56517 21 46 11.61 -02 26 21.9 18.7 R 426
J98Q01C C1998 08 19.44964 21 44 08.80 -02 08 53.4 19.5 R 422
J98Q01C C1998 08 19.45177 21 44 08.44 -02 08 51.2 19.1 R 422
J98Q01C C1998 08 19.45382 21 44 08.13 -02 08 48.3 19.3 R 422
J98Q01C C1998 08 19.87750 21 43 06.93 -02 00 46.9 557
J98Q01C C1998 08 19.90247 21 43 03.20 -02 00 16.2 18.3 V 557
J98Q01C C1998 08 19.98054 21 42 51.36 -01 58 40.8 18.4 V 046
J98Q01C C1998 08 19.98190 21 42 51.20 -01 58 38.0 046
J98Q01C C1998 08 19.98355 21 42 50.89 -01 58 35.8 046
J98Q01C C1998 08 19.98501 21 42 50.80 -01 58 35.3 18.6 V 046
J98Q01C C1998 08 19.98615 21 42 50.54 -01 58 33.1 046
J98Q01C bC1998 08 20.72212 21 41 01.08 -01 42 56.6 19.0 R 422
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
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. Observer P. Pravec. 0.65-m f/3.6 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 QC1 PHA 0.014
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 328.79054 (2000.0) P Q
n 0.34521650 Peri. 114.81036 +0.43150262 -0.89244117
a 2.0125269 Node 308.97674 +0.75436700 +0.43704585
e 0.5977598 Incl. 9.75620 +0.49470791 +0.11198070
P 2.86 H 19.5 G 0.15
From 23 observations 1998 Aug. 17-20.
Ephemeris:
1998 QC1 a,e,i = 2.01, 0.60, 10 q = 0.8095
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 15 21 53.71 -03 32.5 0.427 1.434 168.6 8.0 19.0
1998 08 20 21 42.81 -01 58.0 0.382 1.389 168.9 8.1 18.7
1998 08 25 21 29.42 -00 08.2 0.342 1.344 164.5 11.6 18.5
1998 08 30 21 13.36 +01 59.8 0.307 1.299 157.3 17.5 18.4
1998 09 04 20 54.55 +04 28.1 0.277 1.253 148.6 24.7 18.3
1998 09 09 20 32.92 +07 18.0 0.251 1.208 139.0 33.1 18.3
1998 09 14 20 08.43 +10 28.8 0.230 1.164 128.6 42.5 18.3
1998 09 19 19 41.04 +13 57.4 0.213 1.120 117.6 52.6 18.3
1998 09 24 19 10.67 +17 38.6 0.200 1.077 106.2 63.5 18.4
1998 09 29 18 37.00 +21 23.5 0.191 1.035 94.6 74.8 18.6
1998 10 04 17 59.51 +24 58.6 0.185 0.995 82.9 86.5 18.9
1998 10 09 17 17.91 +28 03.0 0.182 0.957 71.4 98.1 19.2
1998 10 14 16 32.90 +30 10.0 0.185 0.922 60.8 109.2 19.8
1998 10 24 15 03.02 +30 14.7 0.204 0.863 45.1 125.2 21.0
1998 11 03 13 54.41 +25 20.9 0.245 0.824 41.3 127.4 21.5
1998 11 13 13 15.74 +18 24.9 0.304 0.810 46.2 118.1 21.2
1998 11 23 12 59.38 +11 32.4 0.371 0.822 53.3 105.5 20.8
1998 12 03 12 55.87 +05 22.5 0.437 0.859 60.4 93.3 20.7
1998 12 13 12 58.68 -00 00.3 0.495 0.916 67.4 82.7 20.7
1998 12 23 13 03.52 -04 39.4 0.541 0.988 74.5 73.6 20.7
1999 01 02 13 07.59 -08 39.4 0.573 1.070 82.3 65.6 20.8
1999 01 12 13 08.98 -12 03.5 0.594 1.156 90.8 58.2 20.8
1999 01 22 13 06.10 -14 51.5 0.605 1.246 100.5 50.9 20.8
1999 02 01 12 57.83 -16 59.4 0.612 1.336 111.4 43.3 20.7
1999 02 11 12 43.77 -18 19.8 0.620 1.426 123.6 35.2 20.7
1999 02 21 12 24.62 -18 43.3 0.635 1.515 136.6 26.6 20.6
1999 03 03 12 02.71 -18 07.1 0.666 1.601 149.6 18.3 20.6
1999 03 13 11 41.29 -16 41.6 0.718 1.686 159.9 11.7 20.6
1999 03 23 11 23.25 -14 48.1 0.793 1.768 162.3 9.9 20.9
1999 04 02 11 10.22 -12 51.0 0.891 1.847 155.6 12.9 21.3
1999 04 12 11 02.41 -11 07.2 1.010 1.924 146.0 16.9 21.8
1999 04 22 10 59.27 -09 45.2 1.148 1.999 136.3 20.3 22.3
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q12
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