MPEC 1998-R04 : 1998 QK56
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M.P.E.C. 1998-R04 Issued 1998 Sept. 1, 12:59 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 QK56
Observations:
J98Q56K* C1998 08 28.35522 02 29 44.78 +10 46 34.3 18.8 704
J98Q56K C1998 08 28.36420 02 29 46.09 +10 46 32.7 19.5 704
J98Q56K C1998 08 28.37367 02 29 47.52 +10 46 29.4 19.3 704
J98Q56K C1998 08 28.38324 02 29 48.90 +10 46 25.0 19.1 704
J98Q56K C1998 08 29.33707 02 32 17.08 +10 40 34.8 19.0 704
J98Q56K C1998 08 29.34793 02 32 18.76 +10 40 30.7 19.8 704
J98Q56K C1998 08 29.35876 02 32 20.45 +10 40 25.1 19.0 704
J98Q56K C1998 08 29.36962 02 32 22.13 +10 40 22.5 19.7 704
J98Q56K C1998 08 29.38049 02 32 23.51 +10 40 17.7 19.6 704
J98Q56K C1998 08 29.50637 02 32 43.07 +10 39 26.8 658
J98Q56K C1998 08 29.50894 02 32 43.45 +10 39 25.8 658
J98Q56K C1998 08 29.51466 02 32 44.35 +10 39 23.5 658
J98Q56K C1998 08 29.62869 02 33 02.68 +10 38 55.5 18.2 R 422
J98Q56K C1998 08 29.63093 02 33 02.86 +10 38 53.6 18.1 R 422
J98Q56K FC1998 08 29.63178 02 33 02.97 +10 38 51.5 422
J98Q56K C1998 08 29.75617 02 33 22.34 +10 38 04.5 18.4 R 426
J98Q56K C1998 08 29.76269 02 33 23.39 +10 38 02.1 18.5 R 426
J98Q56K C1998 08 29.77079 02 33 24.54 +10 37 58.7 18.3 R 426
J98Q56K C1998 08 30.47609 02 35 15.87 +10 32 54.6 658
J98Q56K C1998 08 30.47799 02 35 16.18 +10 32 53.1 658
J98Q56K C1998 08 30.47987 02 35 16.49 +10 32 53.0 658
J98Q56K FC1998 08 30.77084 02 36 02.44 +10 31 05.4 18.3 R 422
J98Q56K C1998 08 30.77476 02 36 03.05 +10 31 03.0 18.0 R 422
J98Q56K C1998 08 31.96795 02 39 15.18 +10 21 47.6 557
J98Q56K C1998 08 31.97008 02 39 15.52 +10 21 47.1 557
J98Q56K C1998 09 01.04363 02 39 27.32 +10 21 13.3 18.0 V 046
J98Q56K C1998 09 01.04497 02 39 27.51 +10 21 12.3 046
J98Q56K C1998 09 01.04646 02 39 27.70 +10 21 11.3 046
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 L. Sarounova. 0.65-m f/3.6 reflector + CCD.
658 Dominion Astrophysical Observatory. Observers G. C. L. Aikman,
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 QK56
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 313.82180 (2000.0) P Q
n 0.39527686 Peri. 286.39715 -0.16860290 -0.98529573
a 1.8388026 Node 173.12867 +0.96938814 -0.17083275
e 0.5011728 Incl. 13.37018 +0.17849285 -0.00291593
P 2.49 H 17.0 G 0.15
From 25 observations 1998 Aug. 28-Sept. 1.
Ephemeris:
1998 QK56 a,e,i = 1.84, 0.50, 13 q = 0.9172
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 25 02 21.30 +11 03.5 0.773 1.509 114.9 37.4 18.8
1998 08 30 02 34.01 +10 36.3 0.709 1.473 116.9 37.7 18.6
1998 09 04 02 47.61 +09 55.3 0.648 1.436 118.6 38.1 18.4
1998 09 09 03 02.29 +08 57.6 0.590 1.400 120.1 38.5 18.1
1998 09 14 03 18.29 +07 40.2 0.536 1.363 121.2 39.1 17.9
1998 09 19 03 35.85 +05 59.2 0.485 1.326 121.8 40.1 17.6
1998 09 24 03 55.30 +03 50.5 0.439 1.290 121.8 41.4 17.4
1998 09 29 04 17.01 +01 10.3 0.397 1.254 121.0 43.3 17.2
1998 10 04 04 41.40 -02 04.0 0.361 1.218 119.1 45.9 17.0
1998 10 09 05 08.84 -05 52.2 0.331 1.183 116.1 49.4 16.8
1998 10 14 05 39.55 -10 08.8 0.308 1.148 111.9 53.7 16.7
1998 10 19 06 13.50 -14 41.4 0.292 1.115 106.6 58.9 16.7
1998 10 24 06 50.24 -19 10.3 0.283 1.084 100.6 64.5 16.7
1998 10 29 07 28.88 -23 13.6 0.282 1.054 94.5 70.1 16.8
1998 11 03 08 08.14 -26 33.7 0.287 1.026 88.5 75.2 17.0
1998 11 13 09 23.33 -30 41.5 0.312 0.977 78.6 83.1 17.3
1998 11 23 10 28.69 -31 59.3 0.351 0.942 72.2 87.0 17.7
1998 12 03 11 23.39 -31 35.4 0.396 0.921 69.0 87.4 17.9
1998 12 13 12 09.67 -30 22.0 0.442 0.918 68.3 85.1 18.0
1998 12 23 12 49.60 -28 46.6 0.486 0.932 69.5 81.3 18.1
1999 01 02 13 24.44 -26 59.1 0.524 0.963 72.2 76.6 18.2
1999 01 12 13 54.79 -25 01.9 0.554 1.007 76.1 71.5 18.2
1999 01 22 14 20.65 -22 52.6 0.576 1.061 81.2 66.4 18.3
1999 02 01 14 41.76 -20 26.9 0.588 1.124 87.4 61.1 18.3
1999 02 11 14 57.81 -17 41.0 0.593 1.192 94.7 55.6 18.3
1999 02 21 15 08.26 -14 30.8 0.592 1.263 103.2 49.6 18.2
1999 03 03 15 12.63 -10 54.8 0.588 1.336 113.1 43.0 18.1
1999 03 13 15 10.72 -06 56.1 0.587 1.410 124.1 35.7 18.1
1999 03 23 15 02.69 -02 45.4 0.594 1.483 136.1 27.8 18.0
1999 04 02 14 49.76 +01 16.6 0.615 1.555 147.9 20.0 17.9
1999 04 12 14 34.03 +04 44.6 0.654 1.626 157.3 13.7 17.9
1999 04 22 14 18.09 +07 18.1 0.715 1.695 160.0 11.7 18.1
1999 05 02 14 04.33 +08 49.3 0.797 1.762 154.8 14.1 18.5
1999 05 12 13 54.10 +09 24.1 0.898 1.827 146.3 17.9 19.0
1999 05 22 13 47.84 +09 14.1 1.017 1.890 137.3 21.3 19.5
1999 06 01 13 45.38 +08 31.7 1.149 1.950 128.7 23.9 19.9
1999 06 11 13 46.18 +07 27.5 1.292 2.009 120.5 25.8 20.2
1999 06 21 13 49.72 +06 08.9 1.445 2.065 112.9 27.0 20.6
1999 07 01 13 55.48 +04 41.5 1.603 2.118 105.7 27.5 20.9
1999 07 11 14 03.02 +03 09.3 1.766 2.170 98.9 27.6 21.1
1999 07 21 14 12.04 +01 34.8 1.932 2.219 92.3 27.2 21.4
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-R04
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