MPEC 1998-K21 : 1998 KE3
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M.P.E.C. 1998-K21 Issued 1998 May 26, 17:42 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 KE3
Observations:
J98K03E* C1998 05 23.18205 14 56 18.66 +11 32 19.4 17.8 704
J98K03E C1998 05 23.20176 14 56 14.93 +11 31 13.3 18.1 704
J98K03E C1998 05 23.22155 14 56 11.18 +11 30 05.7 704
J98K03E C1998 05 23.24133 14 56 07.45 +11 29 00.3 704
J98K03E C1998 05 23.26131 14 56 03.59 +11 27 53.1 704
J98K03E C1998 05 24.15030 14 53 21.61 +10 37 49.4 17.9 704
J98K03E C1998 05 24.15096 14 53 21.48 +10 37 47.6 17.7 704
J98K03E C1998 05 24.16999 14 53 17.92 +10 36 42.1 704
J98K03E C1998 05 24.17064 14 53 17.90 +10 36 40.7 18.1 704
J98K03E C1998 05 24.18972 14 53 14.34 +10 35 36.2 704
J98K03E C1998 05 24.19037 14 53 14.19 +10 35 33.8 704
J98K03E C1998 05 24.20932 14 53 10.68 +10 34 29.7 704
J98K03E C1998 05 24.20996 14 53 10.59 +10 34 28.3 18.1 704
J98K03E C1998 05 24.21285 14 53 10.17 +10 34 17.4 17.4 V 670
J98K03E C1998 05 24.22535 14 53 07.88 +10 33 34.9 670
J98K03E C1998 05 24.22888 14 53 07.03 +10 33 23.4 704
J98K03E C1998 05 24.22953 14 53 06.99 +10 33 21.4 704
J98K03E C1998 05 24.23576 14 53 05.97 +10 33 01.0 670
J98K03E C1998 05 24.24618 14 53 03.99 +10 32 24.7 670
J98K03E C1998 05 24.46031 14 52 25.57 +10 20 33.5 16.5 R 422
J98K03E C1998 05 24.46196 14 52 25.27 +10 20 27.7 16.6 R 422
J98K03E C1998 05 24.46360 14 52 24.98 +10 20 22.5 16.4 R 422
J98K03E C1998 05 24.46939 14 52 24.05 +10 20 02.3 15.5 R 426
J98K03E C1998 05 24.47313 14 52 23.38 +10 19 49.8 15.2 R 426
J98K03E C1998 05 24.47691 14 52 22.68 +10 19 36.7 15.1 R 426
J98K03E C1998 05 24.48036 14 52 22.04 +10 19 25.2 15.2 R 426
J98K03E C1998 05 24.82014 14 51 21.24 +09 59 56.7 17.0 V 104
J98K03E C1998 05 24.82876 14 51 19.62 +09 59 27.4 104
J98K03E C1998 05 24.83525 14 51 18.42 +09 59 05.9 104
J98K03E C1998 05 24.84101 14 51 17.35 +09 58 45.9 104
J98K03E C1998 05 25.07533 14 50 35.64 +09 45 30.2 15.8 R 816
J98K03E C1998 05 25.07697 14 50 35.34 +09 45 24.7 15.9 R 816
J98K03E C1998 05 25.07859 14 50 35.05 +09 45 19.3 15.9 R 816
J98K03E C1998 05 25.08324 14 50 34.21 +09 45 03.5 15.7 R 816
J98K03E C1998 05 25.12262 14 50 26.99 +09 42 48.5 17.3 R 824
J98K03E C1998 05 25.12987 14 50 25.75 +09 42 23.8 17.4 R 824
J98K03E C1998 05 25.14287 14 50 23.37 +09 41 40.2 17.5 R 824
J98K03E C1998 05 25.15415 14 50 21.78 +09 41 05.1 17.3 704
J98K03E C1998 05 25.16525 14 50 19.79 +09 40 26.9 17.7 704
J98K03E C1998 05 25.17383 14 50 18.20 +09 39 58.8 704
J98K03E C1998 05 25.18495 14 50 16.14 +09 39 19.9 704
J98K03E C1998 05 25.19348 14 50 14.62 +09 38 52.0 704
J98K03E C1998 05 25.20458 14 50 12.62 +09 38 12.8 704
J98K03E C1998 05 25.22426 14 50 09.07 +09 37 07.0 704
J98K03E C1998 05 25.23993 14 50 06.31 +09 36 13.5 670
J98K03E C1998 05 25.24415 14 50 05.25 +09 35 56.2 704
J98K03E C1998 05 25.24688 14 50 05.13 +09 35 50.0 670
J98K03E C1998 05 25.26441 14 50 01.89 +09 34 50.7 16.8 V 670
J98K03E C1998 05 25.27535 14 49 59.88 +09 34 13.0 670
J98K03E C1998 05 25.45890 14 49 27.98 +09 24 02.8 15.8 R 426
J98K03E C1998 05 25.46296 14 49 27.27 +09 23 49.3 15.4 R 426
J98K03E C1998 05 25.46780 14 49 26.40 +09 23 32.9 15.4 R 426
J98K03E C1998 05 25.47267 14 49 25.51 +09 23 16.4 15.2 R 426
J98K03E C1998 05 25.53115 14 49 14.79 +09 19 58.4 17.0 R 422
J98K03E C1998 05 25.53239 14 49 14.57 +09 19 53.8 16.8 R 422
J98K03E C1998 05 25.53363 14 49 14.34 +09 19 49.5 17.3 R 422
J98K03E C1998 05 25.82691 14 48 23.32 +09 02 54.6 046
J98K03E C1998 05 25.82794 14 48 23.15 +09 02 51.8 046
J98K03E C1998 05 25.82899 14 48 22.93 +09 02 47.5 046
J98K03E C1998 05 25.83010 14 48 22.72 +09 02 44.2 046
J98K03E C1998 05 25.83126 14 48 22.54 +09 02 40.3 046
J98K03E C1998 05 25.85259 14 48 18.80 +09 01 28.0 104
J98K03E C1998 05 25.85382 14 48 18.60 +09 01 24.4 104
J98K03E C1998 05 25.85509 14 48 18.33 +09 01 20.0 104
J98K03E C1998 05 26.02306 14 47 48.50 +08 51 47.4 557
J98K03E C1998 05 26.02468 14 47 48.21 +08 51 41.7 557
J98K03E C1998 05 26.02631 14 47 47.94 +08 51 36.3 16.4 V 557
J98K03E C1998 05 26.44891 14 46 35.70 +08 27 53.9 16.7 R 422
J98K03E C1998 05 26.45030 14 46 35.47 +08 27 49.3 16.6 R 422
J98K03E C1998 05 26.45166 14 46 35.21 +08 27 44.5 16.8 R 422
J98K03E C1998 05 26.45303 14 46 34.97 +08 27 39.8 16.7 R 422
J98K03E C1998 05 26.47350 14 46 31.53 +08 26 31.2 16.6 R 426
J98K03E C1998 05 26.47726 14 46 30.85 +08 26 18.7 16.2 R 426
J98K03E C1998 05 26.48086 14 46 30.18 +08 26 06.0 16.2 R 426
J98K03E C1998 05 26.50741 14 46 25.55 +08 24 22.1 16.6 V 402
J98K03E C1998 05 26.50880 14 46 25.29 +08 24 17.6 402
J98K03E C1998 05 26.51019 14 46 25.04 +08 24 12.8 402
Observer details:
046 Klet. Observer M. Tichy. 0.57-m f/5.2 reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini. Measurers
A. Boattini, L. Tesi, G. Forti. 0.40-m f/5 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 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.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh. 1.0-m f/2.15 reflector + CCD.
816 Rand Observatory. Observer G. R. Viscome. 0.37-m f/6 reflector + CCD.
824 Lake Clear. Observer K. A. Williams. 0.41-m f/5.0 reflector + CCD
Orbital elements:
1998 KE3
Epoch 1998 May 7.0 TT = JDT 2450940.5 Williams
M 14.78335 (2000.0) P Q
n 0.33084731 Peri. 130.85605 -0.74706554 +0.04486316
a 2.0703843 Node 62.94996 -0.54795632 -0.60641700
e 0.2597081 Incl. 48.13312 +0.37634686 -0.79388016
P 2.98 H 15.5 G 0.15
From 77 observations 1998 May 23-26.
Ephemeris:
1998 KE3 a,e,i = 2.07, 0.26, 48 q = 1.5327
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 05 17 15 16.33 +17 09.0 0.649 1.580 143.3 22.5 16.6
1998 05 22 14 59.99 +12 38.5 0.652 1.589 144.4 21.8 16.6
1998 05 27 14 45.02 +07 56.6 0.665 1.598 143.5 22.2 16.7
1998 06 01 14 31.83 +03 15.2 0.689 1.608 140.7 23.5 16.8
1998 06 06 14 20.61 -01 15.5 0.722 1.618 136.8 25.4 17.0
1998 06 11 14 11.40 -05 28.6 0.763 1.629 132.2 27.5 17.2
1998 06 16 14 04.12 -09 20.8 0.812 1.641 127.4 29.5 17.4
1998 06 21 13 58.65 -12 51.6 0.866 1.653 122.6 31.2 17.6
1998 06 26 13 54.85 -16 02.1 0.925 1.665 118.0 32.6 17.8
1998 07 01 13 52.56 -18 54.1 0.988 1.678 113.6 33.7 18.0
1998 07 06 13 51.63 -21 30.2 1.054 1.691 109.5 34.5 18.2
1998 07 11 13 51.89 -23 52.4 1.123 1.705 105.6 35.0 18.4
1998 07 16 13 53.24 -26 02.9 1.192 1.719 101.9 35.3 18.5
1998 07 21 13 55.56 -28 03.4 1.263 1.733 98.4 35.4 18.7
1998 07 26 13 58.77 -29 55.6 1.335 1.748 95.1 35.4 18.8
1998 07 31 14 02.81 -31 40.7 1.407 1.763 92.0 35.1 18.9
1998 08 05 14 07.59 -33 19.8 1.479 1.778 89.0 34.8 19.0
1998 08 10 14 13.08 -34 53.6 1.550 1.793 86.1 34.3 19.1
1998 08 15 14 19.22 -36 23.0 1.621 1.809 83.3 33.8 19.2
1998 08 20 14 26.00 -37 48.3 1.691 1.824 80.7 33.2 19.3
1998 08 25 14 33.40 -39 10.1 1.760 1.840 78.1 32.5 19.4
1998 08 30 14 41.40 -40 28.6 1.827 1.856 75.6 31.8 19.5
1998 09 04 14 49.98 -41 44.1 1.894 1.872 73.3 31.1 19.6
1998 09 09 14 59.13 -42 56.6 1.959 1.888 71.0 30.3 19.6
1998 09 14 15 08.85 -44 06.2 2.022 1.904 68.7 29.5 19.7
1998 09 19 15 19.15 -45 13.0 2.084 1.920 66.6 28.7 19.8
1998 09 24 15 30.03 -46 16.8 2.144 1.936 64.4 27.9 19.8
1998 09 29 15 41.49 -47 17.7 2.202 1.952 62.4 27.1 19.9
1998 10 04 15 53.52 -48 15.4 2.259 1.968 60.4 26.2 19.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-K21
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- B01 (the abbreviated form)