MPEC 1998-H19 : 1998 HK3
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M.P.E.C. 1998-H19 Issued 1998 Apr. 23, 14:49 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 HK3
Observations:
J98H03K* C1998 04 20.14753 12 32 13.34 +05 30 17.8 19.4 704
J98H03K C1998 04 20.16769 12 32 10.91 +05 30 04.5 20.0 704
J98H03K C1998 04 20.18797 12 32 08.17 +05 29 47.1 19.7 704
J98H03K C1998 04 20.20885 12 32 05.42 +05 29 29.5 19.8 704
J98H03K C1998 04 20.22895 12 32 02.65 +05 29 11.9 20.0 704
J98H03K C1998 04 20.86124 12 30 42.90 +05 20 14.0 557
J98H03K C1998 04 20.86322 12 30 42.69 +05 20 13.0 19.5 V 557
J98H03K C1998 04 20.86520 12 30 42.38 +05 20 11.2 557
J98H03K C1998 04 20.87784 12 30 40.82 +05 20 00.9 19.2 V 046
J98H03K C1998 04 20.88236 12 30 40.30 +05 19 56.0 046
J98H03K C1998 04 20.88524 12 30 39.90 +05 19 54.3 046
J98H03K C1998 04 21.14881 12 30 06.99 +05 16 10.8 19.6 704
J98H03K C1998 04 21.15235 12 30 06.66 +05 16 08.6 19.6 704
J98H03K C1998 04 21.15906 12 30 05.72 +05 16 02.0 19.9 704
J98H03K C1998 04 21.16263 12 30 05.29 +05 16 02.1 20.1 704
J98H03K C1998 04 21.16599 12 30 04.68 +05 15 57.7 19.6 704
J98H03K C1998 04 21.16934 12 30 04.23 +05 15 55.5 19.6 704
J98H03K C1998 04 21.17270 12 30 03.91 +05 15 53.1 19.6 704
J98H03K C1998 04 21.17605 12 30 03.41 +05 15 48.9 19.6 704
J98H03K C1998 04 21.84492 12 28 39.93 +05 06 07.6 19.1 V 046
J98H03K C1998 04 21.84682 12 28 39.70 +05 06 06.0 046
J98H03K C1998 04 21.84880 12 28 39.44 +05 06 04.7 046
J98H03K C1998 04 21.85079 12 28 39.24 +05 06 03.0 046
J98H03K C1998 04 22.02021 12 28 17.66 +05 03 35.2 557
J98H03K C1998 04 22.02287 12 28 17.34 +05 03 32.9 557
J98H03K C1998 04 22.02568 12 28 16.90 +05 03 30.0 19.5 V 557
J98H03K C1998 04 22.15199 12 28 02.06 +05 01 43.0 19.5 704
J98H03K C1998 04 22.17083 12 27 59.62 +05 01 25.8 19.0 704
J98H03K C1998 04 22.18959 12 27 57.17 +05 01 09.0 18.9 704
J98H03K C1998 04 22.20852 12 27 55.01 +05 00 50.1 18.3 704
J98H03K C1998 04 22.22729 12 27 52.43 +05 00 37.0 18.9 704
J98H03K C1998 04 22.82172 12 26 39.53 +04 51 49.3 19.3 V 046
J98H03K C1998 04 22.82376 12 26 39.15 +04 51 47.5 046
J98H03K C1998 04 22.82620 12 26 38.85 +04 51 44.3 046
J98H03K C1998 04 22.83034 12 26 38.30 +04 51 40.8 046
J98H03K C1998 04 22.87088 12 26 33.21 +04 51 05.3 557
J98H03K C1998 04 22.87366 12 26 32.83 +04 51 02.6 19.3 V 557
J98H03K C1998 04 22.94503 12 26 23.90 +04 49 58.7 118
J98H03K C1998 04 22.94784 12 26 23.48 +04 49 56.2 118
J98H03K C1998 04 22.95554 12 26 22.55 +04 49 49.2 18.8 R 118
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
118 Modra. Observers L. Kornos, P. Koleny. 0.6-m f/5.5 reflector + 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. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1998 HK3
Epoch 1998 Apr. 17.0 TT = JDT 2450920.5 Williams
M 296.33651 (2000.0) P Q
n 0.40029290 Peri. 267.87524 +0.38249057 +0.90378475
a 1.8234091 Node 27.25436 -0.58883942 +0.39859563
e 0.2969663 Incl. 24.79197 -0.71201763 +0.15586738
P 2.46 H 17.5 G 0.15
From 40 observations 1998 Apr. 20-22.
Ephemeris:
1998 HK3 a,e,i = 1.82, 0.30, 25 q = 1.2819
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 04 17 12 38.98 +06 12.6 0.763 1.734 157.6 12.7 18.9
1998 04 22 12 28.34 +05 04.0 0.761 1.714 151.9 16.1 18.9
1998 04 27 12 18.42 +03 47.4 0.765 1.694 145.8 19.5 19.0
1998 05 02 12 09.53 +02 24.2 0.774 1.674 139.7 22.9 19.2
1998 05 07 12 01.87 +00 55.9 0.787 1.655 133.8 26.1 19.3
1998 05 12 11 55.58 -00 36.2 0.805 1.635 128.1 29.1 19.4
1998 05 17 11 50.68 -02 11.0 0.826 1.615 122.7 31.8 19.5
1998 05 22 11 47.17 -03 47.6 0.849 1.595 117.7 34.2 19.6
1998 05 27 11 45.01 -05 25.6 0.874 1.576 113.0 36.3 19.7
1998 06 01 11 44.14 -07 04.5 0.900 1.556 108.6 38.1 19.8
1998 06 06 11 44.47 -08 44.4 0.927 1.537 104.6 39.7 19.8
1998 06 11 11 45.91 -10 25.1 0.954 1.518 100.8 41.1 19.9
1998 06 16 11 48.37 -12 06.6 0.981 1.500 97.4 42.2 20.0
1998 06 21 11 51.79 -13 48.9 1.007 1.481 94.1 43.2 20.0
1998 06 26 11 56.11 -15 32.2 1.033 1.464 91.1 44.0 20.1
1998 07 01 12 01.29 -17 16.5 1.057 1.446 88.4 44.6 20.1
1998 07 06 12 07.29 -19 01.9 1.081 1.429 85.9 45.2 20.2
1998 07 11 12 14.07 -20 48.3 1.103 1.413 83.5 45.6 20.2
1998 07 16 12 21.63 -22 35.6 1.124 1.398 81.4 46.0 20.2
1998 07 21 12 29.96 -24 23.8 1.143 1.383 79.4 46.2 20.2
1998 07 26 12 39.09 -26 12.6 1.161 1.369 77.6 46.5 20.3
1998 07 31 12 49.03 -28 01.9 1.177 1.355 76.0 46.6 20.3
1998 08 05 12 59.82 -29 51.3 1.192 1.343 74.5 46.7 20.3
1998 08 10 13 11.50 -31 40.4 1.206 1.332 73.2 46.8 20.3
1998 08 15 13 24.12 -33 28.4 1.218 1.321 72.0 46.8 20.3
1998 08 20 13 37.76 -35 14.7 1.229 1.312 70.9 46.8 20.3
1998 08 25 13 52.50 -36 58.4 1.239 1.304 70.0 46.8 20.3
1998 08 30 14 08.40 -38 38.6 1.249 1.297 69.2 46.7 20.3
1998 09 04 14 25.53 -40 13.7 1.257 1.292 68.5 46.6 20.3
1998 09 09 14 43.94 -41 42.5 1.265 1.287 67.9 46.5 20.3
1998 09 14 15 03.68 -43 02.9 1.274 1.284 67.4 46.3 20.3
1998 09 19 15 24.77 -44 13.4 1.282 1.282 67.0 46.1 20.3
1998 09 24 15 47.14 -45 11.8 1.290 1.282 66.6 45.9 20.3
1998 09 29 16 10.70 -45 56.3 1.300 1.283 66.3 45.6 20.3
1998 10 04 16 35.24 -46 25.0 1.310 1.285 66.0 45.3 20.4
1998 10 09 17 00.51 -46 36.3 1.321 1.289 65.8 45.0 20.4
1998 10 14 17 26.21 -46 29.2 1.334 1.294 65.5 44.6 20.4
1998 10 19 17 51.99 -46 03.1 1.349 1.300 65.3 44.1 20.4
1998 10 24 18 17.52 -45 18.2 1.366 1.307 65.0 43.6 20.4
1998 10 29 18 42.47 -44 15.4 1.385 1.316 64.7 43.1 20.5
1998 11 03 19 06.60 -42 56.0 1.407 1.325 64.4 42.4 20.5
1998 11 08 19 29.71 -41 21.7 1.431 1.336 63.9 41.8 20.5
1998 11 13 19 51.71 -39 34.6 1.458 1.348 63.5 41.1 20.6
1998 11 18 20 12.55 -37 36.8 1.488 1.360 62.9 40.3 20.6
1998 11 23 20 32.26 -35 30.4 1.520 1.374 62.2 39.5 20.7
1998 11 28 20 50.86 -33 17.4 1.555 1.388 61.5 38.7 20.7
1998 12 03 21 08.44 -30 59.7 1.592 1.403 60.7 37.8 20.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-H19
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