MPEC 1998-H28: 1998 HD14
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M.P.E.C. 1998-H28 Issued 1998 Apr. 27, 16:53 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 HD14
Observations:
J98H14D* C1998 04 25.37664 13 38 55.01 +34 39 58.8 18.7 V 566
J98H14D C1998 04 25.39710 13 38 51.18 +34 38 54.6 18.8 V 566
J98H14D C1998 04 25.41756 13 38 47.25 +34 37 47.9 19.5 V 566
J98H14D C1998 04 25.85957 13 37 45.78 +34 13 58.4 17.4 R 046
J98H14D C1998 04 25.86068 13 37 45.62 +34 13 55.2 046
J98H14D C1998 04 25.86184 13 37 45.43 +34 13 51.5 046
J98H14D C1998 04 25.86274 13 37 45.28 +34 13 48.8 557
J98H14D C1998 04 25.86321 13 37 45.17 +34 13 47.5 046
J98H14D C1998 04 25.86441 13 37 44.99 +34 13 43.7 046
J98H14D C1998 04 25.86573 13 37 44.75 +34 13 39.9 046
J98H14D C1998 04 25.86601 13 37 44.58 +34 13 37.8 17.8 V 557
J98H14D C1998 04 26.17127 13 37 01.32 +33 58 13.6 17.4 R 816
J98H14D C1998 04 26.17537 13 37 00.68 +33 58 01.5 17.5 R 816
J98H14D C1998 04 26.18147 13 36 59.65 +33 57 42.3 17.4 R 816
J98H14D C1998 04 26.81419 13 35 40.57 +33 26 11.7 046
J98H14D C1998 04 26.81551 13 35 40.38 +33 26 08.6 17.9 V 046
J98H14D C1998 04 26.81950 13 35 39.77 +33 25 57.1 046
J98H14D C1998 04 26.82358 13 35 39.13 +33 25 44.4 557
J98H14D C1998 04 26.82365 13 35 39.17 +33 25 45.6 046
J98H14D C1998 04 26.82590 13 35 38.82 +33 25 38.7 557
J98H14D C1998 04 26.82823 13 35 38.41 +33 25 32.0 18.1 V 557
J98H14D C1998 04 27.48965 13 34 14.40 +32 54 47.9 18.5 568
J98H14D C1998 04 27.49369 13 34 13.74 +32 54 35.0 568
J98H14D C1998 04 27.49773 13 34 13.17 +32 54 23.1 568
J98H14D C1998 04 27.50715 13 34 11.84 +32 53 55.8 568
J98H14D C1998 04 27.52824 13 34 08.92 +32 52 53.4 568
J98H14D C1998 04 27.53228 13 34 08.33 +32 52 41.1 568
J98H14D C1998 04 27.54763 13 34 06.28 +32 51 56.5 568
J98H14D C1998 04 27.55569 13 34 05.23 +32 51 32.2 568
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
568 Mauna Kea. Observers J. Bauer, R. J. Whiteley. Measurer R. J. Whiteley.
0.6-m f/15 reflector + CCD.
816 Rand Observatory. Observer G. R. Viscome. 0.37-m f/6 reflector + CCD.
Orbital elements:
1998 HD14 PHA 0.035
Epoch 1998 Apr. 17.0 TT = JDT 2450920.5 Williams
M 87.55956 (2000.0) P Q
n 1.04085665 Peri. 260.56851 +0.09454914 -0.99547468
a 0.9642925 Node 184.04278 +0.95814498 +0.09359095
e 0.3118578 Incl. 7.76046 +0.27021965 +0.01645909
P 0.95 H 21.0 G 0.15
From 29 observations 1998 Apr. 25-27.
Ephemeris:
1998 HD14 a,e,i = 0.96, 0.31, 8 q = 0.6636
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 04 27 13 35.25 +33 17.7 0.117 1.088 132.0 43.5 18.2
1998 05 02 13 27.69 +29 48.6 0.144 1.109 132.0 42.5 18.7
1998 05 07 13 23.72 +27 01.4 0.172 1.129 131.0 42.4 19.1
1998 05 12 13 22.00 +24 38.6 0.202 1.148 129.3 42.9 19.5
1998 05 17 13 21.87 +22 30.8 0.231 1.166 127.2 43.7 19.8
1998 05 22 13 22.94 +20 32.7 0.262 1.182 124.9 44.7 20.2
1998 05 27 13 25.03 +18 41.0 0.293 1.196 122.4 45.6 20.5
1998 06 01 13 28.01 +16 53.9 0.325 1.210 119.9 46.6 20.7
1998 06 06 13 31.76 +15 10.5 0.358 1.222 117.4 47.5 21.0
1998 06 11 13 36.15 +13 30.0 0.391 1.232 114.9 48.3 21.2
1998 06 16 13 41.10 +11 52.1 0.424 1.241 112.5 49.1 21.4
1998 06 21 13 46.58 +10 16.2 0.457 1.249 110.0 49.9 21.6
1998 06 26 13 52.54 +08 42.1 0.490 1.255 107.6 50.6 21.8
1998 07 01 13 58.96 +07 09.7 0.523 1.260 105.2 51.2 22.0
1998 07 06 14 05.80 +05 38.9 0.556 1.263 102.9 51.7 22.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-H28
Read MPEC 1998-H27
Read MPEC 1998-H29
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